fzus53 kapx 181837
nshapx
expires:202608190245;;949865

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-190245-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...west wind 5 to 15 knots becoming 10 to
15 knots early in the evening. scattered thunderstorms and a
chance of showers. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949864

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-190245-
manistee to point betsie mi-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest wind 10 to 15 knots. showers
likely and scattered thunderstorms. waves 2 to 3 feet. 
.tonight...north wind 10 to 15 knots. scattered thunderstorms and
a chance of showers. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949863

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-345-190245-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest wind 10 to 15 knots. showers
likely and scattered thunderstorms. waves 2 to 3 feet. 
.tonight...north wind 5 to 10 knots. scattered thunderstorms and
a chance of showers. waves 2 feet or less. 
.wednesday...west wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949861

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-190245-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...northwest wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. chance of showers and
isolated thunderstorms. waves 2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...east wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949860

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-190245-
seul choix point to 5nm west of mackinac bridge-
237 pm edt tue aug 18 2026

.through early evening...northwest wind 10 to 15 knots. chance of
showers and isolated thunderstorms. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. slight chance of
showers. waves 2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...northeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.thursday...southwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949862

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-190245-
grand traverse bay south of a line grand traverse light to
norwood mi-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...west wind 10 to 15 knots. showers likely
and scattered thunderstorms. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. showers likely and
scattered thunderstorms. waves 2 feet or less. 
.wednesday...northwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...west wind 5 to 10 knots. sunny. waves 2 feet or less.

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949869

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-190245-
sturgeon pt to alabaster mi-
237 pm edt tue aug 18 2026

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. showers likely and
scattered thunderstorms. waves 2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...southeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949868

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-190245-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
237 pm edt tue aug 18 2026

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. chance of showers and
isolated thunderstorms. waves 2 feet or less. 
.wednesday...northwest wind 10 to 15 knots. sunny. waves 2 feet
or less. 
.wednesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.thursday...south wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949867

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-190245-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
237 pm edt tue aug 18 2026

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 feet or less. 
.tonight...northwest wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 
.wednesday...northwest wind 10 to 15 knots. sunny. waves 2 feet
or less. 
.wednesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.thursday...south wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949866

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-190245-
st ignace to false detour channel-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 8 pm edt this evening...

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. slight chance of
showers. waves 2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...south wind 5 to 10 knots. sunny. waves 2 feet or
less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949859

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-190245-
st. marys river point iroquois to e. potagannissing bay-
237 pm edt tue aug 18 2026

.through early evening...northwest wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. 
.tonight...northwest wind 5 to 10 knots. slight chance of
showers. 
.wednesday...northwest wind 5 to 10 knots. sunny.
.wednesday night...northwest wind 5 to 10 knots. mostly clear. 
.thursday...light winds. mostly sunny. 

winds higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949858

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-190245-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
237 pm edt tue aug 18 2026

.through early evening...northwest wind 10 to 15 knots. mostly
sunny. waves 2 to 3 feet. 
.tonight...west wind 5 to 10 knots. mostly clear. waves 2 feet or
less. 
.wednesday...northwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...light winds. mostly sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 181403
nshbuf
expires:202608182100;;938448

nearshore marine forecast
national weather service buffalo ny
1003 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz043-182100-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
1003 am edt tue aug 18 2026

.this afternoon...west winds 10 knots or less becoming northwest.
mostly sunny. waves around 1 foot. 
.tonight...west winds 10 knots or less becoming southwest. partly
cloudy. waves 1 foot or less. 
.wednesday...southwest winds 5 to 15 knots becoming west. showers
likely in the morning, then a chance of showers and thunderstorms
in the afternoon. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots becoming northwest.
partly cloudy. waves 1 to 2 feet. 
.thursday...northwest winds less than 10 knots becoming west.
mainly clear. waves 1 foot or less. 
.friday...southeast winds 10 knots or less. mainly clear, then
becoming partly cloudy. waves 1 foot or less. 
.saturday...southeast winds 5 to 10 knots becoming south. a
chance of showers during the day, then showers likely saturday
night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature off rochester is 58 degrees.

$$

fzus51 kbuf 181403
nshbuf
expires:202608182100;;938449

nearshore marine forecast
national weather service buffalo ny
1003 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz044-182100-
sodus bay to mexico bay along lake ontario-
1003 am edt tue aug 18 2026

.this afternoon...light and variable winds becoming west 5 to
10 knots. mostly sunny. waves 1 foot or less. 
.tonight...west winds 10 knots or less becoming southwest. partly
cloudy. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots becoming west. a
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots becoming northwest.
partly cloudy. waves 1 to 2 feet. 
.thursday...northwest winds 10 knots or less. mainly clear. waves
1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. mainly
clear. waves 1 foot or less. 
.saturday...southeast winds 5 to 10 knots becoming south. a
chance of showers during the day, then showers likely saturday
night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 181403
nshbuf
expires:202608182100;;938450

nearshore marine forecast
national weather service buffalo ny
1003 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz045-182100-
mexico bay to the saint lawrence river along lake ontario-
1003 am edt tue aug 18 2026

.this afternoon...light and variable winds becoming west 5 to
10 knots. mostly sunny. waves 1 foot or less. 
.tonight...southwest winds 5 to 15 knots becoming south. partly
cloudy. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots. showers likely in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. waves 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots becoming northwest.
partly cloudy. waves 1 to 3 feet. 
.thursday...northwest winds 10 knots or less becoming north.
mainly clear. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. mainly
clear. waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots. a chance of showers
during the day, then showers likely saturday night. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 181403
nshbuf
expires:202608182100;;938447

nearshore marine forecast
national weather service buffalo ny
1003 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz042-182100-
niagara river to hamlin beach along lake ontario-
1003 am edt tue aug 18 2026

.this afternoon...west winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.tonight...southwest winds 10 to 15 knots. showers likely
overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots becoming northwest. a
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet. 
.wednesday night...northwest winds 10 knots or less. partly
cloudy. waves 1 to 2 feet. 
.thursday...northwest winds less than 10 knots becoming
northeast. mainly clear. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. mainly
clear, then becoming partly cloudy. waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers during the day, then showers likely saturday
night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 181403
nshbuf
expires:202608182100;;938444

nearshore marine forecast
national weather service buffalo ny
1003 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez020-182100-
upper niagara river and buffalo harbor-
1003 am edt tue aug 18 2026

.this afternoon...west winds 10 knots or less. mostly sunny. 
.tonight...southwest winds 5 to 10 knots. showers likely
overnight. 
.wednesday...southwest winds 5 to 10 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. 
.wednesday night...west winds less than 10 knots. a chance of
showers in the evening. patchy fog overnight. 
.thursday...light and variable winds. patchy fog during the day. 
.friday...light and variable winds. mainly clear, then becoming
partly cloudy. 
.saturday...south winds 10 knots or less becoming southwest. a
chance of showers during the day, then showers likely with a
chance of thunderstorms saturday night. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 76 degrees.

$$

fzus51 kbuf 181403
nshbuf
expires:202608182100;;938446

nearshore marine forecast
national weather service buffalo ny
1003 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez040-041-182100-
buffalo to ripley along lake erie-
1003 am edt tue aug 18 2026

.this afternoon...west winds 10 knots or less. sunny. waves 1 foot
or less. 
.tonight...southwest winds 5 to 10 knots. a chance of showers
overnight. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 10 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.wednesday night...west winds 10 knots or less becoming east. a
chance of showers in the evening. waves 2 feet or less. 
.thursday...east winds less than 10 knots. becoming mainly clear.
waves 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. mainly
clear. waves 1 foot or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers during the day, then showers likely with a
chance of thunderstorms saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kcle 181342
nshcle
expires:202608182015;;937978

nearshore marine forecast
national weather service cleveland oh
942 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez148-149-182015-
geneva-on-the-lake to conneaut oh-conneaut oh to ripley ny-
942 am edt tue aug 18 2026

.this afternoon...northwest winds 10 knots or less becoming west.
sunny. waves 1 foot or less. 
.tonight...west winds 5 to 15 knots becoming southwest. a chance
of showers with a slight chance of thunderstorms overnight. waves
2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming west. showers
likely in the morning, then a chance of showers and thunderstorms
in the afternoon. waves 1 to 3 feet. 
.wednesday night...west winds 10 knots or less becoming east. a
chance of showers in the evening. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for thursday through saturday.

the water temperature off toledo is 78 degrees, off cleveland 76
degrees, and off erie 78 degrees.

$$

fzus51 kcle 181342
nshcle
expires:202608182015;;937976

nearshore marine forecast
national weather service cleveland oh
942 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez142>144-182015-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
942 am edt tue aug 18 2026

.this afternoon...west winds 10 knots or less. sunny. waves 1 foot
or less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers
with a slight chance of thunderstorms overnight. waves 2 feet or
less. 
.wednesday...west winds 5 to 15 knots becoming northwest less
than 10 knots. a chance of showers. waves 2 feet or less. 
.wednesday night...northeast winds less than 10 knots becoming
east. a chance of showers in the evening. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for thursday through saturday.

the water temperature off toledo is 78 degrees, off cleveland 76
degrees, and off erie 78 degrees.

$$

fzus51 kcle 181342
nshcle
expires:202608182015;;937977

nearshore marine forecast
national weather service cleveland oh
942 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez145>147-182015-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-
942 am edt tue aug 18 2026

.this afternoon...northwest winds 10 knots or less becoming west.
sunny. waves 1 foot or less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers
with a slight chance of thunderstorms overnight. waves 2 feet or
less. 
.wednesday...west winds 5 to 15 knots. a chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon. waves 1 to 3 feet. 
.wednesday night...north winds 10 knots or less becoming east. a
chance of showers and thunderstorms in the evening. waves 2 feet
or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for thursday through saturday.

the water temperature off toledo is 78 degrees, off cleveland 76
degrees, and off erie 78 degrees.

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951964

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-190400-
oak point to saxon harbor wi-
222 pm cdt tue aug 18 2026

.tonight...southwest wind 5 knots becoming west in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...west wind 5 knots becoming north early in the
afternoon, then becoming east late in the afternoon. sunny. waves
1 foot or less. 
.wednesday night...southeast wind 5 knots becoming south in the
late evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...south wind 5 knots becoming east in the afternoon.
slight chance of rain showers through the day. chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951963

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz121-190400-
chequamegon bay-bayfield to oak point wi-
222 pm cdt tue aug 18 2026

.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...west wind 5 knots becoming north late in the
afternoon. sunny. waves 1 foot or less. 
.wednesday night...east wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming southwest
5 knots early in the morning. partly cloudy. waves 1 foot or
less. 
.thursday...variable winds 10 knots or less becoming south
5 knots late in the morning, then becoming east in the afternoon.
slight chance of rain showers in the morning, then rain showers
likely and chance of thunderstorms in the afternoon. waves 1 foot
or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951954

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-190400-
grand portage to grand marais mn-
222 pm cdt tue aug 18 2026

...small craft advisory in effect until 7 pm cdt this evening...

.tonight...west wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet. 
.wednesday...northwest wind 5 to 10 knots becoming southwest
10 to 15 knots with gusts to around 20 knots in the late morning
and afternoon. mostly sunny. waves 1 to 2 feet. 
.wednesday night...southwest wind 5 to 10 knots becoming
northwest in the late evening and early morning, then becoming
north early in the morning. partly cloudy in the evening then
becoming mostly cloudy. waves 1 to 2 feet. 
.thursday...north wind 5 knots becoming southeast in the
afternoon. slight chance of rain showers in the afternoon. waves
1 foot or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951955

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-190400-
grand marais to taconite harbor mn-
222 pm cdt tue aug 18 2026

.tonight...west wind 5 to 10 knots with gusts to around 20 knots
becoming northwest after midnight. mostly clear. waves 1 foot or
less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots becoming north in the
late evening and early morning, then becoming variable 10 knots
or less early in the morning. partly cloudy. waves 1 foot or
less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. chance of rain showers in the
afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951956

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz142-190400-
taconite harbor to silver bay harbor mn-
222 pm cdt tue aug 18 2026

.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the afternoon. slight chance of rain showers through the day.
slight chance of thunderstorms in the afternoon. waves 1 foot or
less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951957

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz143-190400-
silver bay harbor to two harbors mn-
222 pm cdt tue aug 18 2026

.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy in the evening
then becoming mostly cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming east 5 to
10 knots in the afternoon. slight chance of rain showers in the
morning, then rain showers likely and slight chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951958

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz144-190400-
two harbors to duluth mn-
222 pm cdt tue aug 18 2026

.tonight...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 
.wednesday...west wind 5 knots becoming southwest in the late
morning and afternoon. sunny. waves 1 foot or less. 
.wednesday night...west wind 5 knots becoming north late in the
evening, then becoming variable 10 knots or less after midnight
becoming northeast 5 knots early in the morning. partly cloudy.
waves 1 foot or less. 
.thursday...east wind 5 to 10 knots. chance of rain showers in
the morning, then rain showers likely and chance of thunderstorms
in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951959

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz145-190400-
duluth mn to port wing wi-
222 pm cdt tue aug 18 2026

.tonight...northwest wind 5 to 10 knots becoming west late in the
night. mostly clear. waves 1 foot or less. 
.wednesday...west wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday night...west wind 5 knots becoming south late in the
evening, then becoming variable 10 knots or less after midnight
becoming south 5 knots early in the morning. mostly clear. waves
1 foot or less. 
.thursday...south wind 5 knots becoming east in the afternoon.
chance of rain showers in the morning, then rain showers likely
and chance of thunderstorms in the afternoon. waves 1 foot or
less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951960

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz146-190400-
port wing to sand island wi-
222 pm cdt tue aug 18 2026

.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...southwest wind 5 knots. sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the afternoon. slight chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 181922
nshdlh
expires:202608190400;;951961

nearshore marine forecast
national weather service duluth mn
222 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz147-190400-
sand island to bayfield wi-
222 pm cdt tue aug 18 2026

.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots. sunny. waves 1 foot or less. 
.wednesday night...variable winds 10 knots or less. partly
cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. slight chance of rain showers
in the morning, then rain showers likely and chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938332

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-182200-
port sanilac to port huron mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 5 to 10 knots. sunny late in the
morning becoming partly cloudy. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots becoming west 5 to
10 knots after midnight. partly cloudy with a chance of showers
and a slight chance of thunderstorms until early morning, then
partly cloudy with a chance of showers after midnight. waves
2 feet or less. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. partly cloudy early in the
morning then clearing. a slight chance of showers early in the
morning. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938333

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez444-182200-
michigan waters of lake erie from detroit river to north cape mi-
1000 am edt tue aug 18 2026

.rest of today...west winds 5 to 10 knots becoming southwest
10 to 15 knots late in the afternoon. mostly sunny. waves 2 feet
or less. 
.tonight...southwest winds 10 to 15 knots. partly cloudy early in
the evening, then mostly cloudy with a slight chance of showers
in the late evening and early morning. mostly cloudy with a
chance of showers and a slight chance of thunderstorms after
midnight. waves 2 feet or less. 
.wednesday...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. partly cloudy. a
chance of showers and a slight chance of thunderstorms early in
the morning. a chance of showers early in the afternoon. waves
2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots. mostly clear. a
chance of showers early in the evening. waves 2 feet or less. 

see lake erie open lake forecast for days 3 through 5.

the water temperature at belle isle is 76 degrees.

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938329

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-182200-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots late in the afternoon. mostly sunny late in the
morning becoming partly cloudy. a chance of thunderstorms and a
slight chance of showers in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. becoming partly
cloudy in the late evening and overnight. light showers in the
evening. a chance of thunderstorms. a chance of showers after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon, then veering to
the east early in the afternoon. mostly sunny. waves 2 feet or
less. 
.wednesday night...northeast winds 5 to 10 knots backing to the
north after midnight. mostly clear. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938328

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-182200-
inner saginaw bay sw of point au gres to bay port mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots late in the afternoon. mostly sunny late in the
morning becoming partly cloudy. a slight chance of showers and
thunderstorms in the afternoon. waves 1 to 3 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots in the late evening and overnight. light showers in the
evening. a chance of thunderstorms. light showers likely after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon, then veering to
the east early in the afternoon. partly cloudy early in the
morning then clearing. a chance of showers early in the morning.
waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots. clear. waves
2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938330

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-182200-
port austin to harbor beach mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 10 to 15 knots. mostly sunny
late in the morning, then partly cloudy with a slight chance of
showers and thunderstorms in the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots veering to the
northwest in the late evening and overnight. becoming partly
cloudy after midnight. showers in the evening. a chance of
thunderstorms. showers likely after midnight. waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. partly cloudy early
in the morning then clearing. a slight chance of showers early in
the morning. waves 1 to 3 feet. 
.wednesday night...northeast winds 5 to 10 knots backing to the
northwest after midnight. mostly clear. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 181400
nshdtx
expires:202608182200;;938331

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
issued by national weather service grand rapids mi
1000 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-182200-
harbor beach to port sanilac mi-
1000 am edt tue aug 18 2026

.rest of today...southwest winds 5 to 10 knots becoming south
10 to 15 knots late in the afternoon. mostly sunny late in the
morning, then partly cloudy with a slight chance of showers in
the afternoon. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. mostly cloudy until early morning
becoming partly cloudy. light showers likely and a chance of
thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. partly cloudy early
in the morning then clearing. a chance of showers early in the
morning. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots backing to the
northwest after midnight. mostly clear. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 181856
nshgrb
expires:202608182200;;950667

nearshore marine forecast
national weather service green bay wi
156 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-182200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
156 pm cdt tue aug 18 2026

.this afternoon...sw wind 10 to 15 kts. waves 2 ft or less. a
chance of showers and thunderstorms. 
.tonight...n wind 5 to 10 kts backing nw after midnight. waves
2 ft or less. a chance of thunderstorms and a slight chance of
showers in the evening. 
.wednesday...nw wind 5 to 10 kts backing s early in the
afternoon. waves 2 ft or less. sunny.
.wednesday night...s wind 5 to 10 kts backing e, then veering s
after midnight. waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181856
nshgrb
expires:202608182200;;950666

nearshore marine forecast
national weather service green bay wi
156 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-182200-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
156 pm cdt tue aug 18 2026

.this afternoon...sw wind 5 to 10 kts. waves 2 ft or less. a
chance of showers and thunderstorms. 
.tonight...ne wind 5 to 10 kts backing nw after midnight. waves
2 ft or less. a slight chance of showers and thunderstorms in the
evening. 
.wednesday...w wind 5 to 10 kts. waves 2 ft or less. sunny.
.wednesday night...ne wind 5 to 10 kts veering s after midnight.
waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181548
nshgrb
expires:202608182200;;941571

nearshore marine forecast
national weather service green bay wi
issued by national weather service milwaukee/sullivan wi
1047 am cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-182200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1047 am cdt tue aug 18 2026

.this afternoon...waves 2 ft or less. a chance of light rain and
thunderstorms in the afternoon. 
.tonight...waves 2 ft or less. a chance of light rain and
thunderstorms in the evening. 
.wednesday...waves 2 ft or less. mostly sunny. 
.wednesday night...waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181548
nshgrb
expires:202608182200;;941570

nearshore marine forecast
national weather service green bay wi
issued by national weather service milwaukee/sullivan wi
1047 am cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541-182200-
rock island passage to sturgeon bay wi-
1047 am cdt tue aug 18 2026

.this afternoon...waves 2 ft or less. a chance of light rain and
thunderstorms in the afternoon. 
.tonight...waves 2 ft or less. a chance of light rain and
thunderstorms in the evening. 
.wednesday...waves 2 ft or less. sunny.
.wednesday night...waves 2 ft or less. mostly clear.  

$$

fzus53 kgrr 181823
nshgrr
expires:202608190800;;947470

nearshore marine forecast
national weather service grand rapids mi
223 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-190800-
holland to grand haven mi-
223 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 20 knots veering west in the late
evening and overnight. mostly cloudy in the evening then becoming
partly cloudy. a chance of showers and thunderstorms. waves 2 to
4 feet. 
.wednesday...north winds 5 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.wednesday night...north winds 10 to 15 knots veering east 5 to
10 knots after midnight. mostly clear. waves around 1 foot. 
.thursday...east winds 5 to 10 knots veering west early in the
afternoon. sunny. waves less than 1 foot. 
.thursday night...west winds 5 to 15 knots backing south in the late
evening and overnight. partly cloudy. waves around 1 foot. 
.friday...southwest winds 10 to 20 knots. partly sunny. waves 1 to
3 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. mostly sunny. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 

$$

fzus53 kgrr 181823
nshgrr
expires:202608190800;;947467

nearshore marine forecast
national weather service grand rapids mi
223 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
223 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy with a chance of rain showers and a slight chance of
thunderstorms. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 20 knots veering north 5 to
15 knots after midnight. mostly cloudy in the evening then becoming
partly cloudy. a chance of showers and thunderstorms. waves 2 to
4 feet. 
.wednesday...north winds 5 to 15 knots. sunny. waves 1 to 2 feet. 
.wednesday night...northeast winds 5 to 10 knots veering southeast
in the late evening and overnight. mostly clear. waves 1 foot or
less. 
.thursday...south winds 5 to 15 knots veering southwest early in the
afternoon. sunny. waves 1 foot or less. 
.thursday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.friday...southwest winds 15 to 25 knots. partly sunny with a chance
of rain showers. waves 3 to 5 feet. 
.saturday...northwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 181823
nshgrr
expires:202608190800;;947472

nearshore marine forecast
national weather service grand rapids mi
223 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-190800-
st joseph to south haven mi-
223 pm edt tue aug 18 2026

.through early evening...southwest winds around 15 knots. mostly
cloudy. waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots veering west 10 to
15 knots after midnight. partly cloudy with a chance of showers and
thunderstorms. waves 2 to 4 feet. 
.wednesday...northwest winds 5 to 10 knots. partly sunny. waves 1 to
3 feet. 
.wednesday night...north winds 5 to 10 knots veering east after
midnight. partly cloudy. waves around 1 foot. 
.thursday...east winds around 5 knots backing northwest early in the
afternoon. sunny. waves 1 foot or less. 
.thursday night...northwest winds 5 to 10 knots backing south in the
late evening and overnight. mostly clear. waves less than 1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves 1 foot
or less. 
.saturday...northwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 181823
nshgrr
expires:202608190800;;947471

nearshore marine forecast
national weather service grand rapids mi
223 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-190800-
south haven to holland mi-
223 pm edt tue aug 18 2026

.through early evening...southwest winds around 15 knots. mostly
cloudy. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 20 knots veering west in the late
evening and overnight. mostly cloudy in the evening then becoming
partly cloudy. a chance of showers and thunderstorms. waves 2 to
4 feet. 
.wednesday...north winds 5 to 15 knots. partly sunny. waves 1 to
3 feet. 
.wednesday night...north winds 5 to 15 knots veering east after
midnight. partly cloudy. waves around 1 foot. 
.thursday...east winds 5 to 10 knots veering southeast in the late
morning and early afternoon, then veering west early in the
afternoon. sunny. waves less than 1 foot. 
.thursday night...west winds 5 to 10 knots backing south in the late
evening and overnight. mostly clear. waves less than 1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.saturday...northwest winds around 20 knots becoming 20 to 25 knots
early in the afternoon. mostly sunny. waves 3 to 5 feet. 
.sunday...north winds 15 to 20 knots backing northwest to 30 knots
early in the afternoon. mostly sunny. waves 2 to 4 feet building to
3 to 5 feet in the late morning and afternoon. 

$$

fzus53 kgrr 181823
nshgrr
expires:202608190800;;947468

nearshore marine forecast
national weather service grand rapids mi
223 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
223 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy with a slight chance of showers and thunderstorms. waves 2 to
4 feet. 
.tonight...southwest winds 10 to 20 knots veering northwest after
midnight. mostly cloudy in the evening then becoming partly cloudy.
a chance of showers and thunderstorms. waves 2 to 4 feet. 
.wednesday...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly sunny. waves 1 to 2 feet. 
.wednesday night...north winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves 1 foot or less. 
.thursday...southeast winds 5 to 10 knots veering southwest 10 to
15 knots in the late morning and afternoon. sunny. waves 1 foot or
less. 
.thursday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.friday...southwest winds 10 to 20 knots backing south 20 to
25 knots early in the afternoon. partly sunny with a chance of rain
showers. waves 2 to 4 feet building to 3 to 5 feet in the late
morning and afternoon. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 
.sunday...north winds 15 to 25 knots increasing to 30 knots early in
the afternoon. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 181823
nshgrr
expires:202608190800;;947469

nearshore marine forecast
national weather service grand rapids mi
223 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
223 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 20 knots veering northwest after
midnight. mostly cloudy in the evening then becoming partly cloudy.
a chance of showers and thunderstorms. waves 2 to 4 feet. 
.wednesday...north winds around 10 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.wednesday night...north winds 5 to 15 knots veering east after
midnight. mostly clear. waves around 1 foot. 
.thursday...east winds 5 to 10 knots veering southwest early in the
afternoon. sunny. waves 1 foot or less. 
.thursday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.friday...southwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 2 to 4 feet building to 3 to
5 feet in the late morning and afternoon. 

$$

fzus53 kiwx 181359
nshiwx
expires:202608182015;;938335

nearshore marine forecast
national weather service northern indiana
issued by national weather service chicago il
959 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-182015-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
959 am edt tue aug 18 2026

.this afternoon...southwest winds 10 to 15 knots. partly sunny. 
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming northwest.
rain showers likely with a chance of thunderstorms. waves 1 to 3
feet.
.wednesday...north winds 10 knots or less. a slight chance of
rain showers in the morning. waves 2 feet or less. 
.wednesday night...north winds 10 knots or less becoming east.
partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 64 degrees and at michigan
city is 64 degrees.

$$

fzus53 klot 181402
nshlot
expires:202608182115;;938398

nearshore marine forecast
national weather service chicago/romeoville il
902 am cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-182115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
902 am cdt tue aug 18 2026

.rest of today...southwest winds 10 to 15 kt increasing to 15 to 
20 kt. chance of showers and slight chance of thunderstorms in the
afternoon. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt becoming west overnight.
showers likely and a chance of thunderstorms. waves 1 to 2 ft.
.wednesday...north winds around 10 kt. mostly cloudy in the
morning, then becoming partly cloudy. waves 1 to 2 ft. 
.wednesday night...northeast winds around 10 kt becoming east.
mostly clear in the evening, then becoming partly cloudy. waves
1 to 2 ft.  

$$

fzus53 klot 181402
nshlot
expires:202608182115;;938397

nearshore marine forecast
national weather service chicago/romeoville il
902 am cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740>742-182115-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
902 am cdt tue aug 18 2026

.rest of today...southwest winds 10 to 15 kt increasing to 15 to 
20 kt. chance of showers in the morning. chance of showers and 
thunderstorms in the afternoon. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt becoming west overnight.
showers likely and a chance of thunderstorms. waves 1 to 2 ft.
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. partly cloudy in the morning then clearing. waves 1 to
2 ft. 
.wednesday night...east winds around 10 kt becoming around 5 kt.
mostly clear in the evening, then becoming partly cloudy. waves
1 to 2 ft.

$$

fzus53 kmkx 181810
nshmkx
expires:202608182200;;946706

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz646-182200-
wind point wi to winthrop harbor il-
110 pm cdt tue aug 18 2026

.rest of today...southwest wind 10 to 15 knots. gusts up to
20 knots late in the afternoon. slight chance of showers and
thunderstorms early in the afternoon, then chance of showers and
thunderstorms late in the afternoon. waves around 1 foot. 
.tonight...southwest wind 10 to 15 knots veering west late in the
evening, then becoming west 10 to 15 knots after midnight
becoming northwest 5 to 10 knots early in the morning. chance of
showers through around midnight. chance of thunderstorms through
the night. slight chance of showers after midnight. waves around
1 foot. 
.wednesday...north wind 5 to 10 knots veering northeast late in
the afternoon. mostly sunny. waves around 1 foot. 
.wednesday night...east wind 5 to 10 knots backing northeast
early in the morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 181810
nshmkx
expires:202608182200;;946705

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz645-182200-
north point light to wind point wi-
110 pm cdt tue aug 18 2026

.rest of today...southwest wind 10 to 15 knots with gusts to
around 20 knots. slight chance of showers and thunderstorms early
in the afternoon, then chance of showers and thunderstorms late
in the afternoon. waves around 1 foot. 
.tonight...southwest wind 10 to 15 knots veering west late in the
evening, then becoming west 10 to 15 knots after midnight
becoming northwest 5 to 10 knots early in the morning. chance of
showers and thunderstorms through around midnight, then slight
chance of showers and thunderstorms after midnight. waves around
1 foot. 
.wednesday...north wind 5 to 10 knots veering northeast late in
the afternoon. mostly sunny. waves around 1 foot. 
.wednesday night...east wind 5 to 10 knots veering southwest
early in the morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 181810
nshmkx
expires:202608182200;;946704

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-182200-
port washington to north point light wi-
110 pm cdt tue aug 18 2026

.rest of today...southwest wind 10 to 15 knots. slight chance of
showers and thunderstorms early in the afternoon, then chance of
showers and thunderstorms late in the afternoon. waves around
1 foot. 
.tonight...southwest wind 10 to 15 knots veering west late in the
evening, then veering northwest after midnight easing to 5 to
10 knots early in the morning. chance of showers and
thunderstorms through around midnight. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 
.wednesday night...east wind 5 to 10 knots veering southeast late
in the evening, then veering southwest after midnight becoming
west early in the morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 181810
nshmkx
expires:202608182200;;946703

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-182200-
sheboygan to port washington wi-
110 pm cdt tue aug 18 2026

.rest of today...southwest wind 10 to 15 knots. slight chance of
showers through the day. chance of thunderstorms late in the
afternoon. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots veering north early in
the morning. chance of thunderstorms and slight chance of showers
through around midnight. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 
.wednesday night...southeast wind 5 to 10 knots veering west
early in the morning. mostly clear. waves around 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940226

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-182000-
grand marais to whitefish point mi-
1101 am edt tue aug 18 2026

.rest of today...west wind 10 to 15 knots. partly cloudy. a
slight chance of showers and thunderstorms by late morning. waves
2 to 3 feet. 
.tonight...west wind 5 to 15 knots. mostly clear. waves subsiding
to 1 to 2 feet. 
.wednesday...northwest wind 10 to 15 knots. sunny. waves 1 to
2 feet. 
.wednesday night...west wind less than 10 knots backing south
after midnight. mostly clear. waves 1 to 2 feet. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940218

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-241-182000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1101 am edt tue aug 18 2026 /1001 am cdt tue aug 18 2026/

.rest of today...northwest wind less than 10 knots backing
southwest late. gusts up to 19 knots. sunny. waves 1 to 2 feet. 
.tonight...southwest wind less than 10 knots veering west by
midnight. clear. waves calm to 1 foot. 
.wednesday...west wind less than 10 knots. sunny. waves calm to
1 foot. 
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940220

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-245-182000-
eagle river to manitou island mi-
manitou island to point isabelle mi-
1101 am edt tue aug 18 2026

.rest of today...northwest wind 10 to 15 knots backing west late.
gusts up to 22 knots. mostly sunny. waves 1 to 2 feet. 
.tonight...west wind 5 to 15 knots veering northwest less than
10 knots late. mostly clear. waves 1 to 2 feet. 
.wednesday...northwest wind less than 10 knots. sunny. waves 1 to
2 feet. 
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940221

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-182000-
point isabelle to lower entrance of portage canal mi-
1101 am edt tue aug 18 2026

.rest of today...northwest wind 10 to 15 knots backing west late.
sunny. waves calm to 1 foot. 
.tonight...west wind less than 10 knots. gusts up to 18 knots.
mostly clear. waves calm to 1 foot. 
.wednesday...west wind less than 10 knots with gusts up to
18 knots. sunny. waves calm to 1 foot. 
.wednesday night...south wind less than 10 knots veering
southwest after midnight. mostly clear. waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940222

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-182000-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
1101 am edt tue aug 18 2026

.rest of today...northwest wind 10 to 15 knots with gusts up to
22 knots. sunny. waves 1 to 2 feet. 
.tonight...west wind less than 10 knots with gusts up to
18 knots. mostly clear. waves calm to 1 foot. 
.wednesday...west wind less than 10 knots veering northwest 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 
.wednesday night...southwest wind less than 10 knots. clear.
waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940223

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-182000-
huron islands to marquette mi-
1101 am edt tue aug 18 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.rest of today...northwest wind 10 to 20 knots. mostly sunny. a
slight chance of showers by late morning. waves 2 to 3 feet
subsiding to 1 to 2 feet. 
.tonight...west wind 10 to 15 knots. clear. waves 1 to 2 feet. 
.wednesday...northwest wind 10 to 15 knots veering north 5 to
15 knots in the afternoon. sunny. waves building to 1 to 2 feet. 
.wednesday night...south wind less than 10 knots veering
southwest after midnight. clear. waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940224

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-182000-
marquette to munising mi-
1101 am edt tue aug 18 2026

.rest of today...northwest wind 5 to 15 knots with gusts up to
24 knots. partly cloudy. a chance of showers and a slight chance
of thunderstorms by late morning. waves 2 to 3 feet subsiding to
1 to 2 feet. 
.tonight...west wind less than 10 knots backing southwest 10 to
15 knots by midnight, then veering west late. clear. waves 1 to
2 feet. 
.wednesday...northwest wind 10 to 15 knots veering north 5 to
15 knots in the afternoon. sunny. waves 1 to 2 feet. 
.wednesday night...southeast wind less than 10 knots veering
southwest after midnight. clear. waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940225

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-182000-
munising to grand marais mi-
1101 am edt tue aug 18 2026

.rest of today...northwest wind 5 to 15 knots with gusts up to
22 knots. partly cloudy. a slight chance of showers and
thunderstorms by late morning. waves 2 to 3 feet subsiding to
1 to 2 feet. 
.tonight...west wind less than 10 knots backing southwest 10 to
15 knots by midnight, then veering west late. clear. waves 1 to
2 feet. 
.wednesday...northwest wind 10 to 15 knots veering north less
than 10 knots in the afternoon. sunny. waves 1 to 2 feet. 
.wednesday night...variable wind less than 10 knots becoming
south less than 10 knots after midnight. mostly clear. waves calm
to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940216

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-182000-
green bay north of line from cedar river mi to rock island
passage-
1101 am edt tue aug 18 2026

.rest of today...west wind less than 10 knots veering northwest
late. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 2 feet. 
.tonight...northeast wind less than 10 knots backing west late.
partly cloudy through midnight then clearing. a slight chance of
showers through late evening. waves calm to 1 foot. 
.wednesday...northwest wind less than 10 knots backing southwest
in the afternoon. sunny. waves calm to 1 foot. 
.wednesday night...northeast wind less than 10 knots in the
evening becoming variable. clear. waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940217

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-250-182000-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
1101 am edt tue aug 18 2026

.rest of today...west wind less than 10 knots veering northwest
late. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 2 feet. 
.tonight...north wind less than 10 knots backing west late.
partly cloudy through midnight then clearing. a slight chance of
showers through late evening. waves calm to 1 foot. 
.wednesday...northwest wind less than 10 knots backing west in
the afternoon. sunny. waves calm to 1 foot. 
.wednesday night...northeast wind less than 10 knots in the
evening becoming variable. clear. waves calm to 1 foot. 

$$

fzus53 kmqt 181501
nshmqt
expires:202608182000;;940219

nearshore marine forecast
national weather service marquette mi
1100 am edt tue aug 18 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-182000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1101 am edt tue aug 18 2026

.rest of today...west wind 10 to 15 knots backing southwest late.
gusts up to 23 knots. sunny. waves 1 to 2 feet. 
.tonight...west wind 10 to 15 knots becoming 5 to 15 knots by
midnight. gusts up to 22 knots. mostly clear. waves 1 to 2 feet. 
.wednesday...west wind less than 10 knots. sunny. waves 1 to
2 feet. 
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot. 

$$