fzus53 kapx 181432
nshapx
expires:202609182245;;658724

nearshore marine forecast
national weather service gaylord mi
1032 am edt fri sep 18 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.


lmz346-182245-
manistee to point betsie mi-
1032 am edt fri sep 18 2026

.today...northeast wind 5 to 10 knots. partly sunny in the late
morning then becoming cloudy. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. scattered showers. waves
2 feet or less. 
.saturday...east wind 5 to 10 knots. scattered showers. waves
2 feet or less. 
.saturday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrr 181336
nshgrr
expires:202609182100;;656880

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

for waters within five nautical miles of shore on lake michigan


lmz845-182100-
south haven to holland mi-
936 am edt fri sep 18 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny. waves
1 foot or less. 
.tonight...east winds 10 to 20 knots. mostly cloudy with a chance of
rain showers. 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 15 to 20 knots. rain showers and a
chance of thunderstorms. waves around 1 foot. 
.sunday...northeast winds 15 to 20 knots. rain showers likely. waves
1 to 2 feet. 
.monday...east winds 20 to 25 knots. mostly cloudy with a chance of
rain showers. waves 2 to 4 feet. 
.tuesday...northeast winds 15 to 25 knots. partly sunny with a
chance of rain showers. waves 1 to 3 feet. 

$$

fzus53 kgrr 181336
nshgrr
expires:202609182100;;656879

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

for waters within five nautical miles of shore on lake michigan


lmz846-182100-
holland to grand haven mi-
936 am edt fri sep 18 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 
.tonight...east winds 15 to 25 knots. rain showers likely. waves
1 to 2 feet. 
.saturday...east winds 15 to 25 knots. rain showers likely 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 rain
showers likely. 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. mostly cloudy. waves 1 to
3 feet. 

$$

fzus53 kgrr 181336
nshgrr
expires:202609182100;;656878

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

for waters within five nautical miles of shore on lake michigan


lmz847-182100-
grand haven to whitehall mi-
936 am edt fri sep 18 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny. waves
1 foot or less. 
.tonight...northeast winds 10 to 15 knots veering east 15 to
25 knots in the late evening and overnight. rain showers likely.
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 25 knots. cloudy with a chance of
rain showers 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 1 to 2 feet. 
.monday...east winds to 30 knots. mostly cloudy. waves 2 to 4 feet. 
.tuesday...northeast winds 20 to 25 knots. partly sunny. waves 1 to
3 feet. 

$$

fzus53 kgrr 181336
nshgrr
expires:202609182100;;656877

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

for waters within five nautical miles of shore on lake michigan


lmz848-182100-
whitehall to pentwater mi-
936 am edt fri sep 18 2026

.rest of today...northeast winds 10 to 15 knots. partly sunny. waves
around 1 foot. 
.tonight...northeast winds 10 to 15 knots veering east 15 to
20 knots in the late evening and overnight. rain showers likely.
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 a
chance of rain showers. waves 1 to 2 feet. 
.sunday...northeast winds 10 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. waves 1 to
3 feet. 
.tuesday...northeast winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 181336
nshgrr
expires:202609182100;;656876

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

for waters within five nautical miles of shore on lake michigan


lmz849-182100-
pentwater to manistee mi-
936 am edt fri sep 18 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny late
in the morning then becoming mostly cloudy. waves 1 to 2 feet. 
.tonight...northeast winds 10 to 20 knots veering east in the late
evening and overnight. cloudy with a chance of rain showers. waves
1 to 2 feet. 
.saturday...east winds 10 to 20 knots. mostly cloudy with a chance
of rain showers. waves 1 to 2 feet. 
.saturday night...northeast winds 10 to 15 knots. mostly cloudy with
a chance of rain showers. waves around 1 foot. 
.sunday...northeast 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. 
.monday...northeast winds 15 to 20 knots. mostly cloudy. waves 1 to
3 feet. 
.tuesday...northeast winds 10 to 20 knots. partly sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 181336
nshgrr
expires:202609182100;;656881

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

for waters within five nautical miles of shore on lake michigan


lmz844-182100-
st joseph to south haven mi-
936 am edt fri sep 18 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 
.tonight...east winds 10 to 20 knots becoming after midnight. rain
showers likely. 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. rain showers and a
chance of thunderstorms. waves around 1 foot. 
.sunday...northeast winds 10 to 20 knots. rain showers likely. waves
2 to 4 feet. 
.monday...northeast winds 20 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 with a
chance of rain showers. waves 2 to 4 feet. 

$$

fzus53 kiwx 181412
nshiwx
expires:202609182015;;658320

nearshore marine forecast
national weather service northern indiana
1012 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz046-182015-
michigan city in to new buffalo mi-
1012 am edt fri sep 18 2026

.this afternoon...east winds 5 to 10 knots becoming northeast.
partly sunny. waves 1 to 2 feet. 
.tonight...northeast winds 5 to 15 knots becoming east. a chance
of showers with a slight chance of thunderstorms overnight. waves
1 to 2 feet. 
.saturday...east winds 5 to 15 knots becoming southeast. showers
with a chance of thunderstorms. waves 2 feet or less. 
.saturday night...southeast winds 5 to 10 knots becoming
northeast. 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 55 degrees and at michigan
city is 52 degrees.

$$

fzus53 kiwx 181412
nshiwx
expires:202609182015;;658319

nearshore marine forecast
national weather service northern indiana
1012 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-182015-
new buffalo mi to st joseph mi-
1012 am edt fri sep 18 2026

.this afternoon...east winds 5 to 10 knots becoming northeast.
mostly sunny. waves 2 feet or less. 
.tonight...northeast winds 5 to 15 knots becoming east. a chance
of showers with a slight chance of thunderstorms overnight. waves
2 feet or less. 
.saturday...east winds 5 to 15 knots becoming southeast. showers
with a chance of thunderstorms. waves 2 feet or less. 
.saturday night...southeast winds 5 to 10 knots becoming
northeast. 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 55 degrees and at michigan
city is 52 degrees.

$$

fzus53 klot 181435
nshlot
expires:202609182130;;658735

nearshore marine forecast
national weather service chicago/romeoville il
935 am cdt fri sep 18 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.


lmz740-182130-
winthrop harbor to wilmette harbor il-
935 am cdt fri sep 18 2026

...small craft advisory in effect until 3 pm cdt this afternoon...

.rest of today...east winds 15 to 20 kt. isolated showers in the
afternoon. waves 3 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft
.tonight...east winds 15 to 20 kt becoming southeast overnight.
showers and thunderstorms likely overnight. waves 3 to 5 ft 
building to 4 to 7 ft occasionally to 9 ft. a new small craft 
advisory will be needed. 
.saturday...southeast winds 10 to 20 kt. showers with
thunderstorms likely in the morning, then showers likely and a
chance of thunderstorms in the afternoon. waves 4 to 7 ft 
occasionally to 9 ft.
.saturday night...northeast winds 10 to 15 kt. showers and slight
chance of thunderstorms. waves 3 to 5 ft.

$$

fzus53 klot 181435
nshlot
expires:202609182130;;658736

nearshore marine forecast
national weather service chicago/romeoville il
935 am cdt fri sep 18 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.


lmz741-742-182130-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
935 am cdt fri sep 18 2026

.rest of today...east winds 15 to 20 kt becoming northeast.
isolated showers in the afternoon. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.tonight...east winds 15 to 20 kt becoming southeast overnight.
showers and thunderstorms likely overnight. waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft. a small craft
advisory will be needed. 
.saturday...southeast winds 10 to 20 kt becoming south. showers
with thunderstorms likely in the morning, then showers and a
chance of thunderstorms in the afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.
.saturday night...northeast winds 10 to 15 kt. showers and a
chance of thunderstorms in the evening, then showers and slight
chance of thunderstorms overnight. waves 2 to 4 ft. 

$$

fzus53 klot 181435
nshlot
expires:202609182130;;658737

nearshore marine forecast
national weather service chicago/romeoville il
935 am cdt fri sep 18 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>745-182130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
935 am cdt fri sep 18 2026

.rest of today...northeast winds 10 to 15 kt. partly cloudy late
in the morning, then becoming mostly cloudy. waves 2 to 4 ft. 
.tonight...east winds 10 to 15 kt increasing to 15 to 20 kt
overnight. chance of showers and thunderstorms overnight. waves
2 to 4 ft. 
.saturday...southeast winds 10 to 15 kt becoming south in the
afternoon. showers with thunderstorms likely in the morning, then
showers likely and a chance of thunderstorms in the afternoon.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday night...east winds around 10 kt becoming northeast
overnight. showers and a chance of thunderstorms in the evening,
then showers and slight chance of thunderstorms overnight. waves
1 to 3 ft.  

$$

fzus53 kmkx 181610
nshmkx
expires:202609182200;;661704

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-182200-
sheboygan to port washington wi-
1110 am cdt fri sep 18 2026

.rest of today...northeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. isolated showers early in the
afternoon. scattered showers late in the afternoon. waves 2 to
4 feet. 
.tonight...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. numerous showers through around
midnight, then showers and a chance of thunderstorms after
midnight. waves 3 to 5 feet building to 5 to 7 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 7 to 9 feet. 
.saturday night...east wind 10 to 20 knots backing northeast
15 to 20 knots in the late evening and overnight. chance of
showers. waves 5 to 7 feet subsiding to 3 to 4 feet. 

$$

fzus53 kmkx 181610
nshmkx
expires:202609182200;;661705

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-182200-
port washington to north point light wi-
1110 am cdt fri sep 18 2026

.rest of today...northeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. isolated showers early in the
afternoon. scattered showers late in the afternoon. waves 3 to
4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. numerous showers
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 to 5 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 7 to 9 feet. 
.saturday night...east wind 10 to 20 knots backing northeast
15 to 20 knots in the late evening and overnight. chance of
thunderstorms through around midnight. showers likely through the
night. waves 6 to 8 feet subsiding to 4 to 6 feet. 

$$

fzus53 kmkx 181610
nshmkx
expires:202609182200;;661706

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz645-182200-
north point light to wind point wi-
1110 am cdt fri sep 18 2026

...small craft advisory in effect until 2 pm cdt this afternoon...

.rest of today...northeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. isolated showers. waves 3 to
4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. scattered showers
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 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 late in the afternoon. 
.saturday night...east wind 15 to 20 knots backing northeast
early in the morning. chance of thunderstorms through around
midnight. showers likely through the night. waves 5 to 7 feet
subsiding to 4 to 6 feet after midnight. 

$$

fzus53 kmkx 181610
nshmkx
expires:202609182200;;661707

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz646-182200-
wind point wi to winthrop harbor il-
1110 am cdt fri sep 18 2026

...small craft advisory in effect until 2 pm cdt this afternoon...

.rest of today...east wind 15 to 20 knots backing northeast late
in the afternoon. isolated showers early in the afternoon. waves
3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. scattered showers
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 to 4 feet building to 6 to
8 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 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. 
.saturday night...east wind 15 to 20 knots backing northeast
early in the morning. chance of thunderstorms through around
midnight. showers likely through the night. waves 4 to 6 feet. 

$$