fzus53 kapx 181820
nshapx
expires:202609190230;;666547

nearshore marine forecast
national weather service gaylord mi
220 pm 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.


lmz346-190230-
manistee to point betsie mi-
220 pm edt fri sep 18 2026

.through early evening...northeast wind 5 to 10 knots. cloudy.
waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. scattered showers. waves
2 feet or less. 
.saturday...southeast wind 10 to 15 knots. scattered showers.
waves 2 feet or less. 
.saturday night...northeast wind 10 to 15 knots. scattered
showers. waves 2 feet or less. 
.sunday...northeast wind 10 to 20 knots. partly sunny. waves 2 to
3 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 181836
nshgrb
expires:202609182200;;669283

nearshore marine forecast
national weather service green bay wi
136 pm cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-182200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
136 pm cdt fri sep 18 2026

...small craft advisory in effect from late tonight through
saturday evening...

.this afternoon...ne wind 10 to 15 kts. waves 1 to 3 ft. a chance
of showers. 
.tonight...e wind 10 to 20 kts veering se 15 to 25 kts after
midnight. waves 2 to 4 ft building to 4 to 7 ft after midnight.
rain showers likely. a slight chance of thunderstorms after
midnight. 
.saturday...se wind 15 to 25 kts. waves 4 to 7 ft. a chance of
showers. 
.saturday night...ne wind 10 to 20 kts. waves 3 to 5 ft. a chance
of showers.  

$$

fzus53 kgrb 181811
nshgrb
expires:202609182200;;666200

nearshore marine forecast
national weather service green bay wi
111 pm cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-182200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
111 pm cdt fri sep 18 2026

.this afternoon...ne wind 10 to 15 kts. waves 1 to 3 ft. a chance
of showers. 
.tonight...e wind 10 to 20 kts veering se 15 to 25 kts after
midnight. waves 1 to 3 ft building to 4 to 7 ft after midnight.
rain showers likely in the evening, then a chance of showers and
a slight chance of thunderstorms after midnight. a small craft
advisory may be needed. 
.saturday...se wind 15 to 25 kts. waves 4 to 7 ft. a chance of
showers. 
.saturday night...ne wind 10 to 15 kts. waves 2 to 4 ft. a chance
of showers.  

$$

fzus53 kgrr 181848
nshgrr
expires:202609190800;;669866

nearshore marine forecast
national weather service grand rapids mi
248 pm edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
248 pm edt fri sep 18 2026

.through early evening...northeast winds around 10 knots. cloudy.
waves less than 1 foot. 
.tonight...northeast winds 10 to 15 knots veering east 15 to
25 knots in the late evening and overnight. a chance of rain showers
in the evening, then rain showers and a slight chance of
thunderstorms after midnight. waves 1 to 2 feet. 
.saturday...east winds 15 to 25 knots. rain showers and a chance of
thunderstorms. waves 1 to 3 feet. 
.saturday night...east winds 15 to 20 knots backing northeast after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 1 to 2 feet. 
.sunday...northeast winds 15 to 25 knots. partly sunny with a chance
of rain showers. waves 1 to 2 feet. 
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
1 to 2 feet. 
.monday...northeast winds 20 to 25 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...northeast winds 20 to 25 knots. partly sunny. waves 1 to
3 feet. 
.wednesday...northeast winds 15 to 20 knots. partly sunny. waves
around 1 foot. 

$$

fzus53 kgrr 181848
nshgrr
expires:202609190800;;669867

nearshore marine forecast
national weather service grand rapids mi
248 pm edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-190800-
holland to grand haven mi-
248 pm edt fri sep 18 2026

.through early evening...northeast winds around 10 knots. cloudy.
waves 1 foot or less. 
.tonight...northeast winds 10 to 15 knots veering east 15 to
25 knots in the late evening and overnight. cloudy. a chance of rain
showers in the evening, then a chance of rain showers and a slight
chance of thunderstorms after midnight. waves 1 to 2 feet. 
.saturday...east winds 15 to 25 knots. rain showers and a chance of
thunderstorms. waves 1 to 3 feet. 
.saturday night...east winds 10 to 20 knots backing northeast after
midnight. rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.sunday...northeast winds 15 to 25 knots. rain showers likely. waves
1 to 2 feet. 
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
1 to 3 feet. 
.monday...northeast winds 20 to 25 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...northeast winds 20 to 25 knots. partly sunny. waves 1 to
3 feet. 
.wednesday...northeast winds 15 to 20 knots. partly sunny. waves
1 to 2 feet. 

$$

fzus53 kgrr 181848
nshgrr
expires:202609190800;;669869

nearshore marine forecast
national weather service grand rapids mi
248 pm edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-190800-
st joseph to south haven mi-
248 pm edt fri sep 18 2026

.through early evening...northeast winds around 10 knots. partly
sunny. waves 1 foot or less. 
.tonight...east winds 10 to 20 knots. partly cloudy in the evening
then becoming mostly cloudy. a slight chance of thunderstorms after
midnight. waves around 1 foot. 
.saturday...southeast winds 15 to 25 knots decreasing to 10 to
15 knots early in the afternoon. rain showers and a 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 increasing to 20 to
25 knots early in the afternoon. rain showers likely. waves 2 to
4 feet. 
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
2 to 4 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. waves 2 to
4 feet. 
.wednesday...northeast winds 15 to 20 knots. partly sunny. waves
1 to 3 feet. 

$$

fzus53 kgrr 181848
nshgrr
expires:202609190800;;669868

nearshore marine forecast
national weather service grand rapids mi
248 pm edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-190800-
south haven to holland mi-
248 pm edt fri sep 18 2026

.through early evening...northeast winds around 10 knots. mostly
cloudy. waves 1 foot or less. 
.tonight...east winds 10 to 20 knots. mostly cloudy. rain showers
likely and a slight chance of thunderstorms after midnight. waves
around 1 foot. 
.saturday...southeast winds 15 to 25 knots decreasing to 10 to
15 knots early in the afternoon. rain showers and a chance of
thunderstorms. waves around 1 foot. 
.saturday night...east winds 10 to 15 knots backing northeast after
midnight. cloudy with a chance of showers and thunderstorms. waves
around 1 foot. 
.sunday...northeast winds 15 to 25 knots. rain showers likely. waves
1 to 2 feet. 
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
1 to 2 feet. 
.monday...east winds 20 to 25 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...northeast winds 20 to 25 knots. partly sunny. waves 1 to
3 feet. 
.wednesday...northeast winds 15 to 20 knots. partly sunny. waves
1 to 2 feet. 

$$

fzus53 kgrr 181848
nshgrr
expires:202609190800;;669864

nearshore marine forecast
national weather service grand rapids mi
248 pm edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
248 pm edt fri sep 18 2026

.through early evening...northeast winds 10 to 15 knots. cloudy.
waves 1 to 2 feet. 
.tonight...northeast winds 10 to 20 knots veering east in the late
evening and overnight. a chance of rain showers in the evening, then
rain showers likely after midnight. waves 1 to 2 feet. 
.saturday...southeast winds 10 to 20 knots. rain showers likely and
a slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday night...east winds 10 to 20 knots backing northeast after
midnight. cloudy with a chance of rain showers. waves around 1 foot.
.sunday...northeast winds 15 to 25 knots. partly sunny. waves 1 to
3 feet building to 2 to 4 feet early in the afternoon. 
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
3 to 5 feet subsiding to 1 to 3 feet after midnight. 
.monday...northeast winds 10 to 20 knots. mostly cloudy. waves 1 to
3 feet. 
.tuesday...northeast winds 10 to 20 knots. partly sunny. waves 1 to
2 feet. 
.wednesday...northeast winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 

$$

fzus53 kgrr 181848
nshgrr
expires:202609190800;;669865

nearshore marine forecast
national weather service grand rapids mi
248 pm edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
248 pm edt fri sep 18 2026

.through early evening...northeast winds 10 to 15 knots. cloudy.
waves around 1 foot. 
.tonight...northeast winds 10 to 20 knots veering east 15 to
25 knots after midnight. a chance of rain showers in the evening,
then rain showers likely and a slight chance of thunderstorms after
midnight. waves 1 to 2 feet. 
.saturday...east winds 15 to 25 knots. cloudy with a chance of rain
showers and a slight chance of thunderstorms. waves 1 to 3 feet. 
.saturday night...east winds 10 to 20 knots backing northeast after
midnight. cloudy with a chance of rain showers and a slight chance
of thunderstorms. waves 1 to 2 feet. 
.sunday...northeast winds 15 to 25 knots. partly sunny with a slight
chance of rain showers. waves 2 to 4 feet. 
.sunday night...northeast winds 15 to 25 knots. mostly cloudy. waves
2 to 4 feet subsiding to 1 to 3 feet after midnight. 
.monday...northeast winds 15 to 20 knots. mostly cloudy. waves 1 to
3 feet. 
.tuesday...northeast winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.wednesday...northeast winds 15 to 20 knots. mostly sunny. waves
around 1 foot. 

$$

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 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 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 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;;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 kmkx 181810
nshmkx
expires:202609182200;;666163

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm 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-
110 pm cdt fri sep 18 2026

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

.rest of today...east wind 10 to 15 knots. slight chance of
showers. waves 3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east late in the
evening, then becoming 15 to 25 knots after midnight veering
southeast early in the morning. slight chance of 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 becoming 15 to 20 knots
early in the afternoon, then becoming southeast 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...southeast wind 10 to 15 knots backing northeast
late in the evening, then rising to 15 to 20 knots after midnight
becoming northeast 15 to 20 knots early in the morning. showers
and a chance of thunderstorms. waves 4 to 6 feet. 

$$

fzus53 kmkx 181810
nshmkx
expires:202609182200;;666160

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-182200-
sheboygan to port washington wi-
110 pm cdt fri sep 18 2026

.rest of today...northeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. chance of showers. waves 2 to
4 feet. 
.tonight...northeast wind 15 to 20 knots veering east late in the
evening, then becoming 15 to 25 knots after midnight becoming
east 15 to 25 knots early in the morning. chance of showers
through around midnight, then showers likely and slight 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 15 to 25 knots with gusts to around
30 knots backing east 15 to 20 knots late in the afternoon. rain
showers in the morning. slight chance of thunderstorms through
the day. rain showers likely in the afternoon. waves 7 to 9 feet.
.saturday night...east wind 15 to 20 knots backing northeast
early in the morning. showers likely and slight chance of
thunderstorms through around midnight, then chance of showers
after midnight. waves 5 to 7 feet subsiding to 3 to 4 feet. 

$$

fzus53 kmkx 181810
nshmkx
expires:202609182200;;666162

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm 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-
110 pm cdt fri sep 18 2026

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

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

$$

fzus53 kmkx 181810
nshmkx
expires:202609182200;;666161

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm 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-
110 pm cdt fri sep 18 2026

.rest of today...east wind 10 to 15 knots backing northeast late
in the afternoon. chance of showers. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east late in the
evening, then becoming 15 to 25 knots after midnight veering
southeast early in the morning. chance of 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 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 7 to 9 feet. 
.saturday night...east wind 15 to 20 knots backing northeast
after midnight. showers likely and a chance of thunderstorms
through around midnight, then chance of showers after midnight.
waves 6 to 8 feet subsiding to 4 to 6 feet. 

$$