fzus53 kapx 201802
nshapx
expires:202605210215;;356100

nearshore marine forecast
national weather service gaylord mi
202 pm edt wed may 20 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.


lmz346-210215-
manistee to point betsie mi-
202 pm edt wed may 20 2026

.tonight...northeast wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.thursday...northeast wind 10 to 15 knots. partly sunny. waves
2 feet or less. 
.thursday night...east wind 5 to 10 knots. mostly cloudy. waves
2 feet or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 201936
nshgrb
expires:202605202200;;362092

nearshore marine forecast
national weather service green bay wi
236 pm cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-202200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
236 pm cdt wed may 20 2026

.this afternoon...e wind 10 to 15 kts. waves 2 ft or less. partly
cloudy. 
.tonight...ne wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy. 
.thursday...ne wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy
in the morning then becoming mostly cloudy. 
.thursday night...ne wind 10 to 15 kts veering e in the late
evening and overnight. waves 1 to 3 ft. mostly cloudy.  

$$

fzus53 kgrr 201936
nshgrr
expires:202605210800;;362096

nearshore marine forecast
national weather service grand rapids mi
336 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz846-210800-
holland to grand haven mi-
336 pm edt wed may 20 2026

...small craft advisory in effect until 2 am edt thursday...

.through early evening...northwest winds 20 to 25 knots. sunny.
waves 3 to 5 feet. 
.tonight...north winds 15 to 25 knots veering northeast in the late
evening and overnight. partly cloudy. waves 3 to 5 feet subsiding to
1 to 2 feet after midnight. 
.thursday...northeast winds 10 to 20 knots. mostly sunny. waves
around 1 foot. 
.thursday night...east winds 15 to 20 knots. partly cloudy. waves
1 to 2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds to 30 knots. rain showers. waves 1 to
3 feet. 
.saturday...east winds 15 to 20 knots backing west 10 to 15 knots
early in the afternoon. mostly cloudy with rain showers. waves 1 to
3 feet. 
.sunday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...north winds 5 to 10 knots backing west in the late
morning and afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 201936
nshgrr
expires:202605210800;;362098

nearshore marine forecast
national weather service grand rapids mi
336 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz844-210800-
st joseph to south haven mi-
336 pm edt wed may 20 2026

...small craft advisory in effect until 2 am edt thursday...

.through early evening...north winds 20 to 25 knots. mostly sunny.
waves 3 to 5 feet. 
.tonight...north winds 15 to 25 knots veering northeast 10 to
20 knots after midnight. partly cloudy. waves 3 to 5 feet. 
.thursday...east winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 15 to 20 knots. rain showers. waves 1 to
2 feet. 
.saturday...east winds 10 to 15 knots veering west early in the
afternoon. mostly cloudy with a chance of rain showers. waves around
1 foot. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...northeast winds around 5 knots backing northwest
early in the afternoon. partly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 201936
nshgrr
expires:202605210800;;362097

nearshore marine forecast
national weather service grand rapids mi
336 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz845-210800-
south haven to holland mi-
336 pm edt wed may 20 2026

...small craft advisory in effect until 2 am edt thursday...

.through early evening...north winds 20 to 25 knots. sunny. waves
3 to 5 feet. 
.tonight...north winds 15 to 25 knots veering northeast after
midnight. partly cloudy. waves 3 to 5 feet subsiding to 2 to 3 feet
after midnight. 
.thursday...east winds 10 to 15 knots backing northeast early in the
afternoon. mostly sunny. waves around 1 foot. 
.thursday night...northeast winds 15 to 20 knots. partly cloudy.
waves 1 to 2 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 15 to 25 knots. rain showers. waves 1 to
2 feet. 
.saturday...east winds 15 to 20 knots veering west 10 to 15 knots
early in the afternoon. mostly cloudy with rain showers. waves
around 1 foot. 
.sunday...southeast winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...northeast winds around 5 knots backing northwest in
the late morning and afternoon. mostly sunny. waves less than
1 foot. 

$$

fzus53 kgrr 201936
nshgrr
expires:202605210800;;362095

nearshore marine forecast
national weather service grand rapids mi
336 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
336 pm edt wed may 20 2026

.through early evening...northwest winds 20 to 25 knots. sunny.
waves 2 to 4 feet. 
.tonight...north winds 15 to 25 knots veering northeast in the late
evening and overnight. partly cloudy. waves 2 to 4 feet.
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly sunny. waves around 1 foot. 
.thursday night...east winds 15 to 20 knots. partly cloudy. waves
1 to 2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds to 30 knots. rain showers. waves 1 to
3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. mostly cloudy with rain showers. waves 1 to
2 feet. 
.sunday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 201936
nshgrr
expires:202605210800;;362094

nearshore marine forecast
national weather service grand rapids mi
336 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
336 pm edt wed may 20 2026

.through early evening...north winds 20 to 25 knots. sunny. waves
2 to 4 feet. 
.tonight...north winds 15 to 25 knots veering northeast 10 to
15 knots after midnight. partly cloudy. waves 2 to 4 feet subsiding
to 1 to 3 feet in the late evening and overnight. 
.thursday...northeast winds 10 to 20 knots backing north early in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.thursday night...north winds 10 to 20 knots veering east in the
late evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. rain showers. waves 1 to
3 feet. 
.saturday...east winds 15 to 20 knots backing north early in the
afternoon. mostly cloudy with rain showers. waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...northeast winds 5 to 10 knots backing southwest
10 to 15 knots in the late morning and afternoon. mostly sunny.
waves 1 foot or less. 

$$

fzus53 kgrr 201936
nshgrr
expires:202605210800;;362093

nearshore marine forecast
national weather service grand rapids mi
336 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
336 pm edt wed may 20 2026

.through early evening...north winds 15 to 20 knots. sunny. waves
2 to 3 feet. 
.tonight...northeast winds 10 to 20 knots. partly cloudy. waves 2 to
3 feet. 
.thursday...northeast winds 5 to 15 knots backing north 10 to
20 knots early in the afternoon. mostly sunny. waves 1 to 3 feet. 
.thursday night...north winds 10 to 15 knots veering east in the
late evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 15 to 25 knots. cloudy with rain showers.
waves 1 to 2 feet. 
.saturday...east winds 10 to 20 knots backing northeast early in the
afternoon. rain showers. waves around 1 foot. 
.sunday...southwest winds 5 to 15 knots. mostly cloudy. waves 1 foot
or less. 
.memorial day...southwest winds 5 to 15 knots. mostly sunny. waves
1 foot or less. 

$$

fzus53 kiwx 201947
nshiwx
expires:202605210215;;362371

nearshore marine forecast
national weather service northern indiana
347 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-210215-
new buffalo mi to st joseph mi-
347 pm edt wed may 20 2026

...small craft advisory in effect until 2 am edt thursday...

.tonight...north winds 15 to 20 knots becoming northeast 10 to
15 knots. partly cloudy. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.thursday...east winds 10 to 15 knots becoming north. mostly
sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 5 to 15 knots becoming east.
partly cloudy in the evening, then becoming mostly cloudy. waves
1 to 2 feet. 
.friday...east winds 10 to 15 knots. a chance of showers in the
afternoon. waves 1 to 2 feet. 

the water temperature at st. joseph is 54 degrees and at michigan
city is 55 degrees.

$$

fzus53 kiwx 201947
nshiwx
expires:202605210215;;362370

nearshore marine forecast
national weather service northern indiana
347 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-210215-
michigan city in to new buffalo mi-
347 pm edt wed may 20 2026

...small craft advisory in effect until 2 am edt thursday...

.tonight...north winds 15 to 20 knots becoming northeast 10 to
15 knots. partly cloudy. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.thursday...east winds 10 to 15 knots becoming north. mostly
sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 5 to 15 knots becoming east.
partly cloudy in the evening, then becoming mostly cloudy. waves
2 to 3 feet. 
.friday...east winds 10 to 15 knots. a chance of showers in the
afternoon. waves 1 to 2 feet. 

the water temperature at st. joseph is 54 degrees and at michigan
city is 55 degrees.

$$

fzus53 klot 201920
nshlot
expires:202605210330;;361850

nearshore marine forecast
national weather service chicago/romeoville il
220 pm cdt wed may 20 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>742-210330-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
220 pm cdt wed may 20 2026

...small craft advisory in effect through thursday afternoon...

.late this afternoon...north winds 20 to 25 kt. mostly sunny. 
waves 3 to 6 ft occasionally to 8 ft. 
.tonight...north winds 15 to 25 kt becoming northeast. mostly
clear in the evening, then becoming partly cloudy. waves 3 to
6 ft occasionally to 8 ft. 
.thursday...northeast winds 10 to 20 kt becoming north late. 
partly cloudy. waves 3 to 6 ft occasionally to 8 ft subsiding to 
2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east 
overnight. partly cloudy in the evening, then becoming mostly 
cloudy. waves 2 to 4 ft. 
.friday...east winds increasing to 15 to 25 kt and becoming 
northeast. chance of showers in the afternoon. waves 2 to 4 ft
building to 3 to 5 ft.

$$

fzus53 klot 201920
nshlot
expires:202605210330;;361851

nearshore marine forecast
national weather service chicago/romeoville il
220 pm cdt wed may 20 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>745-210330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
220 pm cdt wed may 20 2026

...small craft advisory in effect through thursday morning...

.late this afternoon...north winds 20 to 25 kt. partly cloudy.
waves 3 to 6 ft occasionally to 8 ft. 
.tonight...north winds 15 to 25 kt becoming northeast. partly
cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.thursday...east winds 10 to 20 kt becoming north late. partly
cloudy. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east 10 to
15 kt overnight. partly cloudy in the evening, then becoming
mostly cloudy. waves 2 to 4 ft. 
.friday...east winds 10 to 20 kt becoming northeast. chance of
showers in the afternoon. waves 2 to 4 ft.  

$$

fzus53 kmkx 202011
nshmkx
expires:202605210900;;363928

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-210900-
port washington to north point light wi-
311 pm cdt wed may 20 2026

...small craft advisory in effect from thursday evening through
friday evening...

.through early evening...northeast wind 10 to 15 knots. sunny.
waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast wind 10 to 15 knots rising to 15 to 20 knots
late in the evening, then becoming northeast 15 to 20 knots after
midnight. partly cloudy. waves 3 to 4 feet. 
.thursday...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. mostly sunny in the morning then
becoming mostly cloudy. waves 3 to 4 feet. 
.thursday night...northeast wind 15 to 20 knots veering east
after midnight, then becoming 10 to 20 knots early in the
morning. partly cloudy through around midnight then becoming
mostly cloudy. waves 3 to 4 feet. 
.friday...east wind 10 to 20 knots becoming 15 to 20 knots late
in the morning, then backing northeast early in the afternoon
becoming northeast 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 

$$

fzus53 kmkx 202011
nshmkx
expires:202605210900;;363927

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-210900-
sheboygan to port washington wi-
311 pm cdt wed may 20 2026

.through early evening...northeast wind 10 to 15 knots. sunny.
waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast wind 10 to 15 knots rising to 15 to 20 knots
after midnight, then easing to 10 to 15 knots early in the
morning. partly cloudy. waves 2 to 4 feet. 
.thursday...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots in the afternoon. mostly sunny in the morning then
becoming mostly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.thursday night...northeast wind 10 to 15 knots becoming east
15 to 20 knots after midnight, then easing to 10 to 15 knots
early in the morning. mostly cloudy. waves 3 to 4 feet. 
.friday...east wind 10 to 15 knots backing northeast late in the
morning, then rising to 15 to 20 knots early in the afternoon
becoming northeast 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 

$$

fzus53 kmkx 202011
nshmkx
expires:202605210900;;363930

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-210900-
wind point wi to winthrop harbor il-
311 pm cdt wed may 20 2026

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

.through early evening...northeast wind 10 to 15 knots rising to
15 to 20 knots late in the afternoon. sunny. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots becoming 10 to 20 knots
early in the morning. partly cloudy. waves 3 to 4 feet. 
.thursday...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the morning, then becoming northeast 10 to
15 knots early in the afternoon becoming northeast 10 to 15 knots
with gusts to around 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 
.thursday night...north wind 15 to 20 knots veering east after
midnight. partly cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots backing northeast late in the
afternoon. slight chance of showers in the afternoon. waves 3 to
4 feet. 

$$

fzus53 kmkx 202011
nshmkx
expires:202605210900;;363929

nearshore marine forecast
national weather service milwaukee/sullivan wi
311 pm cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-210900-
north point light to wind point wi-
311 pm cdt wed may 20 2026

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

.through early evening...northeast wind 5 to 15 knots rising to
15 to 20 knots late in the afternoon. sunny. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots becoming 10 to 20 knots
early in the morning. partly cloudy. waves 3 to 4 feet. 
.thursday...northeast wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then becoming northeast 10 to
15 knots late in the afternoon. mostly sunny in the morning then
becoming mostly cloudy. waves 3 to 4 feet. 
.thursday night...northeast wind 15 to 20 knots veering east
10 to 20 knots after midnight, then becoming 15 to 20 knots early
in the morning. partly cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots backing northeast late in the
afternoon. partly sunny. waves 3 to 5 feet. 

$$