fzus53 kapx 171845
nshapx
expires:202509180245;;147907

nearshore marine forecast
national weather service gaylord mi
245 pm edt wed sep 17 2025

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

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.


lmz346-180245-
manistee to point betsie mi-
245 pm edt wed sep 17 2025

.through early evening...southwest wind 5 to 10 knots. sunny.
waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. slight chance of waterspouts.
slight chance of showers and thunderstorms. waves 2 feet or less.
.thursday...north wind 10 to 15 knots. partly sunny. waves 2 feet
or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 171837
nshgrb
expires:202509180200;;147655

nearshore marine forecast
national weather service green bay wi
137 pm cdt wed sep 17 2025

for waters within five nautical miles of the shore on lake michigan


lmz542-543-180200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
137 pm cdt wed sep 17 2025

.this afternoon...s wind 5 to 10 kts. mostly sunny. waves 2 ft or
less. 
.tonight...sw wind 5 to 10 kts veering n after midnight. a slight
chance of light showers and thunderstorms in the evening. patchy
fog after midnight. waves 2 ft or less. 
.thursday...ne wind 5 to 10 kts. patchy fog in the morning. waves
2 ft or less. 
.thursday night...ne wind 10 to 15 kts. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 3 ft. 

$$

fzus53 kgrr 171405
nshgrr
expires:202509172115;;136986

nearshore marine forecast
national weather service grand rapids mi
issued by national weather service detroit/pontiac mi
1005 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz845-172115-
south haven to holland mi-
1005 am edt wed sep 17 2025

.rest of today...south winds around 5 knots veering northwest.
sunny. waves less than 1 foot. 
.tonight...north winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves less than 1 foot. 
.thursday...south winds around 5 knots veering west, then veering
northwest 10 to 15 knots late in the day. sunny. waves 1 foot or
less. 
.thursday night...north winds 10 to 15 knots veering northeast after
midnight. mostly clear. waves around 1 foot. 
.friday...northeast winds 10 to 15 knots. sunny. waves 1 foot or
less. 
.saturday...southeast winds 10 to 20 knots. partly sunny. waves
around 1 foot. 
.sunday...south winds 10 to 15 knots. partly sunny with a chance of
showers and thunderstorms. waves 1 to 2 feet. 

$$

fzus53 kgrr 171405
nshgrr
expires:202509172115;;136985

nearshore marine forecast
national weather service grand rapids mi
issued by national weather service detroit/pontiac mi
1005 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz846-172115-
holland to grand haven mi-
1005 am edt wed sep 17 2025

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

$$

fzus53 kgrr 171405
nshgrr
expires:202509172115;;136984

nearshore marine forecast
national weather service grand rapids mi
issued by national weather service detroit/pontiac mi
1005 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz847-172115-
grand haven to whitehall mi-
1005 am edt wed sep 17 2025

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

$$

fzus53 kgrr 171405
nshgrr
expires:202509172115;;136983

nearshore marine forecast
national weather service grand rapids mi
issued by national weather service detroit/pontiac mi
1005 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz848-172115-
whitehall to pentwater mi-
1005 am edt wed sep 17 2025

.rest of today...southwest winds 5 to 10 knots. sunny. waves less
than 1 foot. 
.tonight...southwest winds 5 to 10 knots backing southeast after
midnight. partly cloudy. waves less than 1 foot. 
.thursday...north winds 5 to 15 knots increasing to 15 to 20 knots
late in the day. mostly sunny. waves 1 to 2 feet. 
.thursday night...northeast winds 10 to 20 knots. partly cloudy.
waves 1 to 2 feet. 
.friday...northeast winds 10 to 15 knots backing north late in the
day. mostly sunny. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. partly sunny. waves 1 to
2 feet. 
.sunday...south winds 15 to 20 knots. partly sunny with a chance of
rain showers. waves 2 to 3 feet. 

$$

fzus53 kgrr 171405
nshgrr
expires:202509172115;;136982

nearshore marine forecast
national weather service grand rapids mi
issued by national weather service detroit/pontiac mi
1005 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz849-172115-
pentwater to manistee mi-
1005 am edt wed sep 17 2025

.rest of today...southwest winds 5 to 10 knots. sunny. waves 1 foot
or less. 
.tonight...southwest winds 5 to 10 knots backing east toward
daybreak. partly cloudy. waves less than 1 foot. 
.thursday...northeast winds 5 to 10 knots backing north 10 to
20 knots. mostly sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.friday...northeast winds 10 to 15 knots backing north late in the
day. mostly sunny. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. partly sunny. waves
around 1 foot. 
.sunday...south winds 10 to 20 knots. partly sunny with a chance of
rain showers. waves 2 to 3 feet. 

$$

fzus53 kgrr 171405
nshgrr
expires:202509172115;;136987

nearshore marine forecast
national weather service grand rapids mi
issued by national weather service detroit/pontiac mi
1005 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz844-172115-
st joseph to south haven mi-
1005 am edt wed sep 17 2025

.rest of today...southeast winds around 5 knots backing northwest.
sunny. waves less than 1 foot. 
.tonight...north winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves less than 1 foot. 
.thursday...south winds around 5 knots veering northwest, then
veering north late in the day. sunny. waves 1 foot or less. 
.thursday night...northeast winds 10 to 15 knots veering east toward
daybreak. mostly clear. waves around 1 foot. 
.friday...east winds 10 to 15 knots backing northeast late in the
day. mostly sunny. waves around 1 foot. 
.saturday...southeast winds 10 to 15 knots. partly sunny. waves
around 1 foot. 
.sunday...south winds 10 to 15 knots. partly sunny with a chance of
showers and thunderstorms. waves around 1 foot. 

$$

fzus53 kiwx 171424
nshiwx
expires:202509172015;;137752

nearshore marine forecast
national weather service northern indiana
1024 am edt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz043-046-172015-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1024 am edt wed sep 17 2025

.this afternoon...light and variable winds becoming north 5 to
10 knots. sunny. waves 1 foot or less. 
.tonight...north winds less than 10 knots. mostly clear. waves
1 foot or less. 
.thursday...light and variable winds becoming north 5 to
10 knots. sunny. waves 1 foot or less. 
.thursday night...north winds 5 to 10 knots becoming northeast.
mostly clear. waves 2 feet or less. 

the water temperature at st. joseph is 55 degrees and at michigan
city is 56 degrees.

$$

fzus53 klot 171409
nshlot
expires:202509172130;;137247

nearshore marine forecast
national weather service chicago/romeoville il
909 am cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740>742-172130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
909 am cdt wed sep 17 2025

.rest of today...northeast winds 5 to 10 kt. mostly sunny. waves 
around 1 ft. 
.tonight...northeast winds 5 to 10 kt becoming southeast. mostly 
clear. waves around 1 ft. 
.thursday...south winds 5 to 10 kt becoming northeast 10 to 15 kt
in the afternoon. mostly sunny. waves 1 to 2 ft.
.thursday night...northeast winds 10 to 15 kt. mostly clear in
the evening, then becoming partly cloudy. waves 1 to 3 ft
building to 2 to 4 ft.  

$$

fzus53 klot 171409
nshlot
expires:202509172130;;137248

nearshore marine forecast
national weather service chicago/romeoville il
909 am cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-172130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
909 am cdt wed sep 17 2025

.rest of today...northeast winds 5 to 10 kt. sunny. waves around 
1 ft. 
.tonight...northeast winds 5 to 10 kt becoming southeast. mostly 
clear. waves around 1 ft. 
.thursday...south winds around 5 kt becoming northeast around 10 
kt in the afternoon. mostly sunny. waves around 1 ft. 
.thursday night...northeast winds around 10 kt. mostly clear in 
the evening, then becoming partly cloudy. waves 1 to 2 ft. 

$$

fzus53 kmkx 171805
nshmkx
expires:202509172200;;146604

nearshore marine forecast
national weather service milwaukee/sullivan wi
105 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz646-172200-
wind point wi to winthrop harbor il-
105 pm cdt wed sep 17 2025

.rest of today...east wind 5 to 10 knots veering southeast late
in the afternoon. sunny. waves nearly calm. 
.tonight...southeast wind 5 to 10 knots becoming south late in
the evening, then veering southwest after midnight backing south
early in the morning. mostly clear. waves nearly calm. 
.thursday...southwest wind 5 knots becoming east late in the
morning, then becoming east 5 to 10 knots early in the afternoon
backing northeast late in the afternoon. mostly sunny. waves
around 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 3 to 4 feet. 

$$

fzus53 kmkx 171805
nshmkx
expires:202509172200;;146603

nearshore marine forecast
national weather service milwaukee/sullivan wi
105 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz645-172200-
north point light to wind point wi-
105 pm cdt wed sep 17 2025

.rest of today...southeast wind 5 to 10 knots. sunny. waves
nearly calm. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then easing to 5 knots after midnight backing south
early in the morning. mostly clear. waves nearly calm. 
.thursday...west wind 5 knots becoming north late in the morning,
then veering northeast early in the afternoon becoming northeast
5 to 10 knots late in the afternoon. mostly sunny. waves around
1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 3 to 4 feet. 

$$

fzus53 kmkx 171805
nshmkx
expires:202509172200;;146601

nearshore marine forecast
national weather service milwaukee/sullivan wi
105 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz643-172200-
sheboygan to port washington wi-
105 pm cdt wed sep 17 2025

.rest of today...south wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. sunny. waves around 1 foot. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then veering west after midnight veering north early in
the morning. partly cloudy. waves around 1 foot. 
.thursday...north wind 5 to 10 knots becoming northeast 10 to
15 knots in the afternoon. partly sunny. waves around 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 2 to 4 feet. 

$$

fzus53 kmkx 171805
nshmkx
expires:202509172200;;146602

nearshore marine forecast
national weather service milwaukee/sullivan wi
105 pm cdt wed sep 17 2025

for waters within five nautical miles of shore on lake michigan


lmz644-172200-
port washington to north point light wi-
105 pm cdt wed sep 17 2025

.rest of today...southeast wind 5 to 10 knots veering south late
in the afternoon. sunny. waves nearly calm. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then becoming west after midnight becoming west 5 knots
early in the morning. partly cloudy. waves nearly calm. 
.thursday...north wind 5 knots rising to 5 to 10 knots late in
the morning, then veering northeast early in the afternoon rising
to 10 to 15 knots late in the afternoon. mostly sunny. waves
around 1 foot. 
.thursday night...northeast wind 10 to 15 knots. partly cloudy.
waves 2 to 4 feet. 

$$