fzus53 kapx 150635
nshapx
expires:202609151445;;477228

nearshore marine forecast
national weather service gaylord mi
235 am edt tue sep 15 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.


lmz346-151445-
manistee to point betsie mi-
235 am edt tue sep 15 2026

...gale warning in effect through this afternoon...

.rest of the overnight...south wind up to 30 knots with gusts to
around 35 knots. rain and a chance of thunderstorms. waves 4 to
7 feet. waves occasionally around 9 feet. 
.today...southwest wind 15 to 25 knots with gusts to around
35 knots. scattered showers. waves 6 to 9 feet. 
.tonight...north wind 10 to 15 knots. partly cloudy. waves 3 to
5 feet. 
.wednesday...light winds. mostly sunny. waves 2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 150956
nshgrb
expires:202609151600;;484852

nearshore marine forecast
national weather service green bay wi
456 am cdt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-151600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
456 am cdt tue sep 15 2026

...gale warning in effect until 7 am cdt this morning...
...small craft advisory in effect through this evening...

.early this morning...s wind to 30 kts with gale force gusts to
around 35 kts. waves 8 to 12 ft. showers likely and a chance of
thunderstorms. 
.today...sw wind 15 to 25 kts veering w 10 to 15 kts early in the
afternoon. waves 8 to 12 ft subsiding to 5 to 8 ft in the
afternoon. a slight chance of showers in the morning. 
.tonight...nw wind 5 to 10 kts veering n after midnight. waves
3 to 5 ft subsiding to 1 to 3 ft after midnight. mostly clear. a
small craft advisory may be needed. 
.wednesday...n wind 5 to 10 kts veering ne in the late morning
and afternoon. waves 2 ft or less. mostly sunny. 
.wednesday night...e wind 5 to 10 kts. waves 2 ft or less. a
chance of showers.  

$$

fzus53 kgrr 150906
nshgrr
expires:202609152000;;482913

nearshore marine forecast
national weather service grand rapids mi
506 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz847-152000-
grand haven to whitehall mi-
506 am edt tue sep 15 2026

...gale warning in effect until 8 am edt this morning...

.today...south gales to 35 knots veering southwest to 30 knots early
in the afternoon. rain showers and a chance of thunderstorms in the
morning, then a chance of rain showers and a slight chance of
thunderstorms in the afternoon. waves 7 to 10 feet. 
.tonight...west winds 15 to 20 knots veering north 10 to 15 knots
after midnight. partly cloudy. waves 4 to 6 feet subsiding to 2 to
4 feet after midnight. 
.wednesday...northeast winds 5 to 15 knots. partly sunny. waves 1 to
2 feet. 
.wednesday night...east winds 10 to 15 knots. mostly cloudy with
rain showers likely and a slight chance of thunderstorms. waves
1 foot or less. 
.thursday...east winds 10 to 15 knots backing northwest early in the
afternoon. mostly cloudy with rain showers likely and a slight
chance of thunderstorms. waves 1 foot or less. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...southeast winds to 30 knots veering south early in the
afternoon. rain showers and a chance of thunderstorms. waves 4 to
6 feet building to 5 to 7 feet early in the afternoon. 

$$

fzus53 kgrr 150906
nshgrr
expires:202609152000;;482912

nearshore marine forecast
national weather service grand rapids mi
506 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz848-152000-
whitehall to pentwater mi-
506 am edt tue sep 15 2026

...gale warning in effect until 8 am edt this morning...

.today...south gales to 35 knots veering southwest to 30 knots early
in the afternoon. rain showers and a chance of thunderstorms in the
morning, then a chance of rain showers in the afternoon. waves 7 to
11 feet. 
.tonight...west winds 10 to 20 knots veering northeast after
midnight. partly cloudy. waves 4 to 6 feet subsiding to 2 to 4 feet
after midnight. 
.wednesday...northeast winds 10 to 15 knots. partly sunny. waves
2 to 4 feet. 
.wednesday night...northeast winds 10 to 15 knots veering east in
the late evening and overnight. partly cloudy with a chance of rain
showers and a slight chance of thunderstorms. waves 1 foot or less. 
.thursday...east winds around 10 knots backing north early in the
afternoon. mostly cloudy with a slight chance of rain showers. waves
around 1 foot. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...southeast winds to 30 knots. rain showers and a chance
of thunderstorms. waves 4 to 6 feet building to 5 to 7 feet early in
the afternoon. 

$$

fzus53 kgrr 150906
nshgrr
expires:202609152000;;482911

nearshore marine forecast
national weather service grand rapids mi
506 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz849-152000-
pentwater to manistee mi-
506 am edt tue sep 15 2026

...gale warning in effect until 8 am edt this morning...

.today...south gales to 35 knots veering southwest to 30 knots in
the late morning and afternoon. mostly cloudy. a chance of showers
and thunderstorms in the morning, then a chance of rain showers in
the afternoon. waves 7 to 10 feet. 
.tonight...west winds 10 to 20 knots veering north after midnight.
partly cloudy. waves 4 to 6 feet subsiding to 2 to 4 feet after
midnight. 
.wednesday...northeast winds 5 to 15 knots. partly sunny. waves 2 to
4 feet. 
.wednesday night...northeast winds 5 to 15 knots veering east in the
late evening and overnight. partly cloudy with a chance of rain
showers. waves 1 foot or less. 
.thursday...east winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. partly sunny. waves around 1 foot. 
.friday...east winds 5 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...southeast winds 15 to 25 knots. rain showers and a
chance of thunderstorms. waves 2 to 4 feet building to 4 to 6 feet
in the late morning and afternoon. 

$$

fzus53 kgrr 150906
nshgrr
expires:202609152000;;482916

nearshore marine forecast
national weather service grand rapids mi
506 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz844-152000-
st joseph to south haven mi-
506 am edt tue sep 15 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.today...south winds to 30 knots becoming southwest 10 to 20 knots
early in the afternoon. rain showers and a chance of thunderstorms
in the morning, then a chance of rain showers and a slight chance of
thunderstorms in the afternoon. waves 3 to 5 feet subsiding to 2 to
4 feet early in the afternoon. 
.tonight...northwest winds around 10 knots veering north in the late
evening and overnight. partly cloudy with a chance of rain showers
and a slight chance of thunderstorms. waves 1 to 3 feet. 
.wednesday...northeast winds 10 to 15 knots. partly sunny with a
chance of rain showers. waves 1 to 3 feet. 
.wednesday night...east winds around 10 knots veering southeast
after midnight. partly cloudy with rain showers likely and a chance
of thunderstorms. waves around 1 foot. 
.thursday...southwest winds around 10 knots veering northwest in the
late morning and afternoon. rain showers likely and a chance of
thunderstorms. waves around 1 foot. 
.friday...east winds 10 to 15 knots. partly sunny. waves around
1 foot. 
.saturday...south winds 15 to 20 knots veering southwest early in
the afternoon. partly sunny with rain showers likely. waves 1 to
3 feet. 

$$

fzus53 kgrr 150906
nshgrr
expires:202609152000;;482915

nearshore marine forecast
national weather service grand rapids mi
506 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz845-152000-
south haven to holland mi-
506 am edt tue sep 15 2026

...small craft advisory in effect until 5 pm edt this afternoon...

.today...south winds to 30 knots veering southwest 15 to 20 knots
early in the afternoon. rain showers likely and a chance of
thunderstorms in the morning, then a chance of rain showers and a
slight chance of thunderstorms in the afternoon. waves 4 to 6 feet. 
.tonight...west winds 10 to 15 knots veering north after midnight.
partly cloudy with a slight chance of showers and thunderstorms.
waves 2 to 4 feet. 
.wednesday...northeast winds 10 to 15 knots. mostly cloudy with a
chance of rain showers. waves 1 to 3 feet. 
.wednesday night...east winds 10 to 15 knots veering southeast after
midnight. partly cloudy with rain showers likely and a chance of
thunderstorms. waves 1 foot or less. 
.thursday...north winds around 10 knots backing northwest early in
the afternoon. mostly cloudy with rain showers likely and a chance
of thunderstorms. waves 1 foot or less. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...south winds 15 to 25 knots. mostly cloudy with a chance
of rain showers. waves 1 to 3 feet building to 2 to 4 feet early in
the afternoon. 

$$

fzus53 kgrr 150906
nshgrr
expires:202609152000;;482914

nearshore marine forecast
national weather service grand rapids mi
506 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz846-152000-
holland to grand haven mi-
506 am edt tue sep 15 2026

...gale warning in effect until 8 am edt this morning...

.today...south gales to 35 knots becoming southwest 15 to 25 knots.
rain showers and a chance of thunderstorms in the morning, then a
chance of rain showers and a slight chance of thunderstorms in the
afternoon. waves 6 to 9 feet. 
.tonight...west winds around 15 knots veering north after midnight.
partly cloudy. waves 3 to 5 feet subsiding to 2 to 4 feet in the
late evening and overnight. 
.wednesday...northeast winds 10 to 15 knots. mostly cloudy. waves
1 to 2 feet. 
.wednesday night...east winds 10 to 15 knots veering southeast after
midnight. mostly cloudy with rain showers likely and a slight chance
of thunderstorms. waves 1 foot or less. 
.thursday...east winds 10 to 15 knots backing northwest early in the
afternoon. mostly cloudy with rain showers likely and a slight
chance of thunderstorms. waves 1 foot or less. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 
.saturday...southeast winds 20 to 25 knots veering south early in
the afternoon. rain showers and a chance of thunderstorms. waves
3 to 5 feet. 

$$

fzus53 kiwx 150837
nshiwx
expires:202609151415;;481979

nearshore marine forecast
national weather service northern indiana
437 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz046-151415-
michigan city in to new buffalo mi-
437 am edt tue sep 15 2026

...small craft advisory in effect until 11 am edt this morning...

.today...southeast winds 15 to 25 knots becoming southwest 5 to
15 knots. a chance of showers and thunderstorms. waves 1 to 3 
feet subsiding to 1 foot or less. 
.tonight...northwest winds 5 to 10 knots becoming northeast.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. showers likely with a
chance of thunderstorms in the morning, then a chance of showers
and thunderstorms in the afternoon. waves 1 to 2 feet. 
.wednesday night...northeast winds 10 knots or less becoming
south. a chance of showers with a slight chance of thunderstorms
in the evening, then showers likely with a chance of
thunderstorms overnight. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 50 degrees and at michigan
city is 53 degrees.

$$

fzus53 kiwx 150837
nshiwx
expires:202609151415;;481978

nearshore marine forecast
national weather service northern indiana
437 am edt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz043-151415-
new buffalo mi to st joseph mi-
437 am edt tue sep 15 2026

...small craft advisory in effect until 11 am edt this morning...

.today...southeast winds 15 to 25 knots becoming southwest 5 to
15 knots. showers likely with a chance of thunderstorms this 
morning, then a chance of showers and thunderstorms this 
afternoon. waves 1 to 3 feet. 
.tonight...northwest winds 5 to 10 knots becoming northeast.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 1 to 2 feet. 
.wednesday night...northeast winds 10 knots or less becoming
south. a chance of showers with a slight chance of thunderstorms
in the evening, then showers likely with a chance of
thunderstorms overnight. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 50 degrees and at michigan
city is 53 degrees.

$$

fzus53 klot 150817
nshlot
expires:202609152130;;481493

nearshore marine forecast
national weather service chicago/romeoville il
317 am cdt tue sep 15 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>742-152130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
317 am cdt tue sep 15 2026

...small craft advisory in effect until 9 am cdt this morning...

.early this morning...south winds to 30 kt. chance of showers and
thunderstorms. waves 4 to 7 ft occasionally to 9 ft. 
.today...southwest winds 15 to 20 kt becoming west 10 to 15 kt
this afternoon. showers and a chance of thunderstorms in the 
morning, then chance of showers and slight chance of thunderstorms
in the afternoon. waves 3 to 6 ft occasionally to 8 ft subsiding 
to 1 to 3 ft. 
.tonight...northwest winds 10 to 15 kt becoming northeast late.
slight chance of showers and thunderstorms in the evening, then
chance of showers and slight chance of thunderstorms after
midnight. waves 1 to 3 ft building to 2 to 4 ft. 
.wednesday...northeast winds 10 to 15 kt. chance of showers in
the morning, then slight chance of showers in the afternoon.
waves 2 to 4 ft. 
.wednesday night...east winds around 10 kt becoming south
overnight. chance of showers and slight chance of thunderstorms.
waves 2 to 4 ft subsiding to 1 to 3 ft.  

$$

fzus53 klot 150817
nshlot
expires:202609152130;;481494

nearshore marine forecast
national weather service chicago/romeoville il
317 am cdt tue sep 15 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>745-152130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
317 am cdt tue sep 15 2026

...small craft advisory in effect until 7 am cdt this morning...

.early this morning...south winds to 30 kt. mostly cloudy. waves 
2 to 4 ft. 
.today...south winds 15 to 20 kt becoming southwest and 
diminishing to 10 to 15 kt through the morning, then turning west
this afternoon. chance of showers and thunderstorms. waves 2 to 4
ft subsiding to 1 to 2 ft.
.tonight...north winds 10 to 15 kt becoming northeast late.
showers likely and a chance of thunderstorms. waves 1 to 2 ft 
building to 2 to 4 ft. 
.wednesday...northeast winds around 10 kt. chance of showers in
the morning, then chance of showers and slight chance of
thunderstorms in the afternoon. waves 2 to 4 ft. 
.wednesday night...east winds around 10 kt becoming south
overnight. chance of showers and slight chance of thunderstorms
in the evening, then showers likely and a chance of thunderstorms
overnight. waves 1 to 3 ft.  

$$

fzus53 kmkx 150810
nshmkx
expires:202609152100;;481265

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz643-152100-
sheboygan to port washington wi-
310 am cdt tue sep 15 2026

...gale warning in effect until 7 am cdt this morning...

.early this morning...south wind 15 to 25 knots rising to up to
30 knots early in the morning. showers and a chance of
thunderstorms. waves 7 to 9 feet. 
.today...south wind 15 to 25 knots with gusts to around 30 knots
veering southwest late in the morning, then becoming 15 to
20 knots with gusts to around 25 knots early in the afternoon
becoming west 10 to 15 knots with gusts to around 20 knots late
in the afternoon. showers likely and a chance of thunderstorms in
the morning, then scattered showers and isolated thunderstorms
late in the morning. isolated showers early in the afternoon.
waves 6 to 8 feet subsiding to 3 to 5 feet. 
.tonight...northwest wind 10 to 15 knots veering north 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. 
.wednesday...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. partly sunny. waves 3 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.wednesday night...northeast wind 10 to 15 knots veering east
late in the evening, then easing to 5 to 10 knots after midnight
backing north early in the morning. slight chance of showers
through around midnight, then chance of showers and slight chance
of thunderstorms after midnight. waves 1 to 2 feet. 

$$

fzus53 kmkx 150810
nshmkx
expires:202609152100;;481267

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz645-152100-
north point light to wind point wi-
310 am cdt tue sep 15 2026

...small craft advisory in effect until 7 am cdt this morning...

.early this morning...south wind 10 to 20 knots rising to 15 to
25 knots early in the morning. showers and a chance of
thunderstorms. waves 5 to 7 feet. 
.today...south wind 15 to 25 knots veering southwest 15 to
20 knots with gusts to around 25 knots late in the morning, then
easing to 10 to 15 knots with gusts to around 20 knots early in
the afternoon veering west late in the afternoon. showers and a
chance of thunderstorms in the morning, then scattered showers in
the afternoon. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.tonight...northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the evening, then veering north after midnight 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. 
.wednesday...northeast wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then becoming northeast 10 to
15 knots late in the afternoon. mostly cloudy. waves 3 to 4 feet.
.wednesday night...northeast wind 10 to 15 knots veering east
late in the evening, then becoming southeast 5 to 10 knots after
midnight veering northwest early in the morning. chance of
showers and slight chance of thunderstorms through the night.
waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening
and overnight. 

$$

fzus53 kmkx 150810
nshmkx
expires:202609152100;;481268

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz646-152100-
wind point wi to winthrop harbor il-
310 am cdt tue sep 15 2026

...small craft advisory in effect until 7 am cdt this morning...

.early this morning...south wind 10 to 20 knots rising to 15 to
25 knots early in the morning. showers and a chance of
thunderstorms. waves 6 to 8 feet subsiding to 5 to 7 feet early
in the morning. 
.today...southwest wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then easing to 10 to 15 knots with gusts to
around 20 knots early in the afternoon veering west late in the
afternoon. showers and a chance of thunderstorms in the morning,
then scattered showers in the afternoon. waves 3 to 5 feet
subsiding to 1 to 2 feet. 
.tonight...northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the evening, then veering north after midnight becoming
10 to 20 knots early in the morning. mostly cloudy. waves 1 to
2 feet building to 2 to 4 feet early in the morning. 
.wednesday...northeast wind 15 to 20 knots easing to 10 to
15 knots in the afternoon. mostly cloudy. waves 3 to 4 feet. 
.wednesday night...northeast wind 10 to 15 knots veering east
late in the evening, then becoming southeast 5 to 10 knots after
midnight veering southwest early in the morning. chance of
showers and thunderstorms through the night. waves 2 to 4 feet
subsiding to 1 to 2 feet in the late evening and overnight. 

$$

fzus53 kmkx 150810
nshmkx
expires:202609152100;;481266

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt tue sep 15 2026

for waters within five nautical miles of shore on lake michigan


lmz644-152100-
port washington to north point light wi-
310 am cdt tue sep 15 2026

...gale warning in effect until 7 am cdt this morning...

.early this morning...south wind 15 to 20 knots becoming 15 to
25 knots early in the morning. showers and a chance of
thunderstorms. waves 6 to 8 feet subsiding to 5 to 7 feet early
in the morning. 
.today...south wind 15 to 25 knots veering southwest 15 to
20 knots with gusts to around 25 knots late in the morning, then
becoming southwest 15 to 20 knots early in the afternoon becoming
west 10 to 15 knots late in the afternoon. numerous showers and a
chance of thunderstorms in the morning, then scattered showers in
the afternoon. waves 4 to 6 feet subsiding to 1 to 2 feet. 
.tonight...northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the evening, then veering north after midnight becoming
10 to 20 knots early in the morning. mostly cloudy through around
midnight then becoming partly cloudy. waves around 1 foot
building to 2 to 4 feet early in the morning. 
.wednesday...northeast wind 15 to 20 knots becoming east 10 to
15 knots early in the afternoon, then backing northeast late in
the afternoon. partly sunny. waves 3 to 4 feet. 
.wednesday night...northeast wind 10 to 15 knots veering east
late in the evening, then easing to 5 to 10 knots after midnight
backing north early in the morning. slight chance of showers
through around midnight. slight chance of thunderstorms through
the night. chance of showers after midnight. waves 1 to 3 feet. 

$$