fzus53 kdtx 191338
nshdtx
expires:202608192145;;993204

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
938 am edt wed aug 19 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.


lez444-192145-
michigan waters of lake erie from detroit river to north cape mi-
938 am edt wed aug 19 2026

.rest of today...west winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon, then backing to the southwest
late in the afternoon. partly cloudy. a slight chance of showers
late in the morning, then a slight chance of showers and
thunderstorms in the afternoon. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots backing to the northeast
in the late evening and overnight. partly cloudy with a slight
chance of showers and thunderstorms early in the evening, then
partly cloudy with a slight chance of showers in the late evening
and overnight. waves 2 feet or less. 
.thursday...northeast winds 5 to 10 knots. 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. 
.thursday night...east winds 5 to 10 knots. 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 kdtx 191338
nshdtx
expires:202608192145;;993199

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
938 am edt wed aug 19 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.


lhz422-192145-
inner saginaw bay sw of point au gres to bay port mi-
938 am edt wed aug 19 2026

.rest of today...north winds 5 to 10 knots veering to the east
late in the afternoon. mostly sunny. waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...light and variable winds becoming east 5 to 10 knots
early in the afternoon. mostly sunny. waves 2 feet or less. 
.thursday night...southeast winds 10 to 15 knots veering to the
south after midnight. mostly clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 191338
nshdtx
expires:202608192145;;993202

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
938 am edt wed aug 19 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.


lhz442-192145-
harbor beach to port sanilac mi-
938 am edt wed aug 19 2026

.rest of today...north winds 10 to 15 knots becoming northeast
5 to 10 knots late in the afternoon. mostly sunny. waves 2 feet
or less. 
.tonight...northeast winds 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...northeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.thursday night...east winds 5 to 10 knots veering to the
southeast after midnight. mostly clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 191338
nshdtx
expires:202608192145;;993203

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
938 am edt wed aug 19 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.


lhz443-192145-
port sanilac to port huron mi-
938 am edt wed aug 19 2026

.rest of today...north winds 10 to 15 knots veering to the
northeast late in the afternoon. partly cloudy late in the
morning then clearing. waves 2 feet or less. 
.tonight...northeast winds 10 to 15 knots becoming east 5 to
10 knots in the late evening and overnight. mostly clear. waves
2 feet or less. 
.thursday...northeast winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.thursday night...east winds 5 to 10 knots veering to the
southeast after midnight. clear. waves 2 feet or less. 

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

$$

fzus53 kgrr 191358
nshgrr
expires:202608192100;;993532

nearshore marine forecast
national weather service grand rapids mi
958 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz844-192100-
st joseph to south haven mi-
958 am edt wed aug 19 2026

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

$$

fzus53 kgrr 191358
nshgrr
expires:202608192100;;993531

nearshore marine forecast
national weather service grand rapids mi
958 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz845-192100-
south haven to holland mi-
958 am edt wed aug 19 2026

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

$$

fzus53 kgrr 191358
nshgrr
expires:202608192100;;993530

nearshore marine forecast
national weather service grand rapids mi
958 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz846-192100-
holland to grand haven mi-
958 am edt wed aug 19 2026

.rest of today...north winds 10 to 15 knots. mostly sunny. waves
1 to 2 feet. 
.tonight...north winds 10 to 15 knots veering northeast 5 to
10 knots in the late evening and overnight. partly cloudy. waves
1 to 2 feet. 
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. sunny. waves less than 1 foot. 
.thursday night...northwest winds 5 to 15 knots backing south in the
late evening and overnight. partly cloudy. waves 1 foot or less. 
.friday...south winds 10 to 20 knots. partly sunny. waves 1 to
3 feet. 
.saturday...northwest winds 15 to 20 knots. mostly sunny with a
chance of rain showers. waves 2 to 4 feet. 
.sunday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 191358
nshgrr
expires:202608192100;;993529

nearshore marine forecast
national weather service grand rapids mi
958 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz847-192100-
grand haven to whitehall mi-
958 am edt wed aug 19 2026

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

$$

fzus53 kgrr 191358
nshgrr
expires:202608192100;;993528

nearshore marine forecast
national weather service grand rapids mi
958 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz848-192100-
whitehall to pentwater mi-
958 am edt wed aug 19 2026

.rest of today...north winds 5 to 15 knots. mostly sunny. waves
around 1 foot. 
.tonight...north winds 5 to 10 knots veering east in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...southeast winds 5 to 10 knots veering west 10 to
15 knots early in the afternoon. sunny. waves 1 foot or less. 
.thursday night...southwest winds 10 to 15 knots backing south in
the late evening and overnight. partly cloudy. waves 1 to 2 feet. 
.friday...south winds 15 to 20 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 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 191358
nshgrr
expires:202608192100;;993527

nearshore marine forecast
national weather service grand rapids mi
958 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz849-192100-
pentwater to manistee mi-
958 am edt wed aug 19 2026

.rest of today...north winds 5 to 10 knots. sunny. waves around
1 foot. 
.tonight...northeast winds around 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. 
.thursday night...south winds 5 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.friday...south winds 15 to 25 knots. mostly cloudy with a chance of
rain showers and a slight chance of thunderstorms. 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 with a
chance of rain showers. waves 1 to 3 feet. 
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet. 

$$

fzus53 kiwx 191410
nshiwx
expires:202608192015;;994276

nearshore marine forecast
national weather service northern indiana
1010 am edt wed aug 19 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-192015-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1010 am edt wed aug 19 2026

.rest of today...north winds 10 knots or less. partly sunny. 
waves 1 to 2 feet. 
.tonight...north winds 10 knots or less becoming northeast.
mostly cloudy. waves 1 to 2 feet. 
.thursday...northeast winds less than 10 knots. sunny. waves
1 foot or less. 
.thursday night...north winds less than 10 knots becoming south.
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 

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

$$