fzus53 kapx 171852
nshapx
expires:202609180300;;616157

nearshore marine forecast
national weather service gaylord mi
252 pm edt thu sep 17 2026

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.


lmz346-180300-
manistee to point betsie mi-
252 pm edt thu sep 17 2026

.through early evening...north wind 5 to 10 knots. partly sunny.
waves 2 feet or less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.friday...northeast wind 5 to 10 knots. partly sunny. waves
2 feet or less. 
.friday night...east wind 5 to 10 knots. chance of rain. waves
2 feet or less. 
.saturday...east wind 5 to 10 knots. chance of rain. waves 2 feet
or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 180053
nshgrb
expires:202609180400;;629567

nearshore marine forecast
national weather service green bay wi
753 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-180400-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
753 pm cdt thu sep 17 2026

.tonight...ne wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy. 
.friday...e wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers in the afternoon. 
.friday night...e wind 10 to 15 kts increasing to 15 to 25 kts
after midnight. waves 4 to 7 ft. a chance of showers in the
evening, then showers after midnight. a small craft advisory may
be needed. 
.saturday...e wind 15 to 25 kts. waves 4 to 7 ft. rain showers in
the morning, then a chance of showers in the afternoon.  

$$

fzus53 kgrr 180103
nshgrr
expires:202609180800;;629926

nearshore marine forecast
national weather service grand rapids mi
903 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
903 pm edt thu sep 17 2026

.through early evening...north winds 5 to 15 knots. mostly cloudy.
waves 1 foot or less. 
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves
around 1 foot. 
.friday...northeast winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots becoming after midnight.
rain showers likely. waves around 1 foot. 
.saturday...east winds 10 to 20 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.saturday night...northeast winds 10 to 20 knots. cloudy with a
chance of rain showers. waves around 1 foot. 
.sunday...northeast winds 15 to 25 knots. partly sunny with a chance
of rain showers. waves 1 to 3 feet building to 2 to 4 feet early in
the afternoon. 
.monday...northeast winds 10 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.tuesday...northeast winds 10 to 20 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 180103
nshgrr
expires:202609180800;;629931

nearshore marine forecast
national weather service grand rapids mi
903 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
903 pm edt thu sep 17 2026

.through early evening...north winds 5 to 10 knots. mostly cloudy.
areas of dense fog. a slight chance of drizzle. waves less than
1 foot. 
.tonight...northeast winds 10 to 15 knots. areas of dense fog in the
evening. mostly cloudy with a slight chance of rain showers and
drizzle in the evening, then partly cloudy after midnight. waves
around 1 foot. 
.friday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.saturday...southeast winds 10 to 20 knots. rain showers and a
slight chance of thunderstorms. waves around 1 foot. 
.saturday night...east winds 10 to 15 knots backing northeast after
midnight. rain showers and a chance of thunderstorms. waves 1 foot
or less. 
.sunday...northeast winds 10 to 20 knots. rain showers. waves 1 to
3 feet. 
.monday...northeast winds 15 to 25 knots. mostly cloudy with a
chance of rain showers. waves 1 to 3 feet. 
.tuesday...northeast winds 15 to 20 knots. partly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 180103
nshgrr
expires:202609180800;;629930

nearshore marine forecast
national weather service grand rapids mi
903 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
903 pm edt thu sep 17 2026

.through early evening...northeast winds 5 to 10 knots. mostly
cloudy. patchy fog. a slight chance of drizzle. waves less than
1 foot. 
.tonight...northeast winds 10 to 15 knots. patchy fog in the
evening. mostly cloudy with a slight chance of rain showers and
drizzle in the evening, then partly cloudy after midnight. waves
around 1 foot. 
.friday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves around 1 foot. 
.saturday...east winds 15 to 20 knots. rain showers and a slight
chance of thunderstorms. waves around 1 foot. 
.saturday night...east winds 10 to 20 knots backing northeast after
midnight. rain showers and a chance of thunderstorms. waves around
1 foot. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet. 
.monday...east winds 20 to 25 knots. mostly cloudy with a chance of
rain showers. waves 1 to 2 feet. 
.tuesday...northeast winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 180103
nshgrr
expires:202609180800;;629929

nearshore marine forecast
national weather service grand rapids mi
903 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
903 pm edt thu sep 17 2026

.through early evening...northeast winds around 10 knots. mostly
cloudy. a slight chance of drizzle. waves less than 1 foot. 
.tonight...northeast winds 10 to 15 knots. mostly cloudy in the
evening then becoming partly cloudy. waves 1 foot or less. 
.friday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots. rain showers likely and a
slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday...east winds 15 to 25 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 3 feet. 
.saturday night...east winds 15 to 20 knots. rain showers likely and
a chance of thunderstorms. waves around 1 foot. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet. 
.monday...east winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.tuesday...northeast winds 20 to 25 knots. partly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 180103
nshgrr
expires:202609180800;;629928

nearshore marine forecast
national weather service grand rapids mi
903 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
903 pm edt thu sep 17 2026

.through early evening...northeast winds around 10 knots. mostly
cloudy. a slight chance of drizzle. waves less than 1 foot. 
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves
around 1 foot. 
.friday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.friday night...east winds 10 to 20 knots increasing to 20 to
25 knots after midnight. rain showers likely and a slight chance of
thunderstorms. waves 1 to 2 feet. 
.saturday...east winds 20 to 25 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 3 feet. 
.saturday night...east winds 15 to 20 knots. rain showers likely and
a chance of thunderstorms. waves 1 to 2 feet. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 
.monday...east winds 20 to 25 knots. mostly cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.tuesday...east winds 20 to 25 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 180103
nshgrr
expires:202609180800;;629927

nearshore marine forecast
national weather service grand rapids mi
903 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
903 pm edt thu sep 17 2026

.through early evening...northeast winds 10 to 15 knots. mostly
cloudy. waves 1 foot or less. 
.tonight...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves 1 to 2 feet. 
.friday...northeast winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots becoming after midnight.
rain showers likely and a slight chance of thunderstorms. waves 1 to
2 feet. 
.saturday...east winds 15 to 25 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 3 feet. 
.saturday night...northeast winds 10 to 20 knots. cloudy with rain
showers likely. waves around 1 foot. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 1 to 3 feet. 
.monday...northeast winds 15 to 25 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet. 
.tuesday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kiwx 172007
nshiwx
expires:202609180230;;619020

nearshore marine forecast
national weather service northern indiana
407 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-180230-
new buffalo mi to st joseph mi-
407 pm edt thu sep 17 2026

...dense fog advisory in effect until 11 pm edt this evening...

.tonight...north winds 5 to 10 knots becoming northeast. mostly
cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots. partly sunny. waves
2 feet or less. 
.friday night...east winds 5 to 15 knots becoming southeast.
showers likely with a slight chance of thunderstorms overnight.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots. showers with a chance
of thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 54 degrees and at michigan
city is 52 degrees.

$$

fzus53 kiwx 172007
nshiwx
expires:202609180230;;619021

nearshore marine forecast
national weather service northern indiana
407 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-180230-
michigan city in to new buffalo mi-
407 pm edt thu sep 17 2026

...dense fog advisory in effect until 11 pm edt this evening...

.tonight...north winds 5 to 10 knots becoming northeast. mostly
cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 5 to 15 knots becoming southeast. a
chance of showers with a slight chance of thunderstorms
overnight. waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots. showers with a chance
of thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 54 degrees and at michigan
city is 52 degrees.

$$

fzus53 klot 171950
nshlot
expires:202609180315;;618210

nearshore marine forecast
national weather service chicago/romeoville il
250 pm cdt thu sep 17 2026

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.


lmz741-742-180315-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
250 pm cdt thu sep 17 2026

.tonight...north winds 10 to 15 kt becoming northeast late.
patchy fog in the evening. slight chance of showers in the
evening. waves 1 to 3 ft building to 2 to 4 ft. 
.friday...east winds around 15 kt. mostly cloudy. waves 3 to
5 ft. 
.friday night...east winds 15 to 20 kt becoming southeast
overnight. showers likely and a chance of thunderstorms
overnight. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. a small craft advisory will likely be needed. 
.saturday...southeast winds 15 to 20 kt diminishing to 10 to
15 kt. showers and a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. a small craft
advisory will likely be needed.  

$$

fzus53 klot 171950
nshlot
expires:202609180315;;618209

nearshore marine forecast
national weather service chicago/romeoville il
250 pm cdt thu sep 17 2026

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.


lmz740-180315-
winthrop harbor to wilmette harbor il-
250 pm cdt thu sep 17 2026

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

.tonight...north winds 10 to 15 kt becoming northeast late.
patchy fog in the evening. waves 1 to 3 ft building to 3 to 5 ft.
.friday...east winds 15 to 20 kt. mostly cloudy. waves 3 to 6 ft 
occasionally to 8 ft.
.friday night...east winds 15 to 20 kt becoming southeast
overnight. slight chance of showers in the evening, then showers
and a chance of thunderstorms overnight. waves 3 to 5 ft building
to 4 to 7 ft occasionally to 9 ft. 
.saturday...southeast winds 10 to 20 kt. showers and a chance of
thunderstorms. waves 4 to 7 ft occasionally to 9 ft.  

$$

fzus53 klot 171950
nshlot
expires:202609180315;;618211

nearshore marine forecast
national weather service chicago/romeoville il
250 pm cdt thu sep 17 2026

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>745-180315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
250 pm cdt thu sep 17 2026

.tonight...north winds 10 to 15 kt becoming northeast late.
slight chance of showers in the evening. waves 1 to 2 ft building
to 2 to 4 ft. 
.friday...east winds 10 to 15 kt becoming northeast. mostly
cloudy. waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. 
.friday night...east winds 10 to 15 kt becoming southeast
overnight. showers likely and slight chance of thunderstorms
overnight. waves 1 to 3 ft. 
.saturday...southeast winds 10 to 15 kt. showers and slight
chance of thunderstorms in the morning, then showers and a chance
of thunderstorms in the afternoon. waves 1 to 3 ft.  

$$

fzus53 kmkx 180010
nshmkx
expires:202609180400;;628636

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-180400-
port washington to north point light wi-
710 pm cdt thu sep 17 2026

.tonight...north wind 10 to 15 knots veering northeast after
midnight, then rising to 15 to 20 knots early in the morning.
patchy fog in the evening. isolated showers in the evening. waves
1 to 3 feet building to 2 to 4 feet early in the morning. 
.friday...northeast wind 15 to 20 knots veering east late in the
morning, then easing to 10 to 15 knots in the afternoon. chance
of showers in the afternoon. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east late
in the evening, then becoming east 15 to 20 knots after midnight
becoming 10 to 20 knots early in the morning. gusts up to
25 knots. showers through the night. chance of thunderstorms
after midnight. waves 2 to 4 feet building to 6 to 8 feet. 
.saturday...southeast wind 15 to 20 knots backing east 10 to
20 knots late in the afternoon. gusts up to 25 knots. rain
showers and a chance of thunderstorms. waves 6 to 8 feet. 

$$

fzus53 kmkx 180010
nshmkx
expires:202609180400;;628638

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-180400-
wind point wi to winthrop harbor il-
710 pm cdt thu sep 17 2026

...small craft advisory in effect from 7 am cdt friday through
friday afternoon...

.tonight...north wind 10 to 15 knots veering northeast after
midnight, then rising to 15 to 20 knots early in the morning.
patchy fog in the evening. scattered showers in the evening.
waves 1 to 3 feet building to 3 to 4 feet in the late evening and
overnight. 
.friday...northeast wind 15 to 20 knots veering east in the late
morning and early afternoon, then easing to 10 to 15 knots late
in the afternoon. partly sunny. waves 3 to 4 feet. 
.friday night...east wind 15 to 20 knots veering southeast after
midnight. gusts up to 25 knots. showers likely through the night.
chance of thunderstorms after midnight. waves 3 to 4 feet
building to 5 to 7 feet. 
.saturday...southeast wind 15 to 20 knots with gusts to around
25 knots becoming southeast 15 to 20 knots late in the morning,
then becoming 10 to 20 knots early in the afternoon backing east
10 to 15 knots late in the afternoon. showers and a chance of
thunderstorms. waves 5 to 7 feet subsiding to 4 to 6 feet early
in the afternoon, then subsiding to 3 to 5 feet late in the
afternoon. 

$$

fzus53 kmkx 180010
nshmkx
expires:202609180400;;628635

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-180400-
sheboygan to port washington wi-
710 pm cdt thu sep 17 2026

.tonight...north wind 10 to 15 knots veering northeast after
midnight, then rising to 15 to 20 knots early in the morning.
mostly cloudy through around midnight then becoming partly
cloudy. waves 1 to 2 feet building to 2 to 4 feet early in the
morning. 
.friday...northeast wind 15 to 20 knots veering east late in the
morning, then easing to 10 to 15 knots in the afternoon. chance
of showers in the afternoon. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east late
in the evening, then becoming east 15 to 20 knots after midnight
becoming 15 to 25 knots early in the morning. rain showers
through the night. slight chance of thunderstorms after midnight.
waves 2 to 4 feet building to 4 to 6 feet in the late evening and
overnight. a small craft advisory may be needed. 
.saturday...east wind 15 to 25 knots becoming 15 to 20 knots
early in the afternoon, then becoming east 15 to 20 knots late in
the afternoon. rain showers and slight chance of thunderstorms.
waves 5 to 7 feet building to 6 to 8 feet in the late morning and
afternoon. 

$$

fzus53 kmkx 180010
nshmkx
expires:202609180400;;628637

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-180400-
north point light to wind point wi-
710 pm cdt thu sep 17 2026

...small craft advisory in effect from 7 am cdt friday through
friday afternoon...

.tonight...north wind 10 to 15 knots veering northeast after
midnight, then rising to 15 to 20 knots early in the morning.
patchy fog in the evening. scattered showers in the evening.
waves 1 to 3 feet building to 3 to 4 feet in the late evening and
overnight. 
.friday...northeast wind 15 to 20 knots veering east late in the
morning, then easing to 10 to 15 knots in the afternoon. chance
of showers in the afternoon. waves 3 to 4 feet. 
.friday night...east wind 15 to 20 knots. gusts up to 25 knots.
chance of showers through around midnight, then showers and a
chance of thunderstorms after midnight. waves 2 to 4 feet
building to 6 to 8 feet. 
.saturday...southeast wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then becoming southeast 15 to 20 knots early
in the afternoon becoming east 10 to 15 knots late in the
afternoon. showers and a chance of thunderstorms. waves 6 to
8 feet subsiding to 5 to 7 feet in the afternoon. 

$$