fzus51 kcle 201246
nshcle
expires:202608202015;;049697

nearshore marine forecast
national weather service cleveland oh
846 am edt thu aug 20 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>144-202015-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
846 am edt thu aug 20 2026

.this afternoon...east winds 5 to 15 knots becoming northeast. a
chance of showers with a slight chance of thunderstorms early,
then a slight chance of showers. a chance of waterspouts this
morning. waves 2 feet or less. 
.tonight...northeast winds 5 to 15 knots becoming east. mostly
clear. waves 2 feet or less. 
.friday...east winds 10 knots or less. sunny. waves 1 foot or
less. 
.friday night...east winds 10 knots or less becoming southwest.
mostly clear. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 78 degrees, off cleveland 75
degrees, and off erie 78 degrees.

$$

fzus53 kdtx 200734
nshdtx
expires:202608201545;;037006

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 am edt thu aug 20 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.


lhz422-201545-
inner saginaw bay sw of point au gres to bay port mi-
334 am edt thu aug 20 2026

.today...northeast winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. sunny. waves 2 feet or less. 
.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots after midnight. mostly clear. waves 2 feet or less. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly sunny until late afternoon
becoming partly cloudy. waves 2 feet or less. 
.friday night...south winds 10 to 15 knots. partly cloudy. a
chance of showers after midnight. waves 2 feet or less. 

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

$$

fzus53 kdtx 200734
nshdtx
expires:202608201545;;037009

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 am edt thu aug 20 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.


lhz442-201545-
harbor beach to port sanilac mi-
334 am edt thu aug 20 2026

.today...northeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.tonight...northeast winds 5 to 10 knots veering to the southeast
after midnight. mostly clear. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. mostly sunny. waves 2 feet or
less. 
.friday night...southeast winds 10 to 15 knots. partly cloudy.
waves 2 feet or less. 

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

$$

fzus53 kdtx 200734
nshdtx
expires:202608201545;;037010

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 am edt thu aug 20 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.


lhz443-201545-
port sanilac to port huron mi-
334 am edt thu aug 20 2026

.today...northeast winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. partly cloudy in the morning then
clearing. waves 2 feet or less. 
.tonight...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and early morning, then veering to
the southeast after midnight. mostly clear. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. sunny. waves 2 feet or
less. 
.friday night...southeast winds 10 to 15 knots. mostly clear.
waves 2 feet or less. 

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

$$

fzus53 kdtx 200734
nshdtx
expires:202608201545;;037011

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 am edt thu aug 20 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.


lez444-201545-
michigan waters of lake erie from detroit river to north cape mi-
334 am edt thu aug 20 2026

.today...northeast winds 5 to 10 knots becoming east 10 to
15 knots late in the afternoon. mostly cloudy with a chance of
showers in the morning, then mostly sunny with a slight chance of
showers in the afternoon. waves 2 feet or less. 
.tonight...east winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. clear. a slight chance of showers early in the
evening. waves 2 feet or less. 
.friday...east winds 5 to 10 knots. sunny. waves 2 feet or less. 
.friday night...southeast winds 5 to 10 knots veering to the
south after midnight. 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 75 degrees.

$$

fzus53 kgrr 201248
nshgrr
expires:202608202000;;049749

nearshore marine forecast
national weather service grand rapids mi
848 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-202000-
whitehall to pentwater mi-
848 am edt thu aug 20 2026

.today...east winds 5 to 10 knots backing northwest 10 to 15 knots
early in the afternoon. sunny. waves 1 foot or less. 
.tonight...west winds 5 to 15 knots backing southeast in the late
evening and overnight. partly cloudy. waves 1 foot or less. 
.friday...south winds 15 to 25 knots. partly sunny. waves 1 to
2 feet building to 2 to 4 feet in the late morning and afternoon. 
.friday night...south winds 10 to 20 knots veering west after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday...north winds to 30 knots. sunny. waves 4 to 6 feet. 
.monday...north winds around 10 knots backing northwest in the late
morning and afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 201248
nshgrr
expires:202608202000;;049748

nearshore marine forecast
national weather service grand rapids mi
848 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-202000-
pentwater to manistee mi-
848 am edt thu aug 20 2026

.today...southeast winds 5 to 10 knots veering southwest in the late
morning and early afternoon, then veering west early in the
afternoon. sunny. waves 1 foot or less. 
.tonight...west winds 5 to 15 knots backing southeast in the late
evening and overnight. partly cloudy. waves 1 foot or less. 
.friday...south winds 15 to 25 knots. partly sunny with a slight
chance of rain showers. waves 1 to 3 feet building to 3 to 5 feet in
the late morning and afternoon. 
.friday night...south winds 15 to 25 knots decreasing to 5 to
15 knots in the late evening and early morning, then veering west
after midnight. partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. 
.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. 
.monday...north winds 5 to 15 knots backing west early in the
afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 201248
nshgrr
expires:202608202000;;049753

nearshore marine forecast
national weather service grand rapids mi
848 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz844-202000-
st joseph to south haven mi-
848 am edt thu aug 20 2026

.today...northeast winds around 10 knots backing north early in the
afternoon. sunny. waves around 1 foot. 
.tonight...north winds 10 to 15 knots veering southeast 5 to
10 knots after midnight. mostly clear. waves around 1 foot. 
.friday...south winds around 10 knots veering southwest early in the
afternoon. mostly sunny. waves 1 foot or less. 
.friday night...southwest winds 10 to 15 knots. partly cloudy with
rain showers likely and a slight chance of thunderstorms. waves
around 1 foot. 
.saturday...west winds 15 to 20 knots veering northwest 20 to
25 knots in the late morning and afternoon. mostly sunny with rain
showers likely and a slight chance of thunderstorms. 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 4 to 6 feet. 
.monday...east winds 5 to 10 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 201248
nshgrr
expires:202608202000;;049752

nearshore marine forecast
national weather service grand rapids mi
848 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz845-202000-
south haven to holland mi-
848 am edt thu aug 20 2026

.today...northeast winds around 10 knots backing north early in the
afternoon. sunny. waves 1 foot or less. 
.tonight...north winds 5 to 15 knots veering southeast after
midnight. mostly clear. waves around 1 foot. 
.friday...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves around 1 foot. 
.friday night...southwest winds 10 to 15 knots. partly cloudy with a
chance of showers and thunderstorms. waves 1 to 2 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. 
.monday...northeast winds 5 to 10 knots backing northwest early in
the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 201248
nshgrr
expires:202608202000;;049751

nearshore marine forecast
national weather service grand rapids mi
848 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz846-202000-
holland to grand haven mi-
848 am edt thu aug 20 2026

.today...northeast winds 10 to 15 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves around 1 foot. 
.friday...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.friday night...southwest winds 10 to 15 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 4 to 6 feet. 
.monday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kgrr 201248
nshgrr
expires:202608202000;;049750

nearshore marine forecast
national weather service grand rapids mi
848 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-202000-
grand haven to whitehall mi-
848 am edt thu aug 20 2026

.today...northeast winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. sunny. waves 1 foot or less. 
.tonight...northwest winds 5 to 15 knots veering northeast in the
late evening and early morning, then veering southeast 5 to 15 knots
after midnight. partly cloudy. waves around 1 foot. 
.friday...south winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.friday night...south winds 15 to 20 knots veering southwest after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny. waves 3 to 5 feet. 
.sunday...northwest winds to 30 knots. sunny. waves 4 to 6 feet. 
.monday...northeast winds around 10 knots backing northwest early in
the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kiwx 200737
nshiwx
expires:202608201415;;037170

nearshore marine forecast
national weather service northern indiana
337 am edt thu aug 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-201415-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
337 am edt thu aug 20 2026

.today...northeast winds 10 knots or less becoming north. sunny.
waves 2 feet or less. 
.tonight...north winds 10 knots or less becoming southeast.
mostly clear. waves 1 foot or less. 
.friday...southeast winds 10 knots or less becoming southwest. a
slight chance of showers and thunderstorms in the afternoon.
waves 1 foot or less. 
.friday night...southwest winds 5 to 10 knots. a chance of
showers with a slight chance of thunderstorms. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 72 degrees and at michigan
city is 69 degrees.

$$