fzus53 kapx 180630
nshapx
expires:202509181430;;176703

nearshore marine forecast
national weather service gaylord mi
230 am edt thu sep 18 2025

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.


lmz346-181430-
manistee to point betsie mi-
230 am edt thu sep 18 2025

.rest of the overnight...light winds. slight chance of
waterspouts. isolated showers and thunderstorms. waves 2 feet or
less. 
.today...north wind 10 to 15 knots. isolated showers and
thunderstorms. waves 2 feet or less. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.friday...northeast wind 10 to 15 knots. partly 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 181127
nshgrb
expires:202509182000;;189227

nearshore marine forecast
national weather service green bay wi
627 am cdt thu sep 18 2025

for waters within five nautical miles of the shore on lake michigan


lmz542-543-182000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
627 am cdt thu sep 18 2025

.today...ne wind 5 to 10 kts. a slight chance of light showers
and thunderstorms in the morning. waves 2 ft or less. 
.tonight...ne wind 10 to 20 kts. partly cloudy in the evening
then becoming mostly cloudy. waves 1 to 3 ft. 
.friday...e wind 5 to 10 kts backing ne 10 to 20 kts in the
afternoon. patchy fog in the morning. waves 1 to 3 ft. 
.friday night...e wind 10 to 20 kts. a chance of rain showers.
waves 1 to 3 ft building to 3 to 5 ft. a small craft advisory may
be needed. 

$$

fzus53 kgrr 181205
nshgrr
expires:202509182000;;190354

nearshore marine forecast
national weather service grand rapids mi
805 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz849-182000-
pentwater to manistee mi-
805 am edt thu sep 18 2025

.today...southeast winds around 5 knots backing northwest 5 to
15 knots in the late morning and afternoon. partly sunny with a
slight chance of showers and thunderstorms. waves 1 to 2 feet. 
.tonight...north winds 10 to 15 knots veering northeast after
midnight. partly cloudy. waves 1 to 2 feet. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 foot or
less. 
.friday night...east winds 10 to 20 knots. partly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.saturday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.sunday...south winds 10 to 20 knots. mostly cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots. partly sunny with rain
showers likely and a chance of thunderstorms. waves 1 to 3 feet. 

$$

fzus53 kgrr 181205
nshgrr
expires:202509182000;;190359

nearshore marine forecast
national weather service grand rapids mi
805 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz844-182000-
st joseph to south haven mi-
805 am edt thu sep 18 2025

.today...southeast winds around 5 knots veering west in the late
morning and early afternoon, then veering north early in the
afternoon. sunny. waves less than 1 foot. 
.tonight...northeast winds 5 to 10 knots veering east after
midnight. mostly clear. waves less than 1 foot. 
.friday...east winds around 10 knots backing northeast early in the
afternoon. sunny. waves less than 1 foot. 
.friday night...east winds 10 to 20 knots veering southeast after
midnight. partly cloudy with a chance of rain showers and a slight
chance of thunderstorms. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.sunday...south winds 10 to 15 knots veering southwest early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 foot
or less. 
.monday...southwest winds 10 to 15 knots. mostly cloudy with rain
showers likely. waves 1 to 2 feet. 

$$

fzus53 kgrr 181205
nshgrr
expires:202509182000;;190358

nearshore marine forecast
national weather service grand rapids mi
805 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz845-182000-
south haven to holland mi-
805 am edt thu sep 18 2025

.today...southeast winds 5 to 10 knots veering west in the late
morning and early afternoon, then veering northwest early in the
afternoon. sunny. waves less than 1 foot. 
.tonight...north winds around 10 knots veering east after midnight.
mostly clear. waves less than 1 foot. 
.friday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.friday night...east winds 10 to 20 knots. partly cloudy with a
slight chance of showers and thunderstorms. waves around 1 foot. 
.saturday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
around 1 foot. 
.sunday...south winds around 15 knots veering southwest early in the
afternoon. mostly cloudy with a chance of rain showers. waves around
1 foot. 
.monday...southwest winds around 15 knots. mostly cloudy with rain
showers likely. waves 1 to 3 feet. 

$$

fzus53 kgrr 181205
nshgrr
expires:202509182000;;190357

nearshore marine forecast
national weather service grand rapids mi
805 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz846-182000-
holland to grand haven mi-
805 am edt thu sep 18 2025

.today...southeast winds around 5 knots veering west in the late
morning and early afternoon, then veering northwest early in the
afternoon. mostly sunny. waves less than 1 foot. 
.tonight...north winds around 10 knots veering east after midnight.
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 15 knots increasing to 15 to
25 knots in the late evening and overnight. partly cloudy with a
slight chance of showers and thunderstorms. waves 1 to 3 feet. 
.saturday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.sunday...south winds around 15 knots veering southwest early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 to
2 feet. 
.monday...southwest winds around 15 knots. mostly cloudy with rain
showers likely. waves 2 to 3 feet. 

$$

fzus53 kgrr 181205
nshgrr
expires:202509182000;;190356

nearshore marine forecast
national weather service grand rapids mi
805 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz847-182000-
grand haven to whitehall mi-
805 am edt thu sep 18 2025

.today...southeast winds around 5 knots veering southwest in the
late morning and early afternoon, then veering northwest early in
the afternoon. mostly sunny. waves less than 1 foot. 
.tonight...north winds around 10 knots veering east after midnight.
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 15 knots increasing to 15 to
25 knots 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. 
.saturday...southeast winds 15 to 25 knots decreasing to 10 to
15 knots early in the afternoon. mostly cloudy with a chance of rain
showers and a slight chance of thunderstorms. waves 1 to 2 feet. 
.sunday...south winds around 15 knots. mostly cloudy with a chance
of rain showers. waves 1 to 3 feet. 
.monday...south winds 15 to 20 knots. mostly cloudy with rain
showers likely. waves 2 to 3 feet. 

$$

fzus53 kgrr 181205
nshgrr
expires:202509182000;;190355

nearshore marine forecast
national weather service grand rapids mi
805 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz848-182000-
whitehall to pentwater mi-
805 am edt thu sep 18 2025

.today...south winds around 5 knots veering northwest early in the
afternoon. mostly sunny. waves 1 foot or less. 
.tonight...north winds 10 to 15 knots veering east after midnight.
partly cloudy. waves around 1 foot. 
.friday...east winds 10 to 15 knots. mostly sunny. waves 1 foot or
less. 
.friday night...east winds 10 to 15 knots increasing to 15 to
25 knots 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. 
.saturday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 2 feet. 
.sunday...south winds around 15 knots. mostly cloudy with a chance
of rain showers. waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots. mostly cloudy with rain
showers likely and a chance of thunderstorms. waves 2 to 3 feet. 

$$

fzus53 kiwx 180759
nshiwx
expires:202509181415;;179573

nearshore marine forecast
national weather service northern indiana
359 am edt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz043-046-181415-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
359 am edt thu sep 18 2025

.today...light and variable winds. sunny. waves 1 foot or less. 
.tonight...northeast winds 5 to 10 knots becoming east. mostly
clear. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming northeast. sunny.
waves 1 foot or less. 
.friday night...northeast winds 5 to 15 knots becoming southeast.
mostly cloudy. waves 1 foot or less. 

the water temperature at st. joseph is 55 degrees and at michigan
city is 56 degrees.

$$

fzus53 klot 180906
nshlot
expires:202509181530;;182602

nearshore marine forecast
national weather service chicago/romeoville il
406 am cdt thu sep 18 2025

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>745-181530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
406 am cdt thu sep 18 2025

.today...southeast winds 5 to 10 kt becoming northeast 10 to 15 
kt in the afternoon. sunny. waves around 1 ft. 
.tonight...northeast winds 5 to 10 kt becoming east overnight.
mostly clear. waves 1 to 2 ft. 
.friday...southeast winds 5 to 10 kt becoming east in the
afternoon. mostly sunny in the morning, then becoming partly
cloudy. waves 1 to 2 ft. 
.friday night...east winds 10 to 15 kt becoming southeast
overnight. slight chance of showers and thunderstorms in the
evening, then slight chance of showers overnight. waves 1 to
3 ft. 

$$

fzus53 klot 180906
nshlot
expires:202509181530;;182601

nearshore marine forecast
national weather service chicago/romeoville il
406 am cdt thu sep 18 2025

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>742-181530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
406 am cdt thu sep 18 2025

.today...southeast winds 5 to 10 kt becoming northeast 10 to 15 kt
in the afternoon. mostly sunny. waves around 1 ft. 
.tonight...northeast winds 5 to 10 kt. mostly clear. waves 1 to
2 ft. 
.friday...east winds 10 to 15 kt. mostly sunny in the morning,
then becoming partly cloudy. waves 1 to 3 ft. 
.friday night...east winds 10 to 15 kt becoming southeast 15 to 20
kt overnight. slight chance of showers and thunderstorms. waves 2
to 4 ft building to 3 to 5 ft. 

$$

fzus53 kmkx 181205
nshmkx
expires:202509181600;;190353

nearshore marine forecast
national weather service milwaukee/sullivan wi
705 am cdt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz646-181600-
wind point wi to winthrop harbor il-
705 am cdt thu sep 18 2025

.today...southwest wind 5 knots backing south late in the
morning, then becoming east early in the afternoon becoming east
5 to 10 knots late in the afternoon. sunny. waves nearly calm. 
.tonight...northeast wind 5 to 10 knots. partly cloudy. waves
around 1 foot. 
.friday...east wind 5 to 10 knots rising to 10 to 15 knots in the
late morning and early afternoon, then becoming east 10 to
15 knots late in the afternoon. partly sunny. waves 1 to 2 feet. 
.friday night...northeast wind 10 to 15 knots becoming east 15 to
20 knots in the late evening and early morning, then veering
southeast early in the morning. slight chance of thunderstorms
through around midnight. chance of showers through the night.
chance of thunderstorms after midnight. waves 1 to 3 feet
building to 3 to 4 feet in the late evening and overnight. 

$$

fzus53 kmkx 181205
nshmkx
expires:202509181600;;190350

nearshore marine forecast
national weather service milwaukee/sullivan wi
705 am cdt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz643-181600-
sheboygan to port washington wi-
705 am cdt thu sep 18 2025

.today...west wind 5 to 10 knots veering north late in the
morning, then veering northeast early in the afternoon rising to
10 to 15 knots late in the afternoon. slight chance of showers in
the late morning and afternoon. slight chance of thunderstorms in
the afternoon. waves around 1 foot. 
.tonight...northeast wind 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. slight chance of showers in the afternoon. waves 1 to
3 feet. 
.friday night...northeast wind 10 to 15 knots becoming east 15 to
20 knots late in the evening, then veering southeast after
midnight becoming 10 to 20 knots early in the morning. slight
chance of showers through around midnight. slight chance of
thunderstorms through the night. chance of showers after
midnight. waves 3 to 5 feet building to 5 to 7 feet early in the
morning. 

$$

fzus53 kmkx 181205
nshmkx
expires:202509181600;;190351

nearshore marine forecast
national weather service milwaukee/sullivan wi
705 am cdt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz644-181600-
port washington to north point light wi-
705 am cdt thu sep 18 2025

.today...west wind 5 knots backing south late in the morning,
then becoming east early in the afternoon backing northeast late
in the afternoon. sunny. waves around 1 foot. 
.tonight...northeast wind 5 to 10 knots. partly cloudy. waves
1 to 2 feet. 
.friday...east wind 5 to 10 knots rising to 10 to 15 knots in the
late morning and early afternoon, then becoming east 10 to
15 knots late in the afternoon. slight chance of showers in the
afternoon. waves 1 to 3 feet. 
.friday night...northeast wind 10 to 15 knots becoming east 15 to
20 knots in the late evening and early morning, then veering
southeast early in the morning. slight chance of thunderstorms
through around midnight. chance of showers through the night.
chance of thunderstorms after midnight. waves 1 to 3 feet
building to 5 to 7 feet. 

$$

fzus53 kmkx 181205
nshmkx
expires:202509181600;;190352

nearshore marine forecast
national weather service milwaukee/sullivan wi
705 am cdt thu sep 18 2025

for waters within five nautical miles of shore on lake michigan


lmz645-181600-
north point light to wind point wi-
705 am cdt thu sep 18 2025

.today...southwest wind 5 knots backing south late in the
morning, then becoming east early in the afternoon becoming east
5 to 10 knots late in the afternoon. sunny. waves around 1 foot. 
.tonight...northeast wind 5 to 10 knots. partly cloudy. waves
1 to 2 feet. 
.friday...east wind 5 to 10 knots rising to 10 to 15 knots in the
late morning and early afternoon, then becoming east 10 to
15 knots late in the afternoon. slight chance of showers in the
afternoon. waves 1 to 3 feet. 
.friday night...northeast wind 10 to 15 knots becoming east 15 to
20 knots in the late evening and early morning, then veering
southeast early in the morning. slight chance of thunderstorms
through around midnight. chance of showers through the night.
chance of thunderstorms after midnight. waves 1 to 3 feet
building to 4 to 6 feet. 

$$