fzus53 kgrb 040141
nshgrb
expires:202609040400;;863625

nearshore marine forecast
national weather service green bay wi
841 pm cdt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-040400-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
841 pm cdt thu sep 3 2026

.tonight...e wind 5 to 10 kts. waves 2 ft or less. patchy fog. a
chance of showers in the evening. a chance of thunderstorms.
showers likely after midnight. 
.friday...e wind 5 to 10 kts. waves 2 ft or less. a chance of
showers and thunderstorms in the morning. 
.friday night...ne wind 5 to 10 kts. waves 2 ft or less. a chance
of showers in the evening. showers likely after midnight. 
.saturday...ne wind 10 to 15 kts. waves 2 ft or less. partly
cloudy.  

$$

fzus53 kgrr 040141
nshgrr
expires:202609040800;;863613

nearshore marine forecast
national weather service grand rapids mi
941 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz844-040800-
st joseph to south haven mi-
941 pm edt thu sep 3 2026

.through early evening...west winds 5 to 10 knots. mostly sunny with
a chance of showers and thunderstorms. waves 1 foot or less. 
.tonight...east winds 5 to 10 knots veering southeast in the late
evening and overnight. rain showers likely and a chance of
thunderstorms after midnight. waves less than 1 foot. 
.friday...southeast winds around 10 knots veering southwest in the
late morning and afternoon. rain showers likely and a chance of
thunderstorms. waves less than 1 foot. 
.friday night...north winds 5 to 10 knots veering south in the late
evening and early morning, then backing north after midnight. rain
showers likely and a chance of thunderstorms. waves less than
1 foot. 
.saturday...northeast winds 5 to 15 knots. partly sunny with rain
showers likely and a slight chance of thunderstorms. waves 1 foot or
less. 
.saturday night...northeast winds 10 to 15 knots veering east after
midnight. partly cloudy. waves around 1 foot. 
.sunday...east winds 10 to 15 knots backing northeast 5 to 10 knots
early in the afternoon. sunny. waves 1 foot or less. 
.labor day...east winds 5 to 10 knots backing northeast early in the
afternoon. sunny. waves less than 1 foot. 
.tuesday...south winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 

$$

fzus53 kgrr 040141
nshgrr
expires:202609040800;;863608

nearshore marine forecast
national weather service grand rapids mi
941 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz849-040800-
pentwater to manistee mi-
941 pm edt thu sep 3 2026

.through early evening...north winds 5 to 10 knots. rain showers
likely and a chance of thunderstorms. waves less than 1 foot. 
.tonight...northeast winds 5 to 10 knots. partly cloudy with a
slight chance of showers and thunderstorms in the evening, then rain
showers likely and a chance of thunderstorms after midnight. patchy
fog after midnight. waves less than 1 foot. 
.friday...southeast winds 5 to 10 knots veering south in the late
morning and early afternoon, then veering northwest early in the
afternoon. rain showers likely and a chance of thunderstorms. waves
less than 1 foot. 
.friday night...northeast winds 5 to 10 knots veering east after
midnight. partly cloudy with a chance of rain showers and a slight
chance of thunderstorms. waves less than 1 foot. 
.saturday...east winds 5 to 15 knots backing northeast early in the
afternoon. partly sunny. waves 1 foot or less. 
.saturday night...north winds 5 to 15 knots veering southeast after
midnight. partly cloudy. waves around 1 foot. 
.sunday...east winds 5 to 10 knots backing north early in the
afternoon. sunny. waves less than 1 foot. 
.labor day...south winds around 10 knots veering southwest early in
the afternoon. mostly sunny. waves 1 foot or less. 
.tuesday...south winds 15 to 25 knots. mostly cloudy with a chance
of rain showers. waves 1 to 2 feet building to 3 to 5 feet in the
late morning and afternoon. 

$$

fzus53 kgrr 040141
nshgrr
expires:202609040800;;863611

nearshore marine forecast
national weather service grand rapids mi
941 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz846-040800-
holland to grand haven mi-
941 pm edt thu sep 3 2026

.through early evening...west winds around 10 knots. partly sunny
with a chance of showers and thunderstorms. waves around 1 foot. 
.tonight...south winds 5 to 10 knots backing east in the late
evening and overnight. partly cloudy with a chance of showers and
thunderstorms in the evening, then rain showers likely and a chance
of thunderstorms after midnight. waves 1 foot or less. 
.friday...southeast winds 10 to 15 knots veering west 5 to 10 knots
early in the afternoon. rain showers and a chance of thunderstorms.
waves 1 foot or less. 
.friday night...north winds 5 to 10 knots veering northeast in the
late evening and overnight. partly cloudy with a chance of showers
and thunderstorms. waves less than 1 foot. 
.saturday...northeast winds 10 to 15 knots. partly sunny with a
chance of rain showers and a slight chance of thunderstorms. waves
1 foot or less. 
.saturday night...northeast winds 10 to 15 knots veering east after
midnight. partly cloudy. waves 1 foot or less. 
.sunday...east winds 5 to 15 knots backing northeast early in the
afternoon. sunny. waves 1 foot or less. 
.labor day...southeast winds 5 to 10 knots backing northeast early
in the afternoon. mostly sunny. waves 1 foot or less. 
.tuesday...southeast winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 040141
nshgrr
expires:202609040800;;863610

nearshore marine forecast
national weather service grand rapids mi
941 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz847-040800-
grand haven to whitehall mi-
941 pm edt thu sep 3 2026

.through early evening...west winds around 10 knots. mostly cloudy
with a chance of showers and thunderstorms. waves 1 foot or less. 
.tonight...south winds 5 to 10 knots backing east in the late
evening and overnight. partly cloudy with a chance of showers and
thunderstorms in the evening, then rain showers and a chance of
thunderstorms after midnight. waves 1 foot or less. 
.friday...southeast winds 10 to 15 knots veering west 5 to 10 knots
early in the afternoon. rain showers and a chance of thunderstorms.
waves 1 foot or less. 
.friday night...north winds 5 to 10 knots veering northeast in the
late evening and overnight. partly cloudy with a chance of showers
and thunderstorms. waves less than 1 foot. 
.saturday...northeast winds 10 to 15 knots. partly sunny. waves
1 foot or less. 
.saturday night...northeast winds 10 to 15 knots veering east after
midnight. partly cloudy. waves 1 foot or less. 
.sunday...east winds 5 to 15 knots backing northeast early in the
afternoon. sunny. waves 1 foot or less. 
.labor day...southeast winds 5 to 15 knots veering southwest around
5 knots early in the afternoon. mostly sunny. waves 1 foot or less. 
.tuesday...southeast winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 

$$

fzus53 kgrr 040141
nshgrr
expires:202609040800;;863609

nearshore marine forecast
national weather service grand rapids mi
941 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz848-040800-
whitehall to pentwater mi-
941 pm edt thu sep 3 2026

.through early evening...west winds 5 to 10 knots. mostly cloudy
with a chance of showers and thunderstorms. waves 1 foot or less. 
.tonight...south winds 5 to 10 knots backing east in the late
evening and overnight. a chance of showers and thunderstorms in the
evening, then rain showers and a chance of thunderstorms after
midnight. patchy fog after midnight. waves 1 foot or less. 
.friday...southeast winds 10 to 15 knots veering west 5 to 10 knots
early in the afternoon. rain showers likely and a chance of
thunderstorms. waves 1 foot or less. 
.friday night...northeast winds 5 to 10 knots. partly cloudy with a
chance of showers and thunderstorms. waves less than 1 foot. 
.saturday...east winds 10 to 15 knots backing northeast early in the
afternoon. partly sunny. waves 1 foot or less. 
.saturday night...north winds 10 to 15 knots veering east in the
late evening and overnight. partly cloudy. waves around 1 foot. 
.sunday...east winds 5 to 15 knots backing north early in the
afternoon. sunny. waves 1 foot or less. 
.labor day...southeast winds 10 to 15 knots veering southwest 5 to
10 knots early in the afternoon. mostly sunny. waves 1 foot or less.
.tuesday...southeast winds 15 to 25 knots. partly sunny with a
chance of rain showers. waves 1 to 3 feet building to 3 to 5 feet in
the late morning and afternoon. 

$$

fzus53 kgrr 040141
nshgrr
expires:202609040800;;863612

nearshore marine forecast
national weather service grand rapids mi
941 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz845-040800-
south haven to holland mi-
941 pm edt thu sep 3 2026

.through early evening...west winds 5 to 10 knots. mostly sunny with
a chance of showers and thunderstorms. waves 1 foot or less. 
.tonight...east winds 5 to 10 knots. a slight chance of showers and
thunderstorms in the evening, then rain showers likely and a chance
of thunderstorms after midnight. waves 1 foot or less. 
.friday...south winds around 10 knots veering west early in the
afternoon. rain showers likely and a chance of thunderstorms. waves
less than 1 foot. 
.friday night...north winds 5 to 10 knots veering east in the late
evening and early morning, then backing northeast after midnight.
partly cloudy with a chance of showers and thunderstorms. waves less
than 1 foot. 
.saturday...northeast winds around 10 knots. partly sunny with a
slight chance of showers and thunderstorms. waves less than 1 foot. 
.saturday night...northeast winds 10 to 15 knots. partly cloudy.
waves 1 foot or less. 
.sunday...east winds 10 to 15 knots backing northeast 5 to 10 knots
early in the afternoon. sunny. waves 1 foot or less. 
.labor day...east winds 5 to 10 knots backing northeast early in the
afternoon. mostly sunny. waves less than 1 foot. 
.tuesday...southeast winds 10 to 15 knots. partly sunny. waves
around 1 foot. 

$$

fzus53 kiwx 040143
nshiwx
expires:202609040900;;863634

nearshore marine forecast
national weather service northern indiana
943 pm edt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-040900-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
943 pm edt thu sep 3 2026

.overnight...southeast winds 5 to 10 knots becoming south.
a slight chance of showers and thunderstorms late. waves 1 foot
or less. 
.friday...south winds 5 to 10 knots becoming northwest. a slight
chance of showers and thunderstorms in the morning. waves 1 foot
or less. 
.friday night...north winds 10 knots or less. a chance of showers
and thunderstorms. waves 1 foot or less.
.saturday...north winds 10 knots or less. showers likely with a
chance of thunderstorms in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 70 degrees and at michigan
city is 56 degrees.

$$

fzus53 klot 040202
nshlot
expires:202609040930;;864221

nearshore marine forecast
national weather service chicago/romeoville il
902 pm cdt thu sep 3 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>742-040930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
902 pm cdt thu sep 3 2026

.rest of tonight...southeast winds 5 to 10 kt becoming southwest
around 10 kt late. chance of showers and thunderstorms toward
morning. waves 1 to 2 ft. 
.friday...northwest winds around 10 kt becoming east late. chance
of showers and thunderstorms in the morning. waves 1 to 2 ft. 
.friday night...east winds around 10 kt becoming northeast
overnight. chance of showers and thunderstorms. waves 1 to 2 ft. 
.saturday...northeast winds 10 to 15 kt. slight chance of showers
and thunderstorms in the morning. waves 1 to 3 ft.  

$$

fzus53 klot 040202
nshlot
expires:202609040930;;864222

nearshore marine forecast
national weather service chicago/romeoville il
902 pm cdt thu sep 3 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>745-040930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
902 pm cdt thu sep 3 2026

.rest of tonight...southeast winds around 10 kt becoming
southwest late. slight chance of showers and thunderstorms 
toward. waves around 1 ft. 
.friday...west winds around 10 kt becoming northeast late. chance
of showers and thunderstorms in the morning. waves around 1 ft. 
.friday night...northeast winds around 10 kt. slight chance of
showers and thunderstorms in the evening, then chance of showers
and thunderstorms overnight. waves around 1 ft. 
.saturday...north winds 10 to 15 kt becoming northeast. chance of
showers and slight chance of thunderstorms in the morning. waves
1 to 2 ft.  

$$

fzus53 kmkx 040210
nshmkx
expires:202609041000;;864832

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz643-041000-
sheboygan to port washington wi-
910 pm cdt thu sep 3 2026

.rest of tonight...southeast wind 5 to 10 knots becoming east
10 to 15 knots early in the morning. patchy fog through the
night. chance of showers just before midnight. chance of
thunderstorms through the night. showers likely after midnight.
waves around 1 foot. 
.friday...southeast wind 10 to 15 knots veering south late in the
morning, then easing to 5 to 10 knots early in the afternoon
backing southeast late in the afternoon. patchy fog in the
morning. chance of showers and thunderstorms in the morning.
waves 1 to 2 feet. 
.friday night...east wind 5 to 10 knots backing north after
midnight. chance of showers through around midnight. slight
chance of thunderstorms through the night. slight chance of
showers after midnight. waves around 1 foot. 
.saturday...northeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then becoming east 5 to 10 knots early in
the afternoon becoming northeast 10 to 15 knots late in the
afternoon. partly sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 040210
nshmkx
expires:202609041000;;864833

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz644-041000-
port washington to north point light wi-
910 pm cdt thu sep 3 2026

.rest of tonight...southeast wind 5 to 10 knots backing east
early in the morning. patchy fog through the night. slight chance
of showers and thunderstorms just before midnight. showers likely
and a chance of thunderstorms after midnight. waves around
1 foot. 
.friday...east wind 10 to 15 knots becoming southeast 5 to
10 knots late in the morning, then veering south early in the
afternoon backing southeast late in the afternoon. chance of
showers and thunderstorms in the morning. slight chance of
showers and thunderstorms in the afternoon. waves 1 to 2 feet. 
.friday night...south wind 5 to 10 knots backing north late in
the evening, then becoming north 5 to 10 knots after midnight
veering northeast early in the morning. chance of showers and
thunderstorms. waves around 1 foot. 
.saturday...northeast wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then veering east early in the afternoon
backing northeast late in the afternoon. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kmkx 040210
nshmkx
expires:202609041000;;864834

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz645-041000-
north point light to wind point wi-
910 pm cdt thu sep 3 2026

.rest of tonight...southeast wind 5 to 10 knots. patchy fog just
before midnight. slight chance of showers and thunderstorms just
before midnight, then chance of showers and thunderstorms early
in the morning. waves around 1 foot. 
.friday...east wind 10 to 15 knots veering southeast late in the
morning, then becoming south 5 to 10 knots early in the afternoon
backing southeast late in the afternoon. chance of thunderstorms
in the morning. slight chance of showers through the day. waves
1 to 2 feet. 
.friday night...east wind 5 to 10 knots backing northwest late in
the evening, then veering north after midnight becoming north
5 to 10 knots early in the morning. chance of showers and
thunderstorms. waves around 1 foot. 
.saturday...north wind 10 to 15 knots veering northeast late in
the morning, then becoming northeast 10 to 15 knots in the
afternoon. chance of showers and slight chance of thunderstorms
in the morning. waves 1 to 2 feet. 

$$

fzus53 kmkx 040210
nshmkx
expires:202609041000;;864835

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt thu sep 3 2026

for waters within five nautical miles of shore on lake michigan


lmz646-041000-
wind point wi to winthrop harbor il-
910 pm cdt thu sep 3 2026

.rest of tonight...southeast wind 5 to 10 knots veering south
early in the morning. slight chance of showers and thunderstorms
just before midnight. chance of showers and thunderstorms early
in the morning. waves around 1 foot. 
.friday...east wind 10 to 15 knots veering southeast late in the
morning, then becoming south 5 to 10 knots early in the afternoon
backing southeast late in the afternoon. slight chance of showers
and thunderstorms in the morning. waves 1 to 2 feet. 
.friday night...southeast wind 5 to 10 knots backing northwest
late in the evening, then veering north after midnight becoming
north 5 to 10 knots early in the morning. chance of showers and
thunderstorms through the night. waves around 1 foot. 
.saturday...north wind 10 to 15 knots veering northeast late in
the morning, then becoming northeast 10 to 15 knots in the
afternoon. chance of showers and slight chance of thunderstorms
in the morning. waves 1 to 2 feet. 

$$