fzus51 kcle 180732
nshcle
expires:202608181415;;925182

nearshore marine forecast
national weather service cleveland oh
332 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>144-181415-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
332 am edt tue aug 18 2026

.today...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 77 degrees, off cleveland 75
degrees, and off erie 78 degrees.

$$

fzus53 kdtx 180734
nshdtx
expires:202608181545;;925242

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 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.


lez444-181545-
michigan waters of lake erie from detroit river to north cape mi-
334 am edt tue aug 18 2026

.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 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 180734
nshdtx
expires:202608181545;;925237

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 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.


lhz422-181545-
inner saginaw bay sw of point au gres to bay port mi-
334 am edt tue aug 18 2026

.today...southwest winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. mostly sunny in the morning, then
partly cloudy with 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 180734
nshdtx
expires:202608181545;;925240

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 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.


lhz442-181545-
harbor beach to port sanilac mi-
334 am edt tue aug 18 2026

.today...southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. mostly sunny 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 kdtx 180734
nshdtx
expires:202608181545;;925241

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 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.


lhz443-181545-
port sanilac to port huron mi-
334 am edt tue aug 18 2026

.today...southwest winds 5 to 10 knots. sunny 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. 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 kgrr 181013
nshgrr
expires:202608182000;;931560

nearshore marine forecast
national weather service grand rapids mi
613 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-182000-
whitehall to pentwater mi-
613 am edt tue aug 18 2026

...small craft advisory in effect from 5 pm edt this afternoon
through this evening...

.today...southwest winds 15 to 20 knots. mostly sunny in the
morning, then mostly cloudy with a chance of showers and
thunderstorms in the afternoon. waves 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots veering north 10 to
15 knots after midnight. partly cloudy with a chance of showers and
thunderstorms. waves 3 to 5 feet subsiding to 2 to 4 feet after
midnight. 
.wednesday...northeast winds 5 to 15 knots backing north in the late
morning and afternoon. sunny. waves 1 to 2 feet. 
.wednesday night...north winds 5 to 10 knots veering southeast in
the late evening and overnight. 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. 
.friday...southwest winds 15 to 25 knots. partly sunny. waves 2 to
4 feet building to 3 to 5 feet in the late morning and afternoon. 
.saturday...northwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 181013
nshgrr
expires:202608182000;;931559

nearshore marine forecast
national weather service grand rapids mi
613 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-182000-
pentwater to manistee mi-
613 am edt tue aug 18 2026

...small craft advisory in effect from 5 pm edt this afternoon
through this evening...

.today...southwest winds 10 to 20 knots. mostly sunny in the
morning, then mostly cloudy with a chance of showers and
thunderstorms in the afternoon. waves 3 to 5 feet. 
.tonight...southwest winds 10 to 20 knots veering northwest in the
late evening and early morning, then veering northeast 5 to 15 knots
after midnight. partly cloudy with a chance of showers and
thunderstorms. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.wednesday...northeast winds 5 to 15 knots backing northwest in the
late morning and afternoon. sunny. waves around 1 foot. 
.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 in the late
morning and afternoon. sunny. waves 1 foot or less. 
.friday...southwest winds 10 to 20 knots increasing to 20 to
25 knots early in the afternoon. 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. 

$$

fzus53 kgrr 181013
nshgrr
expires:202608182000;;931564

nearshore marine forecast
national weather service grand rapids mi
613 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-182000-
st joseph to south haven mi-
613 am edt tue aug 18 2026

.today...southwest winds around 15 knots. sunny in the morning then
becoming partly sunny. a slight chance of through the day. waves
1 to 2 feet. 
.tonight...southwest winds 15 to 20 knots veering northwest after
midnight. rain showers likely and a chance of thunderstorms. waves
1 to 3 feet. 
.wednesday...north winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.wednesday night...north winds 5 to 15 knots veering east around
5 knots after midnight. mostly clear. waves around 1 foot. 
.thursday...northeast winds around 5 knots backing north early in
the afternoon. sunny. waves less than 1 foot. 
.friday...southwest winds around 10 knots. mostly sunny. waves
1 foot or less. 
.saturday...west winds 15 to 20 knots veering northwest early in the
afternoon. mostly sunny with a chance of rain showers. waves 2 to
4 feet. 

$$

fzus53 kgrr 181013
nshgrr
expires:202608182000;;931563

nearshore marine forecast
national weather service grand rapids mi
613 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-182000-
south haven to holland mi-
613 am edt tue aug 18 2026

.today...southwest winds 15 to 20 knots. mostly sunny in the morning
then becoming mostly cloudy. a slight chance of through the day.
waves 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots veering northwest 10 to
15 knots after midnight. rain showers likely and a chance of
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 10 to 15 knots veering northeast 5 to
10 knots in the late evening and early morning, then veering east
after midnight. mostly clear. waves around 1 foot. 
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. sunny. waves less than 1 foot. 
.friday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.saturday...northwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 181013
nshgrr
expires:202608182000;;931562

nearshore marine forecast
national weather service grand rapids mi
613 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-182000-
holland to grand haven mi-
613 am edt tue aug 18 2026

...small craft advisory in effect from 5 pm edt this afternoon
through this evening...

.today...southwest winds 15 to 20 knots. mostly sunny in the morning
then becoming mostly cloudy. a chance of through the day. waves 2 to
4 feet. 
.tonight...southwest winds around 20 knots veering west in the late
evening and early morning, then veering north 10 to 15 knots after
midnight. rain showers likely and a chance of thunderstorms. waves
2 to 4 feet. 
.wednesday...north winds around 10 knots backing northwest early in
the afternoon. 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 south in the late
morning and early afternoon, then veering west early in the
afternoon. sunny. waves less than 1 foot. 
.friday...southwest winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 
.saturday...northwest winds around 20 knots. mostly sunny. waves
3 to 5 feet. 

$$

fzus53 kgrr 181013
nshgrr
expires:202608182000;;931561

nearshore marine forecast
national weather service grand rapids mi
613 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-182000-
grand haven to whitehall mi-
613 am edt tue aug 18 2026

...small craft advisory in effect from 5 pm edt this afternoon
through this evening...

.today...southwest winds around 20 knots. mostly sunny in the
morning, then mostly cloudy with a chance of showers and
thunderstorms in the afternoon. waves 3 to 5 feet. 
.tonight...southwest winds around 20 knots veering west in the late
evening and early morning, then veering north 10 to 15 knots after
midnight. partly cloudy with a chance of showers and thunderstorms.
waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. 
.wednesday...northeast winds around 10 knots backing northwest in
the late morning and afternoon. 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...southeast winds around 10 knots veering west early in
the afternoon. sunny. waves 1 foot or less. 
.friday...southwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.saturday...northwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kiwx 180732
nshiwx
expires:202608181415;;925186

nearshore marine forecast
national weather service northern indiana
332 am edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-181415-
new buffalo mi to st joseph mi-
332 am edt tue aug 18 2026

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

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 70 degrees and at michigan
city is 62 degrees.


$$