fzus53 kapx 270748
nshapx
expires:202608271600;;434038

nearshore marine forecast
national weather service gaylord mi
348 am edt thu aug 27 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.


lmz346-271600-
manistee to point betsie mi-
348 am edt thu aug 27 2026

.today...north wind 10 to 15 knots decreasing to 5 to 10 knots
early in the evening. mostly cloudy early in the morning then
clearing. waves 2 to 3 feet. 
.tonight...northeast wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.friday...light winds. sunny. waves 2 feet or less. 
.friday night...south wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 270736
nshgrb
expires:202608271000;;433657

nearshore marine forecast
national weather service green bay wi
236 am cdt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-271000-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
236 am cdt thu aug 27 2026

.rest of the night...nw wind 10 to 15 kts. waves 2 ft or less.
mostly clear. 
.thursday...n wind 10 to 15 kts veering e 5 to 10 kts early in
the afternoon. waves 2 ft or less. mostly sunny. 
.thursday night...e wind 5 to 10 kts. waves 2 ft or less. a
chance of sprinkles. 
.friday...se wind 10 to 15 kts. waves 2 ft or less. a chance of
sprinkles in the morning.  

$$

fzus53 kgrr 270736
nshgrr
expires:202608270845;;433649

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz849-270845-
pentwater to manistee mi-
336 am edt thu aug 27 2026

.rest of tonight...northwest winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.thursday...northwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.thursday night...northeast winds 5 to 15 knots veering east after
midnight. mostly clear. waves 1 to 3 feet. 
.friday...east winds 5 to 10 knots backing northwest 10 to 15 knots
early in the afternoon. mostly sunny. waves 1 foot or less. 
.friday night...northeast winds 5 to 15 knots veering south in the
late evening and overnight. partly cloudy. waves around 1 foot. 
.saturday...south winds 15 to 25 knots. partly sunny. waves 1 to
3 feet building to 3 to 5 feet in the late morning and afternoon. 
.sunday...south winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 5 to 7 feet. 
.monday...south winds 10 to 20 knots. partly sunny with rain showers
likely. waves 3 to 5 feet. 

$$

fzus53 kgrr 270736
nshgrr
expires:202608270845;;433654

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz844-270845-
st joseph to south haven mi-
336 am edt thu aug 27 2026

.rest of tonight...northwest winds 10 to 15 knots. clear. waves 1 to
2 feet. 
.thursday...northwest winds 10 to 15 knots. sunny. waves 1 to
3 feet. 
.thursday night...north winds 5 to 15 knots veering east around
5 knots after midnight. mostly clear. waves 1 to 3 feet. 
.friday...east winds around 5 knots backing northwest early in the
afternoon. sunny. waves around 1 foot. 
.friday night...north winds 5 to 10 knots veering south in the late
evening and overnight. partly cloudy. waves less than 1 foot. 
.saturday...south winds 10 to 15 knots. mostly sunny. waves 1 foot
or less. 
.sunday...south winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.monday...southwest winds 15 to 20 knots. partly sunny with a chance
of rain showers. waves 1 to 3 feet. 

$$

fzus53 kgrr 270736
nshgrr
expires:202608270845;;433653

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz845-270845-
south haven to holland mi-
336 am edt thu aug 27 2026

.rest of tonight...northwest winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.thursday...northwest winds 10 to 15 knots. sunny. waves 2 to
4 feet. 
.thursday night...north winds 5 to 15 knots veering east after
midnight. mostly clear. waves 2 to 4 feet. 
.friday...east winds 5 to 10 knots backing northeast in the late
morning and early afternoon, then backing northwest early in the
afternoon. sunny. waves 1 foot or less. 
.friday night...northwest winds around 10 knots backing south in the
late evening and overnight. partly cloudy. waves 1 foot or less. 
.saturday...south winds 10 to 15 knots. partly sunny. waves around
1 foot. 
.sunday...south winds 15 to 20 knots. mostly cloudy with a chance of
rain showers. waves 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots. partly sunny with a chance
of rain showers. waves 2 to 4 feet. 

$$

fzus53 kgrr 270736
nshgrr
expires:202608270845;;433652

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz846-270845-
holland to grand haven mi-
336 am edt thu aug 27 2026

.rest of tonight...northwest winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet. 
.thursday night...north winds 10 to 15 knots veering east 5 to
10 knots after midnight. mostly clear. waves 2 to 4 feet. 
.friday...east winds 5 to 10 knots veering southeast in the late
morning and early afternoon, then veering west early in the
afternoon. sunny. waves 1 foot or less. 
.friday night...west winds around 10 knots backing south in the late
evening and overnight. partly cloudy. waves 1 foot or less. 
.saturday...south winds 10 to 20 knots. partly sunny. waves 1 to
3 feet. 
.sunday...south winds 20 to 25 knots. mostly cloudy with a chance of
rain showers. waves 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots. partly sunny with a chance
of rain showers. waves 3 to 5 feet. 

$$

fzus53 kgrr 270736
nshgrr
expires:202608270845;;433651

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz847-270845-
grand haven to whitehall mi-
336 am edt thu aug 27 2026

.rest of tonight...northwest winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet. 
.thursday night...north winds 10 to 20 knots veering east 5 to
10 knots after midnight. mostly clear. waves 2 to 4 feet. 
.friday...east winds 5 to 10 knots veering southeast in the late
morning and early afternoon, then veering west 10 to 15 knots early
in the afternoon. mostly sunny. waves 1 foot or less. 
.friday night...west winds 10 to 15 knots backing south in the late
evening and overnight. partly cloudy. waves around 1 foot. 
.saturday...south winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.sunday...south winds 20 to 25 knots. mostly cloudy with a chance of
rain showers. waves 4 to 6 feet. 
.monday...south winds 15 to 20 knots. partly sunny with a chance of
rain showers. waves 3 to 5 feet. 

$$

fzus53 kgrr 270736
nshgrr
expires:202608270845;;433650

nearshore marine forecast
national weather service grand rapids mi
336 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz848-270845-
whitehall to pentwater mi-
336 am edt thu aug 27 2026

.rest of tonight...northwest winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.thursday...northwest winds 15 to 20 knots. sunny. waves 2 to
4 feet. 
.thursday night...northeast winds 5 to 15 knots veering east after
midnight. mostly clear. waves 1 to 3 feet. 
.friday...east winds 5 to 10 knots veering southeast in the late
morning and early afternoon, then veering west early in the
afternoon. mostly sunny. waves 1 foot or less. 
.friday night...northwest winds 10 to 15 knots backing south in the
late evening and overnight. partly cloudy. waves 1 to 2 feet. 
.saturday...south winds 10 to 20 knots increasing to 20 to 25 knots
early in the afternoon. partly sunny. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 
.sunday...south winds to 30 knots. mostly cloudy with a chance of
rain showers. waves 5 to 7 feet. 
.monday...south winds 15 to 20 knots. partly sunny with rain showers
likely. waves 3 to 5 feet. 

$$

fzus53 kiwx 270751
nshiwx
expires:202608271430;;434075

nearshore marine forecast
national weather service northern indiana
351 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz043-271430-
new buffalo mi to st joseph mi-
351 am edt thu aug 27 2026

.today...northwest winds 5 to 10 knots becoming north around 10
knots. mostly sunny. waves 2 feet or less building to 1 to 3 feet
early in the afternoon. 
.tonight...north winds 10 knots or less becoming northeast.
mostly clear. waves 1 to 2 feet. 
.friday...east winds less than 10 knots. sunny. waves 1 foot or
less. 
.friday night...northeast winds less than 10 knots becoming
south. mostly clear. waves 1 foot or less. 

the water temperature at st. joseph is 72 degrees and at michigan
city is 73 degrees.


$$

fzus53 kiwx 270751
nshiwx
expires:202608271430;;434076

nearshore marine forecast
national weather service northern indiana
351 am edt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz046-271430-
michigan city in to new buffalo mi-
351 am edt thu aug 27 2026

.today...northwest winds 5 to 10 knots becoming north around 10
knots. mostly sunny. waves around 1 foot building to 1 to 3 feet 
early in the afternoon. 
.tonight...north winds 10 knots or less becoming northeast.
mostly clear. waves 1 to 2 feet. 
.friday...east winds less than 10 knots. sunny. waves around
1 foot. 
.friday night...east winds 10 knots or less becoming south.
mostly clear. waves 1 foot or less. 

the water temperature at st. joseph is 72 degrees and at michigan
city is 73 degrees.

$$

fzus53 klot 270215
nshlot
expires:202608270915;;421097

nearshore marine forecast
national weather service chicago/romeoville il
915 pm cdt wed aug 26 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>742-270915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
915 pm cdt wed aug 26 2026

.rest of tonight...northwest winds 10 to 15 kt. mostly clear. 
waves 1 to 2 ft. 
.thursday...northwest winds around 10 kt becoming northeast in the
afternoon. mostly sunny. waves 1 to 2 ft. 
.thursday night...northeast winds around 10 kt becoming east.
mostly clear. waves 1 to 2 ft. 
.friday...east winds around 5 kt becoming southeast. mostly
sunny. waves 1 to 2 ft.  

$$

fzus53 klot 270215
nshlot
expires:202608270915;;421098

nearshore marine forecast
national weather service chicago/romeoville il
915 pm cdt wed aug 26 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>745-270915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
915 pm cdt wed aug 26 2026

.rest of tonight...variable winds less than 10 kt becoming
northwest 10 to 15 kt late. becoming mostly clear. waves 1 to 3 
ft.
.thursday...northwest winds 10 to 15 kt becoming northeast late.
mostly sunny. waves 2 to 3 ft. 
.thursday night...northeast winds 10 to 15 kt diminishing to
around 5 kt. mostly clear. waves 1 to 3 ft. 
.friday...east winds around 5 kt becoming around 10 kt. sunny.
waves 1 to 2 ft.  

$$

fzus53 kmkx 270610
nshmkx
expires:202608270900;;428581

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz645-270900-
north point light to wind point wi-
110 am cdt thu aug 27 2026

.rest of tonight...northwest wind 10 to 15 knots. mostly clear.
waves around 1 foot. 
.thursday...northwest wind 10 to 15 knots veering east late in
the afternoon. sunny. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots. mostly clear. waves
around 1 foot. 
.friday...southeast wind 5 to 10 knots rising to 10 to 15 knots
early in the afternoon, then becoming southeast 10 to 15 knots
late in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 270610
nshmkx
expires:202608270900;;428580

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz644-270900-
port washington to north point light wi-
110 am cdt thu aug 27 2026

.rest of tonight...northwest wind 10 to 15 knots. mostly clear.
waves around 1 foot. 
.thursday...northwest wind 10 to 15 knots veering east late in
the afternoon. sunny. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots. mostly clear. waves
around 1 foot. 
.friday...southeast wind 5 to 10 knots rising to 10 to 15 knots
in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 270610
nshmkx
expires:202608270900;;428579

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz643-270900-
sheboygan to port washington wi-
110 am cdt thu aug 27 2026

.rest of tonight...northwest wind 10 to 15 knots. mostly clear.
waves around 1 foot. 
.thursday...northwest wind 10 to 15 knots veering east late in
the afternoon. sunny. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots. partly cloudy. waves
1 to 2 feet. 
.friday...southeast wind 5 to 10 knots rising to 10 to 15 knots
early in the afternoon, then becoming southeast 10 to 15 knots
late in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$

fzus53 kmkx 270610
nshmkx
expires:202608270900;;428582

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt thu aug 27 2026

for waters within five nautical miles of shore on lake michigan


lmz646-270900-
wind point wi to winthrop harbor il-
110 am cdt thu aug 27 2026

.rest of tonight...northwest wind 10 to 15 knots. mostly clear.
waves around 1 foot. 
.thursday...northwest wind 10 to 15 knots veering east late in
the afternoon. sunny. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots. mostly clear. waves
around 1 foot. 
.friday...southeast wind 5 to 10 knots rising to 10 to 15 knots
in the afternoon. sunny. waves 1 to 2 feet. 

$$