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fzus53 kapx 221957
nshapx
expires:202608230400;;184231

nearshore marine forecast
national weather service gaylord mi
357 pm edt sat aug 22 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.


lmz346-230400-
manistee to point betsie mi-
357 pm edt sat aug 22 2026

...small craft advisory in effect from 10 pm edt this evening
through sunday evening...

.tonight...northwest wind 10 to 20 knots with gusts to 25 knots. 
slight chance of waterspouts through the night. isolated 
thunderstorms early in the evening. isolated showers through the 
night. waves 3 to 5 feet. 
.sunday...north wind 10 to 20 knots with gusts to 30 knots. 
slight chance of waterspouts. scattered showers. waves 3 to 5 
feet. 
.sunday night...north wind 10 to 20 knots. partly cloudy. waves
3 to 5 feet. 
.monday...northwest wind 10 to 15 knots. sunny. waves 2 to
3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$
fzus53 kgrb 222056
nshgrb
expires:202608230400;;186899

nearshore marine forecast
national weather service green bay wi
356 pm cdt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-230400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
356 pm cdt sat aug 22 2026

.late this afternoon...n wind 10 to 15 kts. waves 2 ft or less. a
chance of showers and thunderstorms. 
.tonight...nw wind 10 to 20 kts. waves 2 ft or less. a slight
chance of showers in the evening. 
.sunday...nw wind 15 to 25 kts veering n 10 to 15 kts early in
the afternoon. waves 1 to 3 ft. sunny in the morning then
becoming partly cloudy. a small craft advisory may be needed. 
.sunday night...n wind 10 to 15 kts backing nw 5 to 10 kts after
midnight. waves 2 ft or less. mostly clear. 
.monday...nw wind 10 to 15 kts veering e 5 to 10 kts early in the
afternoon. waves 2 ft or less. sunny. 

$$
fzus53 kgrr 221936
nshgrr
expires:202608230800;;183726

nearshore marine forecast
national weather service grand rapids mi
336 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz845-230800-
south haven to holland mi-
336 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.through early evening...northwest winds 20 to 25 knots. sunny. a
slight chance of waterspouts. waves 4 to 6 feet. 
.tonight...north winds 15 to 25 knots. mostly clear. isolated
showers and thunderstorms in the evening. a slight chance of
waterspouts through the night. waves 3 to 5 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. a slight
chance of waterspouts. waves 4 to 6 feet. 
.sunday night...north winds 15 to 25 knots decreasing to 10 to
15 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 1 to 3 feet after midnight. 
.monday...northwest winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.monday night...north winds 5 to 15 knots veering east around
5 knots after midnight. partly cloudy. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday...southwest winds 15 to 20 knots. mostly sunny. waves
2 to 4 feet. 
.thursday...northwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$
fzus53 kgrr 221936
nshgrr
expires:202608230800;;183725

nearshore marine forecast
national weather service grand rapids mi
336 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz846-230800-
holland to grand haven mi-
336 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.through early evening...northwest winds around 25 knots. sunny. a
slight chance of waterspouts. waves 3 to 5 feet. 
.tonight...north winds 15 to 25 knots. mostly clear. isolated rain
showers in the evening. a slight chance of waterspouts through the
night. waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. 
.sunday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny. a slight chance of
waterspouts. waves 4 to 6 feet. 
.sunday night...north winds 15 to 25 knots decreasing to 10 to
15 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 1 to 2 feet. 
.monday...northwest winds 10 to 20 knots. sunny. waves 2 to 4 feet. 
.monday night...northwest winds 5 to 15 knots veering east around
5 knots after midnight. partly cloudy. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday...southwest winds 15 to 20 knots. partly sunny. waves
3 to 5 feet. 
.thursday...northwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$
fzus53 kgrr 221936
nshgrr
expires:202608230800;;183724

nearshore marine forecast
national weather service grand rapids mi
336 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz847-230800-
grand haven to whitehall mi-
336 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.through early evening...northwest winds 20 to 25 knots. mostly
sunny. a slight chance of waterspouts. waves 3 to 5 feet. 
.tonight...north winds 15 to 25 knots. partly cloudy. isolated rain
showers in the evening. a slight chance of waterspouts through the
night. waves 3 to 5 feet subsiding to 2 to 4 feet in the late
evening and overnight. 
.sunday...northwest winds 15 to 25 knots increasing to 30 knots
early in the afternoon. mostly sunny. a slight chance of
waterspouts. waves 4 to 6 feet. 
.sunday night...north winds 15 to 25 knots decreasing to 10 to
15 knots after midnight. mostly clear. waves 3 to 5 feet subsiding
to 2 to 4 feet in the late evening and overnight. 
.monday...northwest winds 10 to 20 knots. sunny. waves 2 to 4 feet. 
.monday night...northwest winds 10 to 20 knots veering north 5 to
10 knots in the late evening and early morning, then veering east
after midnight. partly cloudy. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots veering southwest 10 to
15 knots in the late morning and afternoon. mostly sunny. waves
around 1 foot. 
.wednesday...southwest winds 20 to 25 knots. partly sunny with a
chance of rain showers. waves 3 to 5 feet. 
.thursday...northwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$
fzus53 kgrr 221936
nshgrr
expires:202608230800;;183723

nearshore marine forecast
national weather service grand rapids mi
336 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz848-230800-
whitehall to pentwater mi-
336 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.through early evening...northwest winds 20 to 25 knots. mostly
sunny. a slight chance of waterspouts. waves 3 to 5 feet. 
.tonight...north winds 15 to 25 knots. partly cloudy. isolated
showers and thunderstorms in the evening. a slight chance of
waterspouts through the night. waves 3 to 5 feet. 
.sunday...northwest winds 20 to 25 knots. mostly sunny. a slight
chance of waterspouts. waves 4 to 6 feet. 
.sunday night...north winds 15 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.monday...northwest winds 15 to 20 knots. sunny. waves 2 to 4 feet. 
.monday night...northwest winds 10 to 15 knots backing west 5 to
10 knots in the late evening and early morning, then backing south
after midnight. partly cloudy. waves 1 to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. mostly sunny. waves around
1 foot. 
.wednesday...southwest winds 15 to 25 knots. mostly sunny with a
chance of rain showers. waves 4 to 6 feet. 
.thursday...northwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 

$$
fzus53 kgrr 221936
nshgrr
expires:202608230800;;183722

nearshore marine forecast
national weather service grand rapids mi
336 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz849-230800-
pentwater to manistee mi-
336 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.through early evening...northwest winds 15 to 20 knots. mostly
sunny with isolated showers and thunderstorms. a slight chance of
waterspouts. waves 2 to 4 feet. 
.tonight...north winds 15 to 25 knots. partly cloudy. isolated
showers and thunderstorms in the evening. a slight chance of
waterspouts through the night. waves 2 to 4 feet building to 3 to
5 feet in the late evening and overnight. 
.sunday...northwest winds 20 to 25 knots. mostly sunny with a slight
chance of rain showers. a slight chance of waterspouts. waves 4 to
6 feet. 
.sunday night...north winds 15 to 25 knots. partly cloudy. waves
3 to 5 feet. 
.monday...northwest winds 10 to 20 knots. sunny. waves 2 to 4 feet. 
.monday night...northwest winds 5 to 15 knots backing south after
midnight. partly cloudy. waves 1 to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. mostly sunny. waves around
1 foot. 
.wednesday...southwest winds 15 to 25 knots. partly sunny with a
chance of rain showers. waves 3 to 5 feet. 
.thursday...northwest winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 

$$
fzus53 kgrr 221936
nshgrr
expires:202608230800;;183727

nearshore marine forecast
national weather service grand rapids mi
336 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz844-230800-
st joseph to south haven mi-
336 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.through early evening...northwest winds 15 to 25 knots. sunny. a
slight chance of waterspouts. waves 4 to 6 feet. 
.tonight...north winds 15 to 20 knots. mostly clear. isolated rain
showers in the evening. a slight chance of waterspouts through the
night. waves 3 to 5 feet. 
.sunday...northwest winds 15 to 25 knots. sunny. a slight chance of
waterspouts. waves 4 to 6 feet. 
.sunday night...north winds 10 to 20 knots decreasing to 5 to
10 knots after midnight. mostly clear. waves 4 to 6 feet subsiding
to 2 to 4 feet after midnight. 
.monday...northwest winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.monday night...north winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves 1 to 2 feet. 
.tuesday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly sunny. waves 1 foot or less. 
.wednesday...southwest winds 10 to 20 knots. mostly sunny. waves
1 to 3 feet. 
.thursday...west winds around 15 knots veering northwest early in
the afternoon. mostly sunny. waves 2 to 4 feet. 

$$
fzus53 kiwx 221947
nshiwx
expires:202608230215;;183953

nearshore marine forecast
national weather service northern indiana
347 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz043-230215-
new buffalo mi to st joseph mi-
347 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.tonight...northwest winds 10 to 15 knots becoming north. a
slight chance of waterspouts. a slight chance of showers and
thunderstorms late this evening. waves 3 to 5 feet diminishing to
2 to 3 feet. 
.sunday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots. a slight chance of waterspouts in
the morning. a slight chance of showers in the morning. waves 2 
to 3 feet building to 3 to 5 feet. 
.sunday night...north winds 5 to 15 knots diminishing to less
than 10 knots. mostly clear. waves 3 to 5 feet subsiding to 2 to
3 feet. 
.monday...north winds 10 knots or less becoming northwest. mostly
sunny. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at michigan city is 71 degrees.

$$
fzus53 kiwx 221947
nshiwx
expires:202608230215;;183952

nearshore marine forecast
national weather service northern indiana
347 pm edt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz046-230215-
michigan city in to new buffalo mi-
347 pm edt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.tonight...northwest winds 10 to 15 knots becoming north. a
slight chance of waterspouts. a slight chance of showers and
thunderstorms this evening. waves 3 to 5 feet diminishing to 2 to
3 feet. 
.sunday...northwest winds 10 to 15 knots. a slight chance of
waterspouts in the morning. a slight chance of showers in the
morning. waves 2 to 3 feet building to 3 to 5 feet. 
.sunday night...north winds 10 knots or less. mostly clear. 
waves 3 to 5 feet subsiding to 2 to 3 feet. 
.monday...west winds 10 knots or less becoming north. mostly
sunny. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at michigan city is 71 degrees.

$$
fzus53 klot 222031
nshlot
expires:202608230445;;186169

nearshore marine forecast
national weather service chicago/romeoville il
331 pm cdt sat aug 22 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.


lmz740-230445-
winthrop harbor to wilmette harbor il-
331 pm cdt sat aug 22 2026

.late this afternoon...northwest winds 15 to 20 kt. slight chance
of showers and thunderstorms. waves 1 to 3 ft building to 2 to 4
ft.  
.tonight...northwest winds 10 to 20 kt. slight chance of showers 
and thunderstorms in the evening. slight chance of waterspouts. 
waves 1 to 3 ft building to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt. slight chance of 
waterspouts in the morning. waves 2 to 4 ft. 
.sunday night...north winds 5 to 10 kt. mostly clear. waves 2 to 
4 ft subsiding to 1 to 3 ft. 
.monday...northwest winds 5 to 10 kt becoming northeast in the 
afternoon. mostly sunny. waves 1 to 3 ft. 

$$
fzus53 klot 222031
nshlot
expires:202608230445;;186170

nearshore marine forecast
national weather service chicago/romeoville il
331 pm cdt sat aug 22 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>743-230445-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
331 pm cdt sat aug 22 2026

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

.late this afternoon...east winds around 10 kt becoming northwest
15 to 20 kt. slight chance of showers and thunderstorms. waves 1 
to 3 ft building to 2 to 4 ft.
.tonight...northwest winds 10 to 20 kt. slight chance of showers 
and thunderstorms in the evening. slight chance of waterspouts. 
waves 2 to 4 ft building to 3 to 6 ft occasionally to 8 ft late. 
.sunday...northwest winds 15 to 20 kt becoming north late. slight
chance of waterspouts in the morning. waves 3 to 6 ft 
occasionally to 8 ft. 
.sunday night...north winds 10 to 15 kt diminishing to 5 to 10 
kt. mostly clear. waves 3 to 5 ft subsiding to 1 to 3 ft.
.monday...west winds 5 to 10 kt becoming northeast in the 
afternoon. mostly sunny in the morning, then becoming partly 
cloudy. waves 1 to 3 ft. 

$$
fzus53 klot 222031
nshlot
expires:202608230445;;186171

nearshore marine forecast
national weather service chicago/romeoville il
331 pm cdt sat aug 22 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.


lmz744-745-230445-
gary to burns harbor in-burns harbor to michigan city in-
331 pm cdt sat aug 22 2026

...small craft advisory in effect through sunday evening...

.late this afternoon...north winds 5 to 10 kt becoming northwest
10 to 20 kt towards sunset. slight chance of showers and 
thunderstorms. waves 3 to 5 ft. 
.tonight...northwest winds 10 to 20 kt becoming north. slight 
chance of showers and thunderstorms. slight chance of 
waterspouts. waves 3 to 6 ft occasionally to 8 ft. 
.sunday...northwest winds 15 to 20 kt becoming north. slight 
chance of waterspouts in the morning. waves 4 to 6 ft 
occasionally to 8 ft. 
.sunday night...north winds 10 to 15 kt diminishing to 5 to 10 
kt and becoming west late. partly cloudy in the evening, then 
becoming mostly clear. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday...southwest winds 5 to 10 kt becoming north in the 
afternoon and then northeast late. partly cloudy in the morning 
then clearing. waves 1 to 3 ft. 

$$
fzus53 kmkx 222010
nshmkx
expires:202608230900;;185666

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz644-230900-
port washington to north point light wi-
310 pm cdt sat aug 22 2026

.through early evening...northwest wind 10 to 15 knots veering
north late in the afternoon. partly sunny with a 40 percent
chance of showers and thunderstorms. slight chance of
waterspouts. waves around 1 foot. 
.tonight...north wind 10 to 15 knots backing northwest early in
the morning. slight chance of showers and thunderstorms in the
evening. slight chance of waterspouts through the night. waves
1 to 2 feet. 
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. sunny in the morning then becoming partly sunny. waves
1 to 2 feet. 
.sunday night...north wind 5 to 15 knots veering northeast 5 to
10 knots in the late evening and early morning, then backing
north early in the morning. mostly clear. waves 1 to 2 feet. 
.monday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves 1 to 2 feet. 

$$
fzus53 kmkx 222010
nshmkx
expires:202608230900;;185665

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz643-230900-
sheboygan to port washington wi-
310 pm cdt sat aug 22 2026

.through early evening...north wind 10 to 15 knots. partly sunny
with a 50 percent chance of showers and thunderstorms. slight
chance of waterspouts. waves around 1 foot. 
.tonight...north wind 10 to 15 knots backing northwest early in
the morning. chance of showers and thunderstorms in the evening.
slight chance of waterspouts through the night. waves 1 to
2 feet. 
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. sunny. waves 1 to 2 feet. 
.sunday night...northeast wind 10 to 15 knots becoming north 5 to
10 knots after midnight. partly cloudy through around midnight
then becoming clear. waves 1 to 2 feet. 
.monday...northwest wind 10 to 15 knots veering north late in the
morning, then becoming northeast 5 to 10 knots early in the
afternoon veering east late in the afternoon. sunny. waves 1 to
2 feet. 

$$
fzus53 kmkx 222010
nshmkx
expires:202608230900;;185667

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz645-230900-
north point light to wind point wi-
310 pm cdt sat aug 22 2026

.through early evening...north wind 10 to 15 knots. partly sunny
with a 40 percent chance of showers and thunderstorms. slight
chance of waterspouts. waves 1 to 2 feet. 
.tonight...north wind 10 to 15 knots backing northwest early in
the morning. slight chance of showers and thunderstorms in the
evening. slight chance of waterspouts through the night. waves
1 to 2 feet. 
.sunday...northwest wind 10 to 15 knots veering north late in the
afternoon. slight chance of waterspouts in the morning. waves
1 to 2 feet. 
.sunday night...north wind 10 to 15 knots becoming northeast 5 to
10 knots in the late evening and early morning, then backing
north early in the morning. mostly clear. waves 1 to 3 feet. 
.monday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves 1 to 2 feet. 

$$
fzus53 kmkx 222010
nshmkx
expires:202608230900;;185668

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt sat aug 22 2026

for waters within five nautical miles of shore on lake michigan


lmz646-230900-
wind point wi to winthrop harbor il-
310 pm cdt sat aug 22 2026

.through early evening...north wind 10 to 15 knots. partly sunny
with a 40 percent chance of showers and thunderstorms. slight
chance of waterspouts. waves 1 to 2 feet. 
.tonight...north wind 10 to 15 knots backing northwest early in
the morning. slight chance of showers and thunderstorms in the
evening. slight chance of waterspouts through the night. waves
1 to 2 feet. 
.sunday...northwest wind 10 to 15 knots. slight chance of
waterspouts in the morning. waves 1 to 2 feet. 
.sunday night...north wind 5 to 10 knots veering northeast in the
late evening and early morning, then backing northwest early in
the morning. mostly clear. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots veering northeast late in
the afternoon. sunny. waves 1 to 2 feet. 

$$
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