fzus53 kapx 170656
nshapx
expires:202609171500;;587813

nearshore marine forecast
national weather service gaylord mi
256 am 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.


lmz346-171500-
manistee to point betsie mi-
256 am edt thu sep 17 2026

.rest of the overnight...light winds. scattered showers. waves
2 feet or less. 
.today...northeast wind 5 to 10 knots. scattered showers. 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. mostly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 171336
nshgrb
expires:202609171600;;602568

nearshore marine forecast
national weather service green bay wi
836 am cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-171600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
836 am cdt thu sep 17 2026

.today...ne wind 5 to 10 kts. waves 2 ft or less. rain showers
likely in the morning. 
.tonight...ne wind 10 to 15 kts. waves 1 to 3 ft. mostly clear. 
.friday...ne wind 10 to 15 kts. waves 1 to 3 ft. a chance of
showers in the afternoon. 
.friday night...e wind 15 to 25 kts. waves 5 to 8 ft. a chance of
showers in the evening, then showers after midnight. a small
craft advisory may be needed.  

$$

fzus53 kgrr 171336
nshgrr
expires:202609172100;;602560

nearshore marine forecast
national weather service grand rapids mi
936 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-172100-
pentwater to manistee mi-
936 am edt thu sep 17 2026

.rest of today...east winds 5 to 15 knots backing north early in the
afternoon. mostly cloudy late in the morning then becoming mostly
sunny. a slight chance of rain showers late in the morning. waves
1 foot or less. 
.tonight...north winds 5 to 15 knots veering northeast after
midnight. partly cloudy. waves around 1 foot. 
.friday...northeast winds 5 to 15 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots. cloudy with rain showers.
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. 
.sunday...northeast winds 15 to 25 knots. partly sunny. waves 2 to
4 feet. 
.monday...east winds 10 to 20 knots. mostly cloudy. waves 1 to
2 feet. 

$$

fzus53 kgrr 171336
nshgrr
expires:202609172100;;602565

nearshore marine forecast
national weather service grand rapids mi
936 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-172100-
st joseph to south haven mi-
936 am edt thu sep 17 2026

.rest of today...northeast winds 5 to 10 knots backing north early
in the afternoon. mostly cloudy. a slight chance of showers and
thunderstorms late in the morning, then a slight chance of rain
showers in the afternoon. 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. partly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots. mostly cloudy with a
slight chance of rain showers. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. rain showers and a
slight chance of thunderstorms. waves around 1 foot. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with rain
showers likely and a chance of thunderstorms. waves 2 to 4 feet. 
.monday...east winds 15 to 25 knots. mostly cloudy with a chance of
rain showers. waves 1 to 3 feet. 

$$

fzus53 kgrr 171336
nshgrr
expires:202609172100;;602564

nearshore marine forecast
national weather service grand rapids mi
936 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-172100-
south haven to holland mi-
936 am edt thu sep 17 2026

.rest of today...northeast winds around 10 knots backing north early
in the afternoon. mostly cloudy. a slight chance of rain showers
late in the morning. waves less than 1 foot. 
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves
1 foot or less. 
.friday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.friday night...east winds 10 to 20 knots. mostly cloudy with rain
showers likely. waves around 1 foot. 
.saturday...southeast winds 15 to 20 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 2 feet. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with rain
showers likely and a chance of thunderstorms. waves 1 to 3 feet. 
.monday...east winds 15 to 25 knots. mostly cloudy with a chance of
rain showers. waves 1 to 2 feet. 

$$

fzus53 kgrr 171336
nshgrr
expires:202609172100;;602563

nearshore marine forecast
national weather service grand rapids mi
936 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-172100-
holland to grand haven mi-
936 am edt thu sep 17 2026

.rest of today...east winds 10 to 15 knots backing northeast early
in the afternoon. mostly cloudy. a slight chance of rain showers
late in the morning. waves 1 foot or less. 
.tonight...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves 1 foot or less. 
.friday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.friday night...east winds 15 to 25 knots. cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...southeast winds 15 to 25 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 3 feet. 
.sunday...northeast winds 15 to 25 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 1 to 3 feet. 
.monday...east winds 20 to 25 knots. mostly cloudy. waves 2 to
4 feet. 

$$

fzus53 kgrr 171336
nshgrr
expires:202609172100;;602562

nearshore marine forecast
national weather service grand rapids mi
936 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-172100-
grand haven to whitehall mi-
936 am edt thu sep 17 2026

.rest of today...east winds 10 to 15 knots backing northeast early
in the afternoon. mostly cloudy. a slight chance of rain showers
late in the morning. waves 1 foot or less. 
.tonight...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves around 1 foot. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 
.friday night...east winds 15 to 25 knots. cloudy with rain showers.
waves 1 to 3 feet. 
.saturday...southeast winds 20 to 25 knots. rain showers and a
chance of thunderstorms. waves 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet. 
.monday...east winds 20 to 25 knots. mostly cloudy. waves 1 to
3 feet. 

$$

fzus53 kgrr 171336
nshgrr
expires:202609172100;;602561

nearshore marine forecast
national weather service grand rapids mi
936 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-172100-
whitehall to pentwater mi-
936 am edt thu sep 17 2026

.rest of today...east winds 10 to 15 knots backing north early in
the afternoon. mostly cloudy. a slight chance of rain showers late
in the morning. waves 1 foot or less. 
.tonight...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves around 1 foot. 
.friday...northeast winds 10 to 15 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 10 to 20 knots increasing to 15 to
25 knots after midnight. cloudy with rain showers. waves 1 to
3 feet. 
.saturday...southeast winds 20 to 25 knots. rain showers and a
slight chance of thunderstorms. waves 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots. mostly cloudy. waves 2 to
4 feet. 
.monday...east winds 15 to 25 knots. mostly cloudy. waves 1 to
2 feet. 

$$

fzus53 kiwx 170747
nshiwx
expires:202609171515;;589581

nearshore marine forecast
national weather service northern indiana
347 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-171515-
michigan city in to new buffalo mi-
347 am edt thu sep 17 2026

.today...light and variable winds. showers likely with a chance
of thunderstorms this morning. waves 1 foot or less. 
.tonight...north winds 5 to 10 knots becoming northeast. mostly
cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots becoming east. mostly
cloudy. waves 2 feet or less. 
.friday night...east winds 5 to 15 knots becoming southeast.
showers likely overnight. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 55 degrees and at michigan
city is 51 degrees.

$$

fzus53 kiwx 170747
nshiwx
expires:202609171515;;589580

nearshore marine forecast
national weather service northern indiana
347 am edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-171515-
new buffalo mi to st joseph mi-
347 am edt thu sep 17 2026

.today...light and variable winds. showers likely with a chance
of thunderstorms in the morning. waves 1 foot or less. 
.tonight...north winds 5 to 10 knots becoming northeast. mostly
cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots becoming east. partly
sunny. waves 2 feet or less. 
.friday night...east winds 5 to 15 knots becoming southeast. a
chance of showers overnight. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 55 degrees and at michigan
city is 51 degrees.

$$

fzus53 klot 170815
nshlot
expires:202609172115;;591194

nearshore marine forecast
national weather service chicago/romeoville il
315 am 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>745-172115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
315 am cdt thu sep 17 2026
 
.today...variable winds around 5 kt becoming north around 10 kt
this afternoon. showers likely and a chance of thunderstorms in 
the morning. waves 1 to 2 ft. 
.tonight...north winds 10 to 15 kt becoming northeast late.
mostly cloudy. waves 1 to 2 ft building to 2 to 4 ft. 
.friday...east winds 10 to 15 kt. mostly cloudy. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.friday night...east winds 10 to 15 kt becoming southeast 15 to
20 kt. showers likely and slight chance of thunderstorms
overnight. waves 2 to 4 ft.  

$$

fzus53 klot 170815
nshlot
expires:202609172115;;591193

nearshore marine forecast
national weather service chicago/romeoville il
315 am 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>742-172115-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
315 am cdt thu sep 17 2026

.today...north winds around 10 kt. showers likely and a chance of
thunderstorms in the morning. waves 1 to 3 ft. 
.tonight...north winds 10 to 15 kt becoming northeast. mostly
cloudy. waves 1 to 3 ft building to 2 to 4 ft. 
.friday...east winds 10 to 15 kt. mostly cloudy. waves 2 to 4 ft.
.friday night...east winds 15 to 20 kt becoming southeast. chance
of showers in the evening, then showers likely and slight chance
of thunderstorms overnight. waves 3 to 5 ft building to 4 to 7 ft
occasionally to 9 ft. a small craft advisory will likely be
needed.  

$$

fzus53 kmkx 171210
nshmkx
expires:202609171600;;600271

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

for waters within five nautical miles of shore on lake michigan


lmz645-171600-
north point light to wind point wi-
710 am cdt thu sep 17 2026

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

$$

fzus53 kmkx 171210
nshmkx
expires:202609171600;;600269

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

for waters within five nautical miles of shore on lake michigan


lmz643-171600-
sheboygan to port washington wi-
710 am cdt thu sep 17 2026

.today...northeast 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 becoming northeast 10 to 15 knots late in the
afternoon. showers likely in the morning, then slight chance of
showers in the late morning and early afternoon. waves 1 to
2 feet. 
.tonight...northeast wind 10 to 15 knots. mostly cloudy through
around midnight then becoming partly cloudy. waves 1 to 2 feet. 
.friday...east wind 10 to 15 knots. chance of showers in the
afternoon. waves 2 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 15 to
25 knots late in the evening, then rising to up to 30 knots after
midnight veering southeast early in the morning. showers likely
through around midnight, then showers and slight chance of
thunderstorms after midnight. waves 3 to 5 feet building to 7 to
9 feet. a small craft advisory may be needed. 

$$

fzus53 kmkx 171210
nshmkx
expires:202609171600;;600270

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

for waters within five nautical miles of shore on lake michigan


lmz644-171600-
port washington to north point light wi-
710 am cdt thu sep 17 2026

.today...north wind 5 to 10 knots veering northeast late in the
morning, then rising to 10 to 15 knots early in the afternoon
becoming northeast 10 to 15 knots late in the afternoon. chance
of showers in the morning, then slight chance of showers in the
late morning and early afternoon. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots. mostly cloudy through
around midnight then becoming partly cloudy. waves 1 to 2 feet. 
.friday...east wind 10 to 15 knots. chance of showers in the
afternoon. waves 3 to 4 feet. 
.friday night...east wind 15 to 20 knots becoming 15 to 25 knots
late in the evening, then rising to up to 30 knots after midnight
veering southeast early in the morning. showers likely through
around midnight, then showers and slight chance of thunderstorms
after midnight. waves 2 to 4 feet building to 7 to 9 feet. a
small craft advisory may be needed. 

$$

fzus53 kmkx 171210
nshmkx
expires:202609171600;;600272

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

for waters within five nautical miles of shore on lake michigan


lmz646-171600-
wind point wi to winthrop harbor il-
710 am cdt thu sep 17 2026

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

$$