fzus53 kapx 210550
nshapx
expires:202604211845;;727118

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lhz346-211845-
st ignace to false detour channel-
150 am edt tue apr 21 2026

.today...south wind 10 to 15 knots becoming northwest 5 to
10 knots early in the evening. mostly clear. waves 2 to 4 feet
subsiding to 2 feet or less in the afternoon. 
.tonight...north wind 5 to 10 knots. mostly clear. waves 2 feet
or less. 
.wednesday...southeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...southeast wind 10 to 15 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727119

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lhz347-211845-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
150 am edt tue apr 21 2026

.today...south wind 10 to 15 knots becoming southwest 5 to
10 knots in the late morning, then becoming north in the
afternoon. mostly sunny early in the morning then becoming sunny.
waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727120

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lhz348-211845-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
150 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

.today...south wind 10 to 20 knots, gusts near 25 knots early, 
becoming northeast 5 to 10 knots early in the evening. mostly 
cloudy early in the morning then becoming mostly sunny. waves 3 to
5 feet subsiding to 2 to 4 feet in the afternoon. 
.tonight...north wind 5 to 10 knots. mostly clear. waves 2 feet
or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...southeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727121

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lhz349-211845-
sturgeon pt to alabaster mi-
150 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

.today...south wind 10 to 20 knots, gusts near 25 knots early, 
decreasing to 5 to 10 knots early in the evening. mostly cloudy 
early in the morning then becoming mostly sunny. waves 2 to 4 feet
subsiding to 2 to 3 feet in the afternoon. 
.tonight...north wind 5 to 10 knots. mostly clear. waves 2 feet
or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727111

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lmz341-211845-
seul choix point to 5nm west of mackinac bridge-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...southwest wind 10 to 20 knots, gusts near 25 knots early, 
becoming 10 to 15 knots in the morning, then becoming northwest 5 
to 10 knots early in the evening. mostly clear. waves 4 to 6 feet 
subsiding to 2 to 3 feet in the afternoon. 
.tonight...light winds. mostly clear. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...east wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727112

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lmz342-211845-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...southwest wind 10 to 20 knots, gusts near 25 knots early, 
becoming west 5 to 10 knots in the afternoon. mostly clear. waves 
2 to 4 feet subsiding to 2 feet or less in the afternoon. 
.tonight...light winds. mostly clear. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...east wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727114

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lmz344-211845-
sleeping bear point to grand traverse light mi-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...south wind 10 to 15 knots gusts to 25 knots early in the
morning becoming southwest, then becoming west 5 to 10 knots in 
the afternoon becoming variable 10 knots or less. mostly sunny 
early in the morning then becoming sunny. waves 2 to 3 feet 
subsiding to 2 feet or less in the afternoon. 
.tonight...light winds. mostly clear. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727115

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lmz345-211845-
point betsie to sleeping bear point mi-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...south wind 10 to 20 knots, gusts near 25 knots early, 
becoming southwest 5 to 10 knots in the afternoon, then becoming 
variable 10 knots or less early in the evening. mostly sunny early
in the morning then becoming sunny. waves 2 to 4 feet subsiding 
to 2 to 3 feet in the afternoon. 
.tonight...light winds. mostly clear. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727116

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lmz346-211845-
manistee to point betsie mi-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...south wind 10 to 20 knots, gusts near 25 knots early, 
becoming southwest 5 to 10 knots in the afternoon, then becoming 
variable 10 knots or less early in the evening. partly cloudy 
early in the morning then clearing. waves 3 to 5 feet subsiding to
2 to 3 feet in the afternoon. 
.tonight...northeast wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727109

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lsz321-211845-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...south wind 10 to 15 knots, gusts near 25 knots early, 
becoming northwest 5 to 10 knots in the afternoon. mostly cloudy 
early in the morning then becoming sunny. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 10 to 15 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727110

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lsz322-211845-
st. marys river point iroquois to e. potagannissing bay-
150 am edt tue apr 21 2026

.today...south wind 10 to 15 knots becoming northwest 5 to
10 knots in the afternoon. mostly cloudy early in the morning
then clearing. 
.tonight...northwest wind 5 to 10 knots. mostly clear. 
.wednesday...light winds. sunny.
.wednesday night...southeast wind 5 to 10 knots. partly cloudy. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727117

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lhz345-211845-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...southwest wind 10 to 15 knots, gusts near 25 knots early, 
becoming west in the afternoon. mostly clear. waves 2 feet or 
less. 
.tonight...north wind 5 to 10 knots. mostly clear. waves 2 feet
or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...east wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 210550
nshapx
expires:202604211845;;727113

nearshore marine forecast
national weather service gaylord mi
150 am edt tue apr 21 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.


lmz323-211845-
grand traverse bay south of a line grand traverse light to
norwood mi-
150 am edt tue apr 21 2026

...small craft advisory in effect until 11 am edt this morning...

.today...south wind 10 to 15 knots, gusts near 25 knots early, 
becoming southwest in the morning, then becoming northwest 5 to 10
knots in the afternoon. partly cloudy early in the morning then 
clearing. waves 2 to 3 feet. 
.tonight...light winds. mostly clear. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...southeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734797

nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 21 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.


lez040-041-211500-
buffalo to ripley along lake erie-
404 am edt tue apr 21 2026

.today...south winds 5 to 15 knots. partly to mostly sunny. waves
1 foot or less. 
.tonight...south winds 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. a chance of showers. waves 1 to
3 feet. 
.wednesday...west winds less than 10 knots. becoming mostly
sunny. waves 1 foot or less. 
.wednesday night...light and variable winds. mainly clear in the
evening, then becoming partly cloudy. waves 1 foot or less. 
.thursday...light and variable winds. partly cloudy. waves 1 foot
or less. 
.friday...northeast winds 10 knots or less becoming east. showers
likely friday night. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming east.
showers likely. waves 1 foot or less. 

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734795

nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 21 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.


lez020-211500-
upper niagara river and buffalo harbor-
404 am edt tue apr 21 2026

.today...south winds 5 to 10 knots. partly sunny. 
.tonight...south winds 5 to 15 knots becoming southwest. a chance
of showers. 
.wednesday...light and variable winds. mostly sunny. 
.wednesday night...light and variable winds. mainly clear in the
evening, then becoming partly cloudy. 
.thursday...light and variable winds. partly cloudy. 
.friday...northeast winds 10 knots or less becoming east. a
chance of showers friday night. 
.saturday...northeast winds 5 to 10 knots. showers likely. 

the water temperature off buffalo is 44 degrees.

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734800

nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 21 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.


loz044-211500-
sodus bay to mexico bay along lake ontario-
404 am edt tue apr 21 2026

.today...south winds 5 to 10 knots becoming southeast. partly
sunny this morning, then becoming mostly cloudy. waves 2 feet or
less. 
.tonight...southeast winds 10 to 15 knots. a chance of showers.
waves 2 feet or less. 
.wednesday...southeast winds 10 knots or less becoming north.
partly to mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.thursday...northwest winds 10 knots or less becoming northeast.
partly cloudy. waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots becoming east. a chance
of rain showers friday night. waves 2 feet or less. 
.saturday...east winds 10 to 15 knots becoming southeast. showers
likely. waves 2 feet or less. 

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734799

nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 21 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.


loz043-211500-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
404 am edt tue apr 21 2026

.today...south winds 5 to 15 knots becoming southeast. partly
sunny. waves 2 feet or less. 
.tonight...southeast winds 5 to 15 knots becoming south. a chance
of showers. waves 2 feet or less. 
.wednesday...west winds less than 10 knots becoming north. mostly
sunny. waves 1 foot or less. 
.wednesday night...light and variable winds. mainly clear. waves
1 foot or less. 
.thursday...northwest winds 10 knots or less becoming northeast.
partly cloudy. waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots becoming east. a chance
of showers friday night. waves 2 feet or less building to 2 to
4 feet. 
.saturday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. showers likely. waves 2 to 4 feet subsiding to 1 to
3 feet. 

the water temperature off rochester is 43 degrees.

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734798

nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 21 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.


loz042-211500-
niagara river to hamlin beach along lake ontario-
404 am edt tue apr 21 2026

.today...south winds 5 to 10 knots. partly sunny. waves 2 feet or
less. 
.tonight...southeast winds 5 to 15 knots becoming northwest. a
chance of showers. waves 2 feet or less. 
.wednesday...north winds less than 10 knots becoming northeast.
mostly sunny. waves 1 foot or less. 
.wednesday night...northeast winds less than 10 knots. mainly
clear. waves 1 foot or less. 
.thursday...north winds 10 knots or less becoming east. partly to
mostly cloudy. waves 1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet building to
2 to 4 feet. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 2 to
4 feet. waves occasionally around 6 feet. 

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734801

nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 21 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.


loz045-211500-
mexico bay to the saint lawrence river along lake ontario-
404 am edt tue apr 21 2026

.today...south winds 5 to 15 knots. partly sunny this morning,
then becoming mostly cloudy. waves 2 feet or less. 
.tonight...southeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 1 to 3 feet. 
.wednesday...southeast winds 10 knots or less becoming north.
partly to mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.thursday...north winds 10 knots or less becoming northeast.
partly cloudy. waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots becoming east. partly
cloudy. waves 1 foot or less. 
.saturday...east winds 5 to 15 knots. a chance of showers. waves
1 foot or less. 

$$

fzus51 kcle 210746
nshcle
expires:202604211415;;733902

nearshore marine forecast
national weather service cleveland oh
346 am edt tue apr 21 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>149-211415-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-conneaut oh to ripley ny-
346 am edt tue apr 21 2026

.today...south winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet. 
.tonight...south winds 10 to 15 knots becoming southwest. a
chance of showers with a slight chance of thunderstorms. waves
2 feet or less. 
.wednesday...west winds 10 knots or less becoming northwest.
mostly sunny. waves 2 feet or less. 
.wednesday night...light and variable winds. mostly clear. 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 57 degrees, off cleveland 48
degrees, and off erie 49 degrees.

$$

fzus51 kcle 210746
nshcle
expires:202604211415;;733901

nearshore marine forecast
national weather service cleveland oh
346 am edt tue apr 21 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>144-211415-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
346 am edt tue apr 21 2026

.today...south winds 15 to 20 knots becoming southwest. partly
sunny. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms in the evening, then
showers likely with a slight chance of thunderstorms overnight.
waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming northeast.
mostly sunny. waves 1 foot or less. 
.wednesday night...east winds less than 10 knots becoming
southeast. mostly clear. 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 57 degrees, off cleveland 48
degrees, and off erie 49 degrees.

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733835

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz121-211600-
chequamegon bay-bayfield to oak point wi-
243 am cdt tue apr 21 2026

.today...west wind 5 knots becoming east in the afternoon. sunny.
waves 1 foot or less. 
.tonight...east wind 5 knots becoming south in the late evening
and overnight. mostly clear. waves 1 foot or less. 
.wednesday...south wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.wednesday night...east wind 5 to 10 knots becoming southeast in
the late evening and overnight. slight chance of rain in the
evening. waves 1 foot or less. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733827

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz141-211600-
grand marais to taconite harbor mn-
243 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tonight...southeast wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain in the evening, then
chance of rain after midnight. waves 1 to 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733828

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz142-211600-
taconite harbor to silver bay harbor mn-
243 am cdt tue apr 21 2026

.today...north wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 foot or less. 
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. slight chance of rain and thunderstorms
through the night. waves 1 to 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733829

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz143-211600-
silver bay harbor to two harbors mn-
243 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming northeast late in the
morning, then becoming south in the afternoon. sunny. waves
1 foot or less. 
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less. 
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms. waves 1 to 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733830

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz144-211600-
two harbors to duluth mn-
243 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming northeast late in the
morning, then becoming southeast in the afternoon. sunny. waves
1 foot or less. 
.tonight...northeast wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...east wind 10 to 15 knots. sunny. waves 1 to 2 feet. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots early in the morning. slight chance of rain in the
evening. waves 1 to 2 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733831

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz145-211600-
duluth mn to port wing wi-
243 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.tonight...east wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 to
2 feet. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots early in the morning. slight chance of rain in the
evening. waves 1 to 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733836

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz148-211600-
oak point to saxon harbor wi-
243 am cdt tue apr 21 2026

.today...west wind 5 knots becoming east late in the afternoon.
sunny. waves 1 foot or less. 
.tonight...southeast wind 5 knots becoming south early in the
morning. mostly clear. waves 1 foot or less. 
.wednesday...south wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.wednesday night...east wind 5 to 10 knots becoming southeast
with gusts to around 20 knots in the late evening and overnight.
slight chance of rain. waves 1 to 2 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733833

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz147-211600-
sand island to bayfield wi-
243 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming southeast late in the
afternoon. sunny. waves 1 foot or less. 
.tonight...southeast wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 
.wednesday night...east wind 10 to 15 knots. slight chance of
rain. waves 1 to 2 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733832

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz146-211600-
port wing to sand island wi-
243 am cdt tue apr 21 2026

.today...west wind 5 knots becoming north late in the morning,
then becoming southeast in the afternoon. sunny. waves 1 foot or
less. 
.tonight...east wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less. 
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms. waves 1 to 2 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733826

nearshore marine forecast
national weather service duluth mn
243 am cdt tue apr 21 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.


lsz140-211600-
grand portage to grand marais mn-
243 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tonight...southwest wind 5 to 10 knots becoming northwest late
in the evening, then becoming northeast after midnight. mostly
clear. waves 1 foot or less. 
.wednesday...northeast wind 5 knots becoming east in the late
morning and afternoon. sunny. waves 1 foot or less. 
.wednesday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain in the evening, then
chance of rain after midnight. waves 1 to 3 feet building to 2 to
4 feet after midnight. 

$$

fzus53 kdtx 210727
nshdtx
expires:202604211530;;733261

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
327 am edt tue apr 21 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.


lhz422-211530-
inner saginaw bay sw of point au gres to bay port mi-
327 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...south winds 20 to 25 knots becoming southwest 10 to
15 knots. partly cloudy in the morning then clearing. a chance of
sprinkles in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tonight...west winds 10 to 15 knots becoming north 5 to 10 knots
in the late evening and overnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 
.wednesday night...east 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 210727
nshdtx
expires:202604211530;;733266

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
327 am edt tue apr 21 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.


lez444-211530-
michigan waters of lake erie from detroit river to north cape mi-
327 am edt tue apr 21 2026

.today...south winds 15 to 20 knots. partly cloudy. a chance of
sprinkles in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.tonight...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and overnight. mostly cloudy with a
chance of showers and thunderstorms until early morning, then
partly cloudy with a slight chance of showers after midnight.
waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots until late afternoon
becoming light and variable. partly cloudy early in the morning
then clearing. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots. mostly clear.
waves 2 feet or less. 

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

the water temperature at belle isle is 48 degrees.

$$

fzus53 kdtx 210727
nshdtx
expires:202604211530;;733262

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
327 am edt tue apr 21 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.


lhz421-211530-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
327 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...south winds 20 to 25 knots becoming southwest 10 to
15 knots. partly cloudy in the morning then clearing. a chance of
sprinkles in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.tonight...southwest winds 10 to 15 knots veering to the north in
the late evening and overnight. mostly clear. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. sunny. waves 2 feet
or less. 
.wednesday night...east 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 210727
nshdtx
expires:202604211530;;733263

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
327 am edt tue apr 21 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.


lhz441-211530-
port austin to harbor beach mi-
327 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...south winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon. mostly cloudy in the morning then clearing. a
chance of sprinkles in the morning. waves 3 to 5 feet subsiding
to 2 to 4 feet late in the afternoon. waves occasionally around
7 feet. 
.tonight...south winds 5 to 10 knots backing to the north in the
late evening and overnight. mostly clear. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...east winds 5 to 10 knots until early morning
becoming light and variable. clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 210727
nshdtx
expires:202604211530;;733264

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
327 am edt tue apr 21 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.


lhz442-211530-
harbor beach to port sanilac mi-
327 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...south winds 15 to 20 knots diminishing to 10 to 15 knots
late in the afternoon. mostly cloudy in the morning becoming
mostly sunny. a chance of sprinkles in the morning. waves 3 to
5 feet subsiding to 2 to 4 feet late in the afternoon. waves
occasionally around 7 feet. 
.tonight...south winds 5 to 10 knots veering to the north in the
late evening and overnight. mostly clear. a slight chance of
showers early in the evening. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable. clear. waves 2 feet or less.

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

$$

fzus53 kdtx 210727
nshdtx
expires:202604211530;;733265

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
327 am edt tue apr 21 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.


lhz443-211530-
port sanilac to port huron mi-
327 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.today...south winds 15 to 20 knots diminishing to 10 to 15 knots
late in the afternoon. mostly cloudy with a chance of sprinkles
in the morning, then mostly sunny with a slight chance of showers
in the afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet late
in the afternoon. waves occasionally around 7 feet. 
.tonight...southwest winds 5 to 10 knots veering to the northwest
in the late evening and overnight. partly cloudy. a slight chance
of showers until early morning. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots until early
morning becoming light and variable. clear. waves 2 feet or less.

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

$$

fzus53 kgrb 210624
nshgrb
expires:202604211000;;728784

nearshore marine forecast
national weather service green bay wi
124 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-211000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
124 am cdt tue apr 21 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

.rest of the night...s wind 10 to 20 kts. waves 4 to 7 ft. partly
cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 3 to 5 ft. mostly sunny. 
.tuesday night...ne wind 10 to 15 kts. waves 1 to 3 ft. clear.
.wednesday...ne wind 5 to 10 kts veering e early in the
afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 210624
nshgrb
expires:202604211000;;728782

nearshore marine forecast
national weather service green bay wi
124 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-211000-
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-
124 am cdt tue apr 21 2026

.rest of the night...s wind 10 to 15 kts. waves 1 to 3 ft. partly
cloudy. 
.tuesday...sw wind 5 to 10 kts backing e early in the afternoon.
waves 2 ft or less. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 2 ft or less. clear.
.wednesday...e wind 5 to 10 kts veering se early in the
afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrb 210624
nshgrb
expires:202604211000;;728783

nearshore marine forecast
national weather service green bay wi
124 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz541-211000-
rock island passage to sturgeon bay wi-
124 am cdt tue apr 21 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

.rest of the night...s wind 15 to 25 kts. waves 4 to 7 ft. partly
cloudy. 
.tuesday...s wind 10 to 15 kts backing se 5 to 10 kts early in
the afternoon. waves 4 to 7 ft subsiding to 3 to 5 ft in the
afternoon. sunny.
.tuesday night...ne wind 5 to 10 kts. waves 2 to 4 ft subsiding
to 1 to 3 ft after midnight. clear.
.wednesday...ne wind 5 to 10 kts veering e in the late morning
and afternoon. waves 2 ft or less. sunny. 

$$

fzus53 kgrr 210753
nshgrr
expires:202604210900;;734082

nearshore marine forecast
national weather service grand rapids mi
353 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-210900-
st joseph to south haven mi-
353 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

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

$$

fzus53 kgrr 210753
nshgrr
expires:202604210900;;734081

nearshore marine forecast
national weather service grand rapids mi
353 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-210900-
south haven to holland mi-
353 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

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

$$

fzus53 kgrr 210753
nshgrr
expires:202604210900;;734080

nearshore marine forecast
national weather service grand rapids mi
353 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-210900-
holland to grand haven mi-
353 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

.rest of tonight...south winds 20 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.tuesday...south winds 15 to 25 knots. mostly sunny with a chance of
rain showers. waves 4 to 6 feet. 
.tuesday night...west winds 10 to 15 knots veering north 5 to
10 knots in the late evening and early morning, then veering
northeast after midnight. partly cloudy. waves 2 to 4 feet subsiding
to 1 to 2 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing west early in the
afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...south winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday...south winds 15 to 20 knots. mostly cloudy with rain
showers likely. waves 2 to 4 feet. 
.saturday...north winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 210753
nshgrr
expires:202604210900;;734079

nearshore marine forecast
national weather service grand rapids mi
353 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210900-
grand haven to whitehall mi-
353 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

.rest of tonight...south winds around 25 knots. partly cloudy. waves
3 to 5 feet. 
.tuesday...south winds to 30 knots decreasing to 15 to 20 knots
early in the afternoon. mostly sunny with a slight chance of rain
showers. waves 4 to 6 feet. 
.tuesday night...west winds 5 to 15 knots veering northeast in the
late evening and overnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves 1 foot or less. 
.wednesday night...north winds 5 to 15 knots veering southeast in
the late evening and overnight. mostly clear. waves around 1 foot. 
.thursday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 3 to 5 feet. 
.saturday...north winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet.

$$

fzus53 kgrr 210753
nshgrr
expires:202604210900;;734078

nearshore marine forecast
national weather service grand rapids mi
353 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210900-
whitehall to pentwater mi-
353 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

.rest of tonight...south winds 20 to 25 knots. mostly cloudy. waves
3 to 5 feet. 
.tuesday...south winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.tuesday night...northwest winds 5 to 15 knots veering northeast in
the late evening and overnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves around 1 foot. 
.wednesday night...northeast winds 5 to 15 knots veering southeast
in the late evening and overnight. mostly clear. waves around
1 foot. 
.thursday...south winds 15 to 20 knots. mostly sunny. waves 1 to
3 feet.
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 3 to 5 feet. 
.saturday...north winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 210753
nshgrr
expires:202604210900;;734077

nearshore marine forecast
national weather service grand rapids mi
353 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210900-
pentwater to manistee mi-
353 am edt tue apr 21 2026

...small craft advisory in effect through this afternoon...

.rest of tonight...south winds 15 to 25 knots. mostly cloudy. waves
3 to 5 feet. 
.tuesday...south winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.tuesday night...northwest winds 5 to 10 knots veering northeast in
the late evening and overnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...northeast winds 5 to 10 knots backing north early in
the afternoon. sunny. waves around 1 foot. 
.wednesday night...northeast winds 5 to 15 knots veering southeast
in the late evening and overnight. mostly clear. waves around
1 foot. 
.thursday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet early in the afternoon. 
.friday...south winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 2 to 4 feet. 
.saturday...north winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.

$$

fzus53 kiwx 210741
nshiwx
expires:202604211415;;733765

nearshore marine forecast
national weather service northern indiana
341 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-211415-
michigan city in to new buffalo mi-
341 am edt tue apr 21 2026

...small craft advisory in effect from 10 am edt this morning
through this evening...

.today...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. a chance of showers with a slight
chance of thunderstorms late. waves 1 to 2 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms in the evening, then a slight chance
of showers overnight. waves 2 feet or less. 
.wednesday...northeast winds less than 10 knots. patchy fog in
the morning. waves 1 foot or less. 
.wednesday night...northeast winds 10 knots or less becoming
south. partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 210741
nshiwx
expires:202604211415;;733766

nearshore marine forecast
national weather service northern indiana
341 am edt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-211415-
new buffalo mi to st joseph mi-
341 am edt tue apr 21 2026

...small craft advisory in effect from 10 am edt this morning
through this evening...

.today...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. a chance of showers with a slight
chance of thunderstorms late. waves 1 to 3 feet. 
.tonight...southwest winds 10 knots or less becoming north. a
chance of showers and thunderstorms in the evening. waves 2 feet
or less. 
.wednesday...northeast winds less than 10 knots becoming
northwest. patchy fog in the morning. waves 1 foot or less. 
.wednesday night...northeast winds 10 knots or less becoming
south. partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 210740
nshlot
expires:202604211515;;733762

nearshore marine forecast
national weather service chicago/romeoville il
240 am cdt tue apr 21 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.


lmz740-211515-
winthrop harbor to wilmette harbor il-
240 am cdt tue apr 21 2026

.today...south winds 15 to 25 kt becoming southwest in the
afternoon. chance of showers and thunderstorms in the afternoon. 
waves 2 to 4 ft.
.tonight...west winds 10 to 15 kt becoming north overnight.
patchy fog in the evening, then areas of fog overnight. waves
1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. areas of fog in the morning, then patchy fog in the
afternoon. waves 1 to 2 ft. 
.wednesday night...southeast winds around 10 kt becoming south
overnight. partly cloudy. waves 1 to 2 ft.  

$$

fzus53 klot 210740
nshlot
expires:202604211515;;733764

nearshore marine forecast
national weather service chicago/romeoville il
240 am cdt tue apr 21 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>745-211515-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
240 am cdt tue apr 21 2026

...small craft advisory in effect from 9 am cdt this morning
through this evening...

.today...south winds 15 to 25 kt becoming southwest and increasing
to 20 to 25 kt. chance of showers and thunderstorms in the 
afternoon. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 20 kt becoming northwest 
overnight. chance of showers and thunderstorms in the evening. 
areas of fog overnight. waves 1 to 3 ft subsiding to around 1 ft.
.wednesday...north winds around 10 kt. areas of fog in the
morning. waves around 1 ft. 
.wednesday night...east winds around 10 kt becoming south
overnight. partly cloudy. waves around 1 ft.  

$$

fzus53 klot 210740
nshlot
expires:202604211515;;733763

nearshore marine forecast
national weather service chicago/romeoville il
240 am cdt tue apr 21 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.


lmz741-742-211515-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
240 am cdt tue apr 21 2026

...small craft advisory in effect from 9 am cdt this morning
through this afternoon...

.today...south winds 15 to 20 kt becoming southwest and increasing 
to 20 to 25 kt, then diminishing to 15 to 20 kt late in the 
afternoon. chance of showers and thunderstorms in the afternoon. 
waves 1 to 3 ft. 
.tonight...southwest winds 10 to 15 kt becoming northwest
overnight. slight chance of showers and thunderstorms in the
evening. patchy fog in the evening, then areas of fog overnight.
waves 1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. areas of fog in the morning, then patchy fog in the
afternoon. waves 1 to 2 ft. 
.wednesday night...southeast winds around 10 kt becoming south
overnight. mostly cloudy in the evening, then becoming partly
cloudy. waves 1 to 2 ft.  

$$

fzus53 klot 210237
nshlot
expires:202604210915;;721341

nearshore marine forecast
national weather service chicago/romeoville il
937 pm cdt mon apr 20 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>742-210915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
937 pm cdt mon apr 20 2026

.rest of tonight...south winds 10 to 20 kt increasing to 15 to 
25 kt. partly cloudy. waves 2 to 4 ft.
.tuesday...southwest winds 15 to 25 kt. chance of showers and 
thunderstorms in the afternoon. waves 2 to 4 ft subsiding to 1 
to 3 ft.
.tuesday night...west winds 10 to 15 kt becoming north overnight.
slight chance of showers and thunderstorms in the evening. waves
1 to 2 ft. 
.wednesday...north winds around 10 kt becoming northeast in the
afternoon. partly cloudy. waves 1 to 2 ft.  

$$

fzus53 kmkx 210810
nshmkx
expires:202604212100;;735576

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-212100-
sheboygan to port washington wi-
310 am cdt tue apr 21 2026

...small craft advisory in effect until 7 am cdt this morning...

.early this morning...south wind 15 to 20 knots. partly cloudy.
waves 3 to 4 feet. 
.today...south wind 10 to 15 knots with gusts to around 20 knots
veering southwest late in the morning, then backing south early
in the afternoon becoming southeast 5 to 10 knots late in the
afternoon. scattered sprinkles late in the morning. waves 3 to
4 feet. 
.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then rising to 10 to 15 knots after midnight easing to
5 to 10 knots early in the morning. mostly clear. waves 1 to
2 feet. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves 1 to 2 feet. 
.wednesday night...southeast wind 5 to 10 knots veering south
after midnight, then rising to 10 to 15 knots early in the
morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 210810
nshmkx
expires:202604212100;;735577

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-212100-
port washington to north point light wi-
310 am cdt tue apr 21 2026

.early this morning...south wind 10 to 15 knots rising to 15 to
20 knots early in the morning. partly cloudy. waves 2 to 4 feet. 
.today...south wind 10 to 15 knots with gusts to around 20 knots
veering southwest in the late morning and early afternoon, then
backing south late in the afternoon. scattered sprinkles early in
the afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon. 
.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then becoming north 5 to 10 knots after midnight. mostly
clear. 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 south
after midnight. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 210810
nshmkx
expires:202604212100;;735578

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-212100-
north point light to wind point wi-
310 am cdt tue apr 21 2026

.early this morning...south wind 15 to 20 knots. mostly cloudy.
waves 2 to 4 feet. 
.today...southwest wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then becoming southwest 10 to 15 knots in
the afternoon. scattered showers early in the afternoon. waves
2 to 4 feet subsiding to 1 to 2 feet in the afternoon. 
.tonight...west wind 5 to 10 knots veering north early in the
morning. partly cloudy. 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 south
early in the morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 210810
nshmkx
expires:202604212100;;735579

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue apr 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-212100-
wind point wi to winthrop harbor il-
310 am cdt tue apr 21 2026

.early this morning...south wind 15 to 20 knots. mostly cloudy.
waves 2 to 4 feet. 
.today...southwest wind 15 to 20 knots easing to 10 to 15 knots
with gusts to around 20 knots late in the morning, then becoming
southwest 10 to 15 knots with gusts to around 20 knots early in
the afternoon becoming southwest 10 to 15 knots late in the
afternoon. isolated showers early in the afternoon. scattered
sprinkles late in the afternoon. waves 2 to 4 feet subsiding to
1 to 2 feet in the afternoon. 
.tonight...southwest wind 5 to 10 knots veering north early in
the morning. patchy fog after midnight. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. patchy fog in the morning. waves around 1 foot. 
.wednesday night...southeast wind 5 to 10 knots veering south
early in the morning. partly cloudy. waves around 1 foot. 

$$