fzus53 kapx 210258
nshapx
expires:202605211100;;377599

nearshore marine forecast
national weather service gaylord mi
1058 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.


lmz346-211100-
manistee to point betsie mi-
1058 pm edt wed may 20 2026

.overnight...northeast wind 5 to 10 knots. mostly cloudy early in
the evening then becoming 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 210248
nshgrb
expires:202605211000;;377312

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

for waters within five nautical miles of shore on lake michigan


lmz542-543-211000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
948 pm cdt wed may 20 2026

.rest of 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. 
.friday...ne wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. waves 1 to 3 ft building to 3 to 5 ft in the
afternoon. mostly cloudy. a small craft advisory may be needed.  

$$

fzus53 kgrr 210136
nshgrr
expires:202605210800;;375163

nearshore marine forecast
national weather service grand rapids mi
936 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-
936 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 3 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
3 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 1 foot or less. 
.memorial day...northeast winds around 5 knots backing northwest
early in the afternoon. partly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 210136
nshgrr
expires:202605210800;;375162

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

for waters within five nautical miles of shore on lake michigan


lmz845-210800-
south haven to holland mi-
936 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 210136
nshgrr
expires:202605210800;;375161

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

for waters within five nautical miles of shore on lake michigan


lmz846-210800-
holland to grand haven mi-
936 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 2 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
2 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 210136
nshgrr
expires:202605210800;;375160

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

for waters within five nautical miles of shore on lake michigan


lmz847-210800-
grand haven to whitehall mi-
936 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 2 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 210136
nshgrr
expires:202605210800;;375159

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

for waters within five nautical miles of shore on lake michigan


lmz848-210800-
whitehall to pentwater mi-
936 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 210136
nshgrr
expires:202605210800;;375158

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

for waters within five nautical miles of shore on lake michigan


lmz849-210800-
pentwater to manistee mi-
936 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 210147
nshiwx
expires:202605210815;;375502

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

for waters within five nautical miles of shore on lake michigan


lmz043-210815-
new buffalo mi to st joseph mi-
947 pm edt wed may 20 2026

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

.overnight...north winds 10 to 15 knots becoming northeast.
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 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 kiwx 210147
nshiwx
expires:202605210815;;375501

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

for waters within five nautical miles of shore on lake michigan


lmz046-210815-
michigan city in to new buffalo mi-
947 pm edt wed may 20 2026

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

.overnight...north winds 10 to 15 knots becoming northeast.
partly cloudy. waves 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 210235
nshlot
expires:202605211000;;376854

nearshore marine forecast
national weather service chicago/romeoville il
935 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>745-211000-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
935 pm cdt wed may 20 2026

...small craft advisory in effect until 7 am cdt thursday...
 
.rest of tonight...northeast winds 15 to 25 kt becoming east and
diminishing to 15 to 20 kt towards daybreak. partly cloudy. waves
3 to 6 ft occasionally to 8 ft.
.thursday...east winds 10 to 20 kt becoming north and increasing
to 15 to 25 kt in the afternoon. partly cloudy. waves 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 klot 210235
nshlot
expires:202605211000;;376853

nearshore marine forecast
national weather service chicago/romeoville il
935 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>742-211000-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
935 pm cdt wed may 20 2026

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

.rest of tonight...north winds 15 to 25 kt becoming northeast and
increasing to 20 to 25 kt after midnight then becoming east and 
diminishing to 15 to 20 kt around daybreak. partly cloudy. waves 
3 to 6 ft occasionally to 8 ft.
.thursday...east winds 10 to 20 kt becoming northeast and
increasing to 15 to 25 kt in the afternoon. mostly cloudy. waves 3
to 6 ft occasionally to 8 ft subsiding to 3 to 5 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 kmkx 210210
nshmkx
expires:202605211000;;376526

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

for waters within five nautical miles of shore on lake michigan


lmz645-211000-
north point light to wind point wi-
910 pm cdt wed may 20 2026

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

.rest of tonight...northeast wind 15 to 20 knots. 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 backing north late in the
afternoon. partly sunny. waves 3 to 5 feet subsiding to 2 to
4 feet in the late morning and afternoon. 
.thursday night...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the evening, then becoming east 15 to 20 knots
after midnight. mostly 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. 

$$

fzus53 kmkx 210210
nshmkx
expires:202605211000;;376525

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

for waters within five nautical miles of shore on lake michigan


lmz644-211000-
port washington to north point light wi-
910 pm cdt wed may 20 2026

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

.rest of tonight...northeast wind 10 to 15 knots rising to 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 cloudy. waves 3 to 4 feet. 
.thursday night...northeast wind 15 to 20 knots easing to 10 to
15 knots late in the evening, then veering east 10 to 20 knots
after midnight. 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 210210
nshmkx
expires:202605211000;;376524

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

for waters within five nautical miles of shore on lake michigan


lmz643-211000-
sheboygan to port washington wi-
910 pm cdt wed may 20 2026

.rest of tonight...northeast wind 10 to 15 knots. gusts up to
20 knots. mostly cloudy just before midnight then becoming 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. partly sunny. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.thursday night...northeast wind 10 to 15 knots veering east
10 to 20 knots after midnight, then becoming 10 to 15 knots early
in the morning. partly cloudy through around midnight then
becoming mostly cloudy. waves 1 to 3 feet building to 2 to 4 feet
after midnight. 
.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 210210
nshmkx
expires:202605211000;;376527

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

for waters within five nautical miles of shore on lake michigan


lmz646-211000-
wind point wi to winthrop harbor il-
910 pm cdt wed may 20 2026

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

.rest of tonight...northeast wind 15 to 20 knots. 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 north 15 to 20 knots
late in the afternoon. partly sunny. waves 3 to 4 feet. 
.thursday night...north wind 15 to 20 knots becoming northeast
10 to 15 knots late in the evening, then becoming east 15 to
20 knots 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. 

$$