fzus53 kapx 230715
nshapx
expires:202510231515;;608452

nearshore marine forecast
national weather service gaylord mi
315 am edt thu oct 23 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.


lmz346-231515-
manistee to point betsie mi-
315 am edt thu oct 23 2025

...small craft advisory in effect through late tonight...

.today...northwest wind 15 to 20 knots decreasing to 10 to
15 knots in the afternoon. slight chance of waterspouts through
the day. showers likely early in the morning. chance of showers
in the morning. waves 3 to 5 feet. 
.tonight...northwest wind 10 to 15 knots. slight chance of
waterspouts. chance of showers. waves 3 to 5 feet. 
.friday...northwest wind 10 to 15 knots. partly sunny. waves 2 to
4 feet. 
.friday night...light winds. mostly cloudy. waves 2 feet or less.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 231138
nshgrb
expires:202510232000;;619533

nearshore marine forecast
national weather service green bay wi
638 am cdt thu oct 23 2025

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


lmz542-543-232000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
638 am cdt thu oct 23 2025

.today...nw wind 10 to 20 kts. a chance of sprinkles. waves 2 ft
or less. 
.tonight...nw wind 10 to 20 kts. partly cloudy. waves 2 ft or
less. 
.friday...nw wind 5 to 10 kts. mostly sunny. waves 2 ft or less. 
.friday night...sw wind 5 to 10 kts. partly cloudy. waves 2 ft or
less. 

$$

fzus53 kgrr 230913
nshgrr
expires:202510232000;;613604

nearshore marine forecast
national weather service grand rapids mi
513 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz847-232000-
grand haven to whitehall mi-
513 am edt thu oct 23 2025

...small craft advisory in effect through friday afternoon...

.today...northwest winds 20 to 25 knots. cloudy with a chance of
rain showers. a slight chance of waterspouts. waves 5 to 7 feet. 
.tonight...northwest winds 15 to 20 knots. rain showers likely.
waves 4 to 6 feet. 
.friday...northwest winds 10 to 20 knots. partly sunny. waves 3 to
5 feet subsiding to 2 to 3 feet early in the afternoon. 
.friday night...north winds 5 to 15 knots veering east after
midnight. partly cloudy. waves 1 to 3 feet. 
.saturday...southeast winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday...southeast winds 10 to 20 knots. mostly sunny. waves 1 to
2 feet. 
.monday...east winds 15 to 25 knots. mostly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 230913
nshgrr
expires:202510232000;;613602

nearshore marine forecast
national weather service grand rapids mi
513 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz849-232000-
pentwater to manistee mi-
513 am edt thu oct 23 2025

...small craft advisory in effect through friday afternoon...

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

$$

fzus53 kgrr 230913
nshgrr
expires:202510232000;;613603

nearshore marine forecast
national weather service grand rapids mi
513 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz848-232000-
whitehall to pentwater mi-
513 am edt thu oct 23 2025

...small craft advisory in effect through friday afternoon...

.today...northwest winds 20 to 25 knots. cloudy with a chance of
rain showers. a slight chance of waterspouts. waves 4 to 6 feet. 
.tonight...northwest winds 15 to 25 knots. rain showers likely.
waves 4 to 6 feet. 
.friday...northwest winds 15 to 20 knots. mostly cloudy. waves 3 to
5 feet subsiding to 2 to 3 feet early in the afternoon. 
.friday night...north winds 5 to 10 knots veering southeast after
midnight. partly cloudy. waves 1 to 2 feet. 
.saturday...southeast winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday...southeast winds 10 to 20 knots. mostly sunny. waves 1 to
2 feet. 
.monday...east winds 15 to 25 knots. mostly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 230913
nshgrr
expires:202510232000;;613607

nearshore marine forecast
national weather service grand rapids mi
513 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz844-232000-
st joseph to south haven mi-
513 am edt thu oct 23 2025

...small craft advisory in effect through friday afternoon...

.today...northwest winds 20 to 25 knots. rain showers likely. a
slight chance of waterspouts. waves 6 to 8 feet. 
.tonight...northwest winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 5 to 7 feet. 
.friday...northwest winds 15 to 20 knots. partly sunny. waves 3 to
5 feet. 
.friday night...northwest winds 10 to 15 knots veering north 5 to
10 knots in the late evening and early morning, then veering
southeast after midnight. partly cloudy. waves 2 to 3 feet. 
.saturday...southeast winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday...southeast winds 10 to 15 knots. mostly sunny. waves 1 foot
or less. 
.monday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 230913
nshgrr
expires:202510232000;;613606

nearshore marine forecast
national weather service grand rapids mi
513 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz845-232000-
south haven to holland mi-
513 am edt thu oct 23 2025

...small craft advisory in effect through friday afternoon...

.today...northwest winds 20 to 25 knots. rain showers likely. a
slight chance of waterspouts. waves 6 to 8 feet. 
.tonight...northwest winds 15 to 20 knots. rain showers likely.
waves 5 to 7 feet. 
.friday...northwest winds 10 to 15 knots. partly sunny. waves 3 to
5 feet. 
.friday night...northwest winds 10 to 15 knots veering east 5 to
10 knots after midnight. partly cloudy. waves 2 to 3 feet. 
.saturday...southeast winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday...southeast winds 10 to 15 knots. mostly sunny. waves 1 foot
or less. 
.monday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 230913
nshgrr
expires:202510232000;;613605

nearshore marine forecast
national weather service grand rapids mi
513 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz846-232000-
holland to grand haven mi-
513 am edt thu oct 23 2025

...small craft advisory in effect through friday afternoon...

.today...northwest winds 20 to 25 knots. rain showers likely. a
slight chance of waterspouts. waves 5 to 7 feet. 
.tonight...northwest winds 15 to 20 knots. rain showers likely.
waves 4 to 6 feet. 
.friday...northwest winds 10 to 15 knots. mostly cloudy. waves 3 to
5 feet. 
.friday night...northwest winds 5 to 15 knots veering east after
midnight. partly cloudy. waves 1 to 3 feet. 
.saturday...southeast winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday...southeast winds 10 to 20 knots. mostly sunny. waves around
1 foot. 
.monday...east winds 15 to 25 knots. partly sunny. waves 1 to
3 feet. 

$$

fzus53 kiwx 230740
nshiwx
expires:202510231415;;609119

nearshore marine forecast
national weather service northern indiana
340 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz043-231415-
new buffalo mi to st joseph mi-
340 am edt thu oct 23 2025

...small craft advisory in effect through friday morning...

.today...northwest winds 15 to 25 knots. gusts to 30 knots in the
morning. a chance of showers. waves 6 to 9 feet subsiding to 4 to
7 feet in the afternoon.
.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. gusts up to 25 knots. a chance of showers. waves 3 to
6 feet. 
.friday...northwest winds 5 to 15 knots. mostly sunny. waves 3 to
5 feet subsiding to 2 to 4 feet in the morning.
.friday night...northwest winds less than 10 knots. partly
cloudy. waves 1 to 3 feet. 

the water temperature at st. joseph is 58 degrees and at michigan
city is 59 degrees.

$$

fzus53 kiwx 230740
nshiwx
expires:202510231415;;609118

nearshore marine forecast
national weather service northern indiana
340 am edt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz046-231415-
michigan city in to new buffalo mi-
340 am edt thu oct 23 2025

...small craft advisory in effect through friday morning...

.today...northwest winds 15 to 25 knots diminishing to 10 to 20 
knots in the afternoon. gusts up to 30 knots early in the morning. 
a chance of showers early, then a slight chance of showers from 
late morning on. waves 5 to 8 feet subsiding to 3 to 6 feet in the
afternoon. 
.tonight...northwest winds 10 to 15 knots. a slight chance of
showers in the evening, then a chance of showers overnight. waves
3 to 5 feet.
.friday...northwest winds 5 to 15 knots. mostly sunny. waves 2 to
4 feet. 
.friday night...north winds less than 10 knots becoming
southeast. partly cloudy. waves 1 to 2 feet. 

the water temperature at st. joseph is 58 degrees and at michigan
city is 59 degrees.

$$

fzus53 klot 230852
nshlot
expires:202510231515;;612217

nearshore marine forecast
national weather service chicago/romeoville il
352 am cdt thu oct 23 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>743-231515-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
352 am cdt thu oct 23 2025

.today...northwest winds 15 to 25 kt easing to 15 to 20 kt this
morning. mostly cloudy in the morning, then becoming partly 
cloudy. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...northwest winds 15 to 20 kt diminishing to 10 to
15 kt. mostly clear. waves 2 to 4 ft. 
.friday...northwest winds 10 to 15 kt becoming north 5 to 10 kt 
in the afternoon. sunny. waves 1 to 3 ft. 
.friday night...east winds around 5 kt becoming south overnight.
mostly clear. waves 1 to 2 ft.  

$$

fzus53 klot 230852
nshlot
expires:202510231515;;612218

nearshore marine forecast
national weather service chicago/romeoville il
352 am cdt thu oct 23 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.


lmz744-745-231515-
gary to burns harbor in-burns harbor to michigan city in-
352 am cdt thu oct 23 2025

...small craft advisory in effect through this evening...

.today...northwest winds 15 to 25 kt easing to 15 to 20 kt this
afternoon. mostly cloudy in the morning, then becoming partly 
cloudy. waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 
6 ft occasionally to 8 ft.
.tonight...northwest winds 10 to 20 kt. partly cloudy in the
evening then clearing. waves 3 to 5 ft. 
.friday...northwest winds 10 to 15 kt. mostly sunny. waves 3 to
5 ft subsiding to 2 to 4 ft. 
.friday night...northeast winds around 5 kt becoming southeast
overnight. mostly clear in the evening, then becoming partly
cloudy. waves 1 to 3 ft.  

$$

fzus53 kmkx 231010
nshmkx
expires:202510231600;;616430

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz643-231600-
sheboygan to port washington wi-
510 am cdt thu oct 23 2025

.today...northwest wind 15 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.tonight...northwest wind 15 to 20 knots easing to 10 to 15 knots
early in the morning. partly cloudy. waves 1 to 2 feet. 
.friday...northwest wind 10 to 15 knots easing to 5 to 10 knots
in the afternoon. sunny. waves around 1 foot. 
.friday night...northwest wind 5 knots backing southwest after
midnight. partly cloudy. waves nearly calm. 

$$

fzus53 kmkx 231010
nshmkx
expires:202510231600;;616431

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz644-231600-
port washington to north point light wi-
510 am cdt thu oct 23 2025

.today...northwest wind 15 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.tonight...northwest wind 15 to 20 knots easing to 10 to 15 knots
after midnight. partly cloudy. waves 1 to 2 feet. 
.friday...northwest wind 10 to 15 knots easing to 5 to 10 knots
late in the morning, then becoming northwest 5 to 10 knots in the
afternoon. sunny. waves around 1 foot. 
.friday night...northwest wind 5 to 10 knots becoming southwest
late in the evening, then becoming southwest 5 knots after
midnight. partly cloudy. waves nearly calm. 

$$

fzus53 kmkx 231010
nshmkx
expires:202510231600;;616432

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz645-231600-
north point light to wind point wi-
510 am cdt thu oct 23 2025

.today...northwest wind 15 to 20 knots. mostly cloudy. waves 1 to
2 feet building to 2 to 4 feet late in the morning, then
subsiding to 1 to 2 feet in the afternoon. 
.tonight...northwest wind 15 to 20 knots becoming 10 to 20 knots
after midnight, then becoming 10 to 15 knots early in the
morning. partly cloudy. waves 1 to 2 feet building to 2 to 4 feet
late in the evening, then subsiding to 1 to 2 feet after
midnight. 
.friday...northwest wind 10 to 15 knots easing to 5 to 10 knots
early in the afternoon, then becoming northwest 5 to 10 knots
late in the afternoon. sunny. waves around 1 foot. 
.friday night...northwest wind 5 to 10 knots becoming southwest
late in the evening, then becoming southwest 5 knots after
midnight rising to 5 to 10 knots early in the morning. partly
cloudy. waves around 1 foot. 

$$

fzus53 kmkx 231010
nshmkx
expires:202510231600;;616433

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt thu oct 23 2025

for waters within five nautical miles of shore on lake michigan


lmz646-231600-
wind point wi to winthrop harbor il-
510 am cdt thu oct 23 2025

.today...northwest wind 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.tonight...northwest wind 15 to 20 knots easing to 10 to 15 knots
after midnight. partly cloudy. waves 1 to 2 feet. 
.friday...northwest wind 10 to 15 knots easing to 5 to 10 knots
early in the afternoon, then veering north late in the afternoon.
sunny. waves around 1 foot. 
.friday night...north wind 5 to 10 knots becoming south late in
the evening, then becoming south 5 knots after midnight becoming
southwest early in the morning. mostly clear. waves around
1 foot. 

$$