fzus51 kcle 180140
nshcle
expires:202608180815;;910125

nearshore marine forecast
national weather service cleveland oh
940 pm edt mon aug 17 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>144-180815-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
940 pm edt mon aug 17 2026

.overnight...northeast winds 10 knots or less becoming
west. partly cloudy. waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southwest. sunny.
waves 1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots. a chance of
showers overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers. waves 2 feet or less. 

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 180200
nshdtx
expires:202608181000;;910640

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 pm edt mon aug 17 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.


lez444-181000-
michigan waters of lake erie from detroit river to north cape mi-
1000 pm edt mon aug 17 2026

.tonight...east winds 5 to 10 knots until early morning becoming
light and variable. mostly clear. waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots becoming southwest 10 to
15 knots early in the afternoon. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy. a
chance of showers 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 early in the morning. a chance of showers early
in the afternoon. 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 180200
nshdtx
expires:202608181000;;910635

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 pm edt mon aug 17 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.


lhz422-181000-
inner saginaw bay sw of point au gres to bay port mi-
1000 pm edt mon aug 17 2026

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

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

$$

fzus53 kdtx 180200
nshdtx
expires:202608181000;;910638

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 pm edt mon aug 17 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.


lhz442-181000-
harbor beach to port sanilac mi-
1000 pm edt mon aug 17 2026

.tonight...northeast winds 5 to 10 knots in the evening becoming
light and variable, then becoming southwest 5 to 10 knots early
in the morning. mostly clear. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less. 
.tuesday night...west winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and early morning, then becoming
northwest 5 to 10 knots after midnight. mostly cloudy. a chance
of showers early in the evening. a chance of thunderstorms until
early morning. showers likely in the late evening and overnight.
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 chance of showers early in the morning.
waves 1 to 3 feet. 

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

$$

fzus53 kdtx 180200
nshdtx
expires:202608181000;;910639

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 pm edt mon aug 17 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.


lhz443-181000-
port sanilac to port huron mi-
1000 pm edt mon aug 17 2026

.tonight...northeast winds 10 to 15 knots diminishing to 5 to
10 knots this evening, then becoming light and variable after
midnight becoming southwest 5 to 10 knots early in the morning.
clear. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy. a
chance of showers until early morning. a chance of thunderstorms
in the late evening and early morning, then showers likely after
midnight. waves 2 feet or less. 
.wednesday...north winds 10 to 15 knots. partly cloudy with a
chance of showers early in the morning, then mostly sunny in the
late morning and afternoon. waves 2 feet or less. 

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

$$

fzus53 kgrr 180136
nshgrr
expires:202608180800;;909964

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
936 pm edt mon aug 17 2026

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

$$

fzus53 kgrr 180136
nshgrr
expires:202608180800;;909963

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
936 pm edt mon aug 17 2026

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

$$

fzus53 kgrr 180136
nshgrr
expires:202608180800;;909968

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
936 pm edt mon aug 17 2026

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

$$

fzus53 kgrr 180136
nshgrr
expires:202608180800;;909967

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
936 pm edt mon aug 17 2026

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

$$

fzus53 kgrr 180136
nshgrr
expires:202608180800;;909966

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
936 pm edt mon aug 17 2026

.through early evening...northwest winds 15 to 20 knots. sunny.
waves 1 to 2 feet. 
.tonight...northwest winds 10 to 15 knots backing southwest after
midnight. mostly clear. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots. mostly sunny with a
chance of rain showers. waves 2 to 4 feet. 
.tuesday night...southwest winds 15 to 20 knots veering northwest
10 to 15 knots after midnight. partly cloudy with a chance of
showers and thunderstorms. waves 2 to 4 feet. 
.wednesday...north winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.wednesday night...north winds 5 to 15 knots veering northeast after
midnight. mostly clear. waves 1 to 2 feet. 
.thursday...east winds 5 to 10 knots backing northeast in the late
morning and early afternoon, then backing west 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...west winds around 20 knots. partly sunny with a chance
of rain showers. waves 3 to 5 feet. 

$$

fzus53 kgrr 180136
nshgrr
expires:202608180800;;909965

nearshore marine forecast
national weather service grand rapids mi
936 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
936 pm edt mon aug 17 2026

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

$$

fzus53 kiwx 180143
nshiwx
expires:202608180815;;910214

nearshore marine forecast
national weather service northern indiana
943 pm edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-180815-
new buffalo mi to st joseph mi-
943 pm edt mon aug 17 2026

.overnight...northwest winds 10 knots or less becoming
west 5 to 10 knots. mostly clear. waves around 1 foot. 
.tuesday...west winds 5 to 10 knots becoming southwest. sunny in
the morning, then becoming partly sunny. waves 1 to 2 feet. 
.tuesday night...southwest winds around 10 knots becoming west.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.wednesday...northwest winds 5 to 10 knots becoming north. a
chance of showers in the morning. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

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

$$