fzus51 kcle 181937
nshcle
expires:202608190215;;952192

nearshore marine forecast
national weather service cleveland oh
337 pm 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>144-190215-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
337 pm edt tue aug 18 2026

.tonight...southwest winds 5 to 15 knots. a slight chance of
showers after midnight. a chance of showers late. waves 2 feet or
less. 
.wednesday...west winds 5 to 15 knots becoming northwest. a
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 2 feet or less. 
.wednesday night...southeast winds 10 knots or less becoming
east. a chance of showers and thunderstorms in the evening. waves
1 foot or less. 
.thursday...east winds 5 to 10 knots becoming northeast. sunny.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for friday through sunday.

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952179

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm 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.


lez444-190345-
michigan waters of lake erie from detroit river to north cape mi-
336 pm edt tue aug 18 2026

.tonight...southwest winds 10 to 15 knots. partly cloudy in the
evening, then mostly cloudy with showers likely and a chance of
thunderstorms after midnight. waves 2 feet or less. 
.wednesday...west winds 10 to 15 knots diminishing to 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 slight chance of showers and thunderstorms early
in the afternoon. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots veering to the
northeast in the late evening and overnight. mostly clear. waves
2 feet or less. 
.thursday...east winds 5 to 10 knots. mostly sunny. 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 181936
nshdtx
expires:202608190345;;952174

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm 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.


lhz422-190345-
inner saginaw bay sw of point au gres to bay port mi-
336 pm edt tue aug 18 2026

.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots after midnight. light showers and a chance of
thunderstorms in the evening, then partly cloudy with a chance of
showers and thunderstorms 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 southeast 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...north winds 5 to 10 knots. clear. waves 2 feet
or less. 
.thursday...light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. sunny. waves 2 feet or less. 

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952177

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm 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.


lhz442-190345-
harbor beach to port sanilac mi-
336 pm edt tue aug 18 2026

.tonight...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. mostly cloudy. a chance of thunderstorms
and a slight chance of showers in the evening, then a chance of
showers and thunderstorms after midnight. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. mostly sunny. a chance of
showers early in the morning. waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots backing to the
northwest after midnight. clear. waves 2 feet or less. 
.thursday...northeast winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952178

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm 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.


lhz443-190345-
port sanilac to port huron mi-
336 pm edt tue aug 18 2026

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

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

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952182

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

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
336 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 3 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. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday...north winds 15 to 25 knots increasing to 30 knots early in
the afternoon. sunny. waves 4 to 6 feet. 

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952181

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

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
336 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 around 1 foot. 
.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 2 to 4 feet building to 3 to 5 feet in the
late morning and afternoon. 
.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 181936
nshgrr
expires:202608190800;;952186

nearshore marine forecast
national weather service grand rapids mi
336 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-
336 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 building to 3 to 5 feet in the late morning and afternoon. 
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952185

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

for waters within five nautical miles of shore on lake michigan


lmz845-190800-
south haven to holland mi-
336 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 4 to 6 feet. 

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952184

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

for waters within five nautical miles of shore on lake michigan


lmz846-190800-
holland to grand haven mi-
336 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 1 to 2 feet. 
.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 1 foot or less. 
.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 3 to 6 feet.

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952183

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

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
336 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 1 to 2 feet. 
.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 4 to 6 feet. 

$$

fzus53 kiwx 181945
nshiwx
expires:202608190345;;952393

nearshore marine forecast
national weather service northern indiana
345 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-190345-
new buffalo mi to st joseph mi-
345 pm edt tue aug 18 2026

.tonight...southwest winds 10 to 15 knots becoming west. a slight
chance of showers and thunderstorms early, then showers likely
with a chance of thunderstorms. waves 1 to 3 feet. 
.wednesday...northwest winds 5 to 10 knots becoming north. partly
sunny. waves 1 to 2 feet. 
.wednesday night...north winds 5 to 10 knots becoming light and
variable. partly cloudy. waves around 1 foot. 
.thursday...light and variable winds. sunny. 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.

$$