fzus53 kapx 180245
nshapx
expires:202609181045;;632841

nearshore marine forecast
national weather service gaylord mi
1045 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.


lmz346-181045-
manistee to point betsie mi-
1045 pm edt thu sep 17 2026

.overnight...northeast wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.friday...northeast wind 5 to 10 knots. slight chance of rain.
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 180516
nshgrb
expires:202609181000;;637477

nearshore marine forecast
national weather service green bay wi
1216 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-181000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1216 am cdt fri sep 18 2026

.rest of the night...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 2 to 4 ft building to 4 to 7 ft after
midnight. 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 180516
nshgrr
expires:202609180800;;637480

nearshore marine forecast
national weather service grand rapids mi
116 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
116 am edt fri sep 18 2026

.rest of tonight...northeast winds 10 to 15 knots. mostly clear.
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 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 and a slight chance of thunderstorms. waves 1 to
2 feet. 
.sunday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 2 to 4 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 kgrr 180516
nshgrr
expires:202609180800;;637481

nearshore marine forecast
national weather service grand rapids mi
116 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
116 am edt fri sep 18 2026

.rest of tonight...northeast winds 10 to 15 knots. mostly clear.
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 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 1 to 2 feet. 
.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 180516
nshgrr
expires:202609180800;;637482

nearshore marine forecast
national weather service grand rapids mi
116 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
116 am edt fri sep 18 2026

.rest of tonight...northeast winds 10 to 15 knots. 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 1 to 2 feet. 
.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 2 to 4 feet. 
.tuesday...northeast winds 20 to 25 knots. partly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 180516
nshgrr
expires:202609180800;;637484

nearshore marine forecast
national weather service grand rapids mi
116 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
116 am edt fri sep 18 2026

.rest of tonight...northeast winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.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 around
1 foot. 
.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 2 to 4 feet. 
.tuesday...northeast winds 15 to 20 knots. partly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 180516
nshgrr
expires:202609180800;;637483

nearshore marine forecast
national weather service grand rapids mi
116 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
116 am edt fri sep 18 2026

.rest of tonight...northeast winds 10 to 15 knots. 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 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 3 feet. 
.tuesday...northeast winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 180516
nshgrr
expires:202609180800;;637479

nearshore marine forecast
national weather service grand rapids mi
116 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
116 am edt fri sep 18 2026

.rest of tonight...northeast winds 10 to 15 knots. mostly clear.
waves around 1 foot. 
.friday...northeast winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday night...east winds 10 to 20 knots becoming after midnight.
rain showers likely. waves 1 to 2 feet. 
.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 kiwx 180247
nshiwx
expires:202609180830;;632849

nearshore marine forecast
national weather service northern indiana
1047 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-180830-
new buffalo mi to st joseph mi-
1047 pm edt thu sep 17 2026

.rest of tonight...north winds 5 to 10 knots becoming northeast.
a slight chance of showers and thunderstorms late this evening.
waves 1 to 2 feet. 
.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 180247
nshiwx
expires:202609180830;;632850

nearshore marine forecast
national weather service northern indiana
1047 pm edt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-180830-
michigan city in to new buffalo mi-
1047 pm edt thu sep 17 2026

.rest of tonight...north winds 5 to 10 knots becoming northeast.
a slight chance of showers and thunderstorms late this evening.
waves 1 to 2 feet. 
.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 180237
nshlot
expires:202609180915;;632647

nearshore marine forecast
national weather service chicago/romeoville il
937 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>745-180915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
937 pm cdt thu sep 17 2026

.rest of tonight...northeast winds 10 to 15 kt. mostly cloudy. 
waves 1 to 3 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 klot 180237
nshlot
expires:202609180915;;632646

nearshore marine forecast
national weather service chicago/romeoville il
937 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.


lmz741-742-180915-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
937 pm cdt thu sep 17 2026

.rest of tonight...northeast winds 10 to 15 kt. patchy fog late
in the evening. waves 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 180237
nshlot
expires:202609180915;;632645

nearshore marine forecast
national weather service chicago/romeoville il
937 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.


lmz740-180915-
winthrop harbor to wilmette harbor il-
937 pm cdt thu sep 17 2026

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

.rest of tonight...northeast winds 10 to 15 kt. patchy fog late
in the evening. waves 2 to 4 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 kmkx 180410
nshmkx
expires:202609181000;;635758

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-181000-
wind point wi to winthrop harbor il-
1110 pm cdt thu sep 17 2026

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

.rest of tonight...northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. patchy fog after midnight. waves
3 to 4 feet. 
.friday...northeast wind 15 to 20 knots veering east in the late
morning and early afternoon, then backing northeast late in the
afternoon. partly sunny. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. chance of showers
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 to 4 feet building to 5 to
7 feet. 
.saturday...southeast wind 15 to 25 knots backing east 15 to
20 knots late in the afternoon. showers in the morning. chance of
thunderstorms through the day. showers likely in the afternoon.
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 180410
nshmkx
expires:202609181000;;635755

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-181000-
sheboygan to port washington wi-
1110 pm cdt thu sep 17 2026

.rest of tonight...northeast wind 10 to 15 knots becoming 10 to
20 knots early in the morning. partly cloudy. waves 1 to 2 feet
building to 2 to 4 feet early in the morning. 
.friday...northeast wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then rising to 15 to 20 knots late in the
afternoon. slight chance of showers in the afternoon. waves 3 to
4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and early morning, then veering
southeast early in the morning. rain showers likely through
around midnight, then showers and 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...southeast wind up to 30 knots becoming east 15 to
25 knots in the late morning and afternoon. rain showers in the
morning. slight chance of thunderstorms through the day. chance
of showers in the afternoon. waves 5 to 7 feet building to 6 to
8 feet in the late morning and afternoon. 

$$

fzus53 kmkx 180410
nshmkx
expires:202609181000;;635757

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-181000-
north point light to wind point wi-
1110 pm cdt thu sep 17 2026

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

.rest of tonight...northeast wind 10 to 15 knots rising to 15 to
20 knots early in the morning. patchy fog after midnight. waves
3 to 4 feet. 
.friday...northeast wind 15 to 20 knots veering east late in the
morning, then becoming northeast 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. 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 backing east early in
the afternoon, then becoming 15 to 20 knots late in the
afternoon. showers in the morning. chance of thunderstorms
through the day. showers likely in the afternoon. waves 6 to
8 feet subsiding to 5 to 7 feet early in the afternoon, then
subsiding to 4 to 6 feet late in the afternoon. 

$$

fzus53 kmkx 180410
nshmkx
expires:202609181000;;635756

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 pm cdt thu sep 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-181000-
port washington to north point light wi-
1110 pm cdt thu sep 17 2026

.rest of tonight...northeast wind 10 to 15 knots becoming 10 to
20 knots early in the morning. patchy fog after midnight. 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 becoming northeast 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. 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. 
.saturday...southeast wind 15 to 25 knots backing east late in
the afternoon. gusts up to 30 knots. showers in the morning.
chance of thunderstorms through the day. showers likely in the
afternoon. waves 6 to 8 feet. 

$$