fzus53 kgrb 210042
nshgrb
expires:202511210900;;223298

nearshore marine forecast
national weather service green bay wi
642 pm cst thu nov 20 2025

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


lmz542-543-210900-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
642 pm cst thu nov 20 2025

.tonight...w wind 10 to 20 kts. a chance of sprinkles in the
evening. waves 2 ft or less. 
.friday...w wind 10 to 20 kts veering nw 5 to 10 kts in the
afternoon. mostly sunny. waves 2 ft or less. 
.friday night...n wind 5 to 10 kts. mostly clear. waves 2 ft or
less. 
.saturday...w wind 5 to 10 kts backing sw 10 to 20 kts in the
afternoon. partly cloudy in the morning then becoming mostly
cloudy. waves 2 ft or less. 

$$

fzus53 kgrr 210213
nshgrr
expires:202511210900;;226477

nearshore marine forecast
national weather service grand rapids mi
913 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz844-210900-
st joseph to south haven mi-
913 pm est thu nov 20 2025

.through early evening...southwest winds 10 to 15 knots. cloudy.
patchy drizzle. waves around 1 foot. 
.tonight...southwest winds 10 to 15 knots veering west after
midnight. cloudy with areas of drizzle and a slight chance of rain
showers. areas of fog. waves 1 to 3 feet. 
.friday...northwest winds around 15 knots. mostly cloudy. waves 1 to
3 feet. 
.friday night...north winds 10 to 15 knots. mostly cloudy. waves
1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots veering southwest early in
the afternoon. mostly sunny. waves 1 to 2 feet. 
.saturday night...southwest winds 10 to 20 knots veering west 20 to
25 knots after midnight. partly cloudy. waves around 1 foot building
to 3 to 5 feet in the late evening and overnight. 
.sunday...west winds 20 to 25 knots decreasing to 10 to 15 knots
early in the afternoon. sunny. waves 3 to 5 feet. 
.monday...southeast winds 10 to 15 knots. mostly cloudy. waves
1 foot or less. 
.tuesday...south winds 15 to 20 knots veering southwest early in the
afternoon. rain showers likely. waves 2 to 3 feet. 

$$

fzus53 kgrr 210213
nshgrr
expires:202511210900;;226476

nearshore marine forecast
national weather service grand rapids mi
913 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz845-210900-
south haven to holland mi-
913 pm est thu nov 20 2025

.through early evening...southwest winds 10 to 15 knots. cloudy.
patchy drizzle. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 20 knots veering west after
midnight. cloudy with areas of drizzle and a slight chance of rain
showers. areas of fog. waves 2 to 3 feet. 
.friday...northwest winds 15 to 20 knots. mostly cloudy. waves 2 to
3 feet. 
.friday night...north winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.saturday...northeast winds around 10 knots veering south in the
late morning and early afternoon, then veering southwest early in
the afternoon. mostly sunny. waves around 1 foot. 
.saturday night...southwest winds 15 to 25 knots veering west after
midnight. partly cloudy. waves 1 to 3 feet building to 4 to 6 feet
in the late evening and overnight. 
.sunday...west winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.monday...southeast winds 10 to 15 knots. mostly cloudy. waves
around 1 foot. 
.tuesday...south winds 15 to 20 knots veering southwest early in the
afternoon. rain showers likely. waves 1 to 3 feet building to 2 to
4 feet in the late morning and afternoon. 

$$

fzus53 kgrr 210213
nshgrr
expires:202511210900;;226475

nearshore marine forecast
national weather service grand rapids mi
913 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz846-210900-
holland to grand haven mi-
913 pm est thu nov 20 2025

.through early evening...southwest winds 15 to 20 knots. cloudy.
patchy drizzle. waves 2 to 3 feet. 
.tonight...west winds 10 to 20 knots increasing to around 20 knots
after midnight. cloudy with areas of drizzle and a slight chance of
rain showers. areas of fog through the night. waves 2 to 3 feet. 
.friday...northwest winds 15 to 20 knots. partly sunny. waves 2 to
3 feet. 
.friday night...northeast winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.saturday...east winds 5 to 10 knots veering south 10 to 15 knots in
the late morning and afternoon. mostly sunny. waves around 1 foot. 
.saturday night...southwest winds 15 to 25 knots veering west around
25 knots after midnight. partly cloudy. waves 2 to 4 feet building
to 4 to 6 feet in the late evening and overnight. 
.sunday...west winds 15 to 25 knots. sunny. waves 4 to 6 feet
subsiding to 2 to 4 feet early in the afternoon. 
.monday...southeast winds 10 to 15 knots. mostly cloudy. waves 1 to
2 feet. 
.tuesday...south winds 15 to 20 knots veering southwest early in the
afternoon. rain showers likely. waves 2 to 3 feet building to 3 to
5 feet in the late morning and afternoon. 

$$

fzus53 kgrr 210213
nshgrr
expires:202511210900;;226474

nearshore marine forecast
national weather service grand rapids mi
913 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz847-210900-
grand haven to whitehall mi-
913 pm est thu nov 20 2025

.through early evening...southwest winds 15 to 20 knots. cloudy.
patchy drizzle. waves 2 to 3 feet. 
.tonight...west winds 15 to 20 knots veering northwest after
midnight. cloudy with areas of drizzle and a slight chance of rain
showers. areas of fog through the night. waves 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots. partly sunny. waves 2 to
3 feet. 
.friday night...northeast winds 5 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.saturday...east winds 5 to 10 knots veering south in the late
morning and early afternoon, then veering southwest 15 to 20 knots
early in the afternoon. mostly sunny. waves 1 to 2 feet. 
.saturday night...southwest winds 15 to 25 knots veering west around
25 knots after midnight. partly cloudy. waves 4 to 6 feet. 
.sunday...west winds 15 to 25 knots. sunny. waves 4 to 6 feet
subsiding to 2 to 4 feet early in the afternoon. 
.monday...southeast winds 10 to 20 knots. partly sunny. waves 1 to
3 feet. 
.tuesday...south winds 15 to 20 knots veering southwest 20 to
25 knots early in the afternoon. rain showers likely. waves 3 to
5 feet. 

$$

fzus53 kgrr 210213
nshgrr
expires:202511210900;;226473

nearshore marine forecast
national weather service grand rapids mi
913 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz848-210900-
whitehall to pentwater mi-
913 pm est thu nov 20 2025

.through early evening...southwest winds 15 to 20 knots. cloudy.
patchy drizzle. waves 2 to 3 feet. 
.tonight...west winds 15 to 20 knots veering northwest after
midnight. cloudy with areas of drizzle and a slight chance of rain
showers. areas of fog through the night. waves 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots. partly sunny. waves 2 to
3 feet. 
.friday night...north winds 10 to 15 knots veering northeast 5 to
10 knots after midnight. partly cloudy. waves 1 to 3 feet. 
.saturday...east winds 5 to 10 knots veering southwest 10 to
20 knots in the late morning and afternoon. partly sunny. waves 1 to
3 feet. 
.saturday night...southwest winds 15 to 25 knots veering west after
midnight. partly cloudy. waves 4 to 6 feet. 
.sunday...west winds 15 to 25 knots. sunny. waves 3 to 5 feet. 
.monday...southeast winds 10 to 20 knots. partly sunny. waves 1 to
3 feet. 
.tuesday...south winds 15 to 20 knots veering southwest early in the
afternoon. rain showers likely. waves 3 to 5 feet. 

$$

fzus53 kgrr 210213
nshgrr
expires:202511210900;;226472

nearshore marine forecast
national weather service grand rapids mi
913 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz849-210900-
pentwater to manistee mi-
913 pm est thu nov 20 2025

.through early evening...southwest winds 15 to 20 knots. cloudy.
patchy drizzle. waves 2 to 4 feet. 
.tonight...west winds 15 to 20 knots. cloudy with areas of drizzle
and a slight chance of rain showers. areas of fog through the night.
waves 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. partly sunny. waves 2 to 3 feet. 
.friday night...north winds 5 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.saturday...north winds 5 to 10 knots backing southwest 10 to
20 knots in the late morning and afternoon. partly sunny. waves 1 to
3 feet. 
.saturday night...southwest winds 15 to 25 knots veering west after
midnight. partly cloudy. waves 3 to 5 feet. 
.sunday...west winds 10 to 20 knots. sunny. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon. 
.monday...south winds 10 to 20 knots. partly sunny. waves 1 to
2 feet. 
.tuesday...south winds 10 to 20 knots veering southwest early in the
afternoon. rain showers likely. waves 2 to 4 feet.

$$

fzus53 kiwx 210309
nshiwx
expires:202511210915;;228008

nearshore marine forecast
national weather service northern indiana
1009 pm est thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz043-046-210915-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
1009 pm est thu nov 20 2025

.overnight...southwest winds 5 to 10 knots becoming
northwest. patchy fog. a slight chance of very light drizzle.
waves 2 feet or less. 
.friday...northwest winds around 10 knots becoming north. a
slight chance of very light drizzle in the morning. waves 1 to
2 feet. 
.friday night...north winds 5 to 10 knots becoming northeast.
mostly cloudy. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots becoming southwest.
mostly sunny. waves 1 to 2 feet. 

the water temperature at st. joseph is 48 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 210300
nshlot
expires:202511211030;;227405

nearshore marine forecast
national weather service chicago/romeoville il
900 pm cst thu nov 20 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>742-211030-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
900 pm cst thu nov 20 2025

.rest of tonight...southwest winds 10 to 15 kt becoming northwest
late. patchy drizzle. waves around 1 ft. 
.friday...north winds around 10 kt. mostly cloudy. waves 1 to
2 ft. 
.friday night...north winds 10 to 15 kt. cloudy in the evening,
then clearing. waves 1 to 3 ft building to 2 to 4 ft. 
.saturday...northwest winds around 10 kt becoming southwest in
the afternoon. partly cloudy. waves 2 to 4 ft subsiding to 1 to
2 ft.  

$$

fzus53 klot 210300
nshlot
expires:202511211030;;227406

nearshore marine forecast
national weather service chicago/romeoville il
900 pm cst thu nov 20 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>745-211030-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
900 pm cst thu nov 20 2025

.rest of tonight...southwest winds 10 to 15 kt becoming northwest
late. patchy drizzle. waves 1 to 2 ft. 
.friday...north winds around 10 kt. cloudy. waves 1 to 2 ft. 
.friday night...north winds 10 to 15 kt becoming northeast.
slight chance of rain in the evening. waves 1 to 3 ft building to
2 to 4 ft. 
.saturday...east winds around 10 kt becoming southwest in the
afternoon. partly cloudy. waves 2 to 4 ft subsiding to 1 to 2 ft.
 

$$

fzus53 kmkx 210310
nshmkx
expires:202511211100;;228317

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz643-211100-
sheboygan to port washington wi-
910 pm cst thu nov 20 2025

.rest of tonight...west wind 10 to 15 knots veering northwest
early in the morning. mostly cloudy late in the evening then
becoming partly cloudy. waves around 1 foot. 
.friday...northwest wind 10 to 15 knots. sunny. waves around
1 foot. 
.friday night...north wind 10 to 15 knots easing to 5 to 10 knots
after midnight, then backing northwest early in the morning.
partly cloudy. waves around 1 foot. 
.saturday...northwest wind 5 to 10 knots backing west late in the
morning, then becoming southwest 10 to 15 knots in the afternoon.
mostly sunny in the morning then becoming mostly cloudy. waves
around 1 foot. 

wave heights are for ice free areas.

$$

fzus53 kmkx 210310
nshmkx
expires:202511211100;;228318

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz644-211100-
port washington to north point light wi-
910 pm cst thu nov 20 2025

.rest of tonight...west wind 10 to 15 knots veering northwest
early in the morning. mostly cloudy. waves around 1 foot. 
.friday...northwest wind 10 to 15 knots. mostly sunny. waves
around 1 foot. 
.friday night...north wind 10 to 15 knots easing to 5 to 10 knots
after midnight, then backing northwest early in the morning.
partly cloudy. waves around 1 foot. 
.saturday...northwest wind 5 to 10 knots backing west late in the
morning, then becoming southwest 10 to 15 knots in the afternoon.
partly sunny. waves around 1 foot. 

wave heights are for ice free areas.

$$

fzus53 kmkx 210310
nshmkx
expires:202511211100;;228319

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz645-211100-
north point light to wind point wi-
910 pm cst thu nov 20 2025

.rest of tonight...west wind 10 to 15 knots veering northwest
early in the morning. slight chance of drizzle in the late
evening and early morning. waves around 1 foot. 
.friday...northwest wind 10 to 15 knots easing to 5 to 10 knots
late in the morning, then rising to 10 to 15 knots early in the
afternoon veering north late in the afternoon. partly sunny.
waves around 1 foot. 
.friday night...north wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. partly cloudy. waves 1 to 2 feet. 
.saturday...northwest wind 5 to 10 knots backing west late in the
morning, then becoming southwest 10 to 15 knots in the afternoon.
partly sunny. waves around 1 foot. 

wave heights are for ice free areas.

$$

fzus53 kmkx 210310
nshmkx
expires:202511211100;;228320

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu nov 20 2025

for waters within five nautical miles of shore on lake michigan


lmz646-211100-
wind point wi to winthrop harbor il-
910 pm cst thu nov 20 2025

.rest of tonight...west wind 10 to 15 knots veering northwest
early in the morning. slight chance of drizzle in the late
evening and early morning. waves around 1 foot. 
.friday...northwest wind 5 to 10 knots becoming north 10 to
15 knots late in the afternoon. partly sunny. waves around
1 foot. 
.friday night...north wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. partly cloudy. waves 1 to 2 feet. 
.saturday...northwest wind 5 to 10 knots backing west late in the
morning, then becoming southwest 10 to 15 knots in the afternoon.
mostly sunny. waves around 1 foot. 

wave heights are for ice free areas.

$$