fzus53 kapx 201400
nshapx
expires:202605202200;;348680

nearshore marine forecast
national weather service gaylord mi
1000 am 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.


lmz346-202200-
manistee to point betsie mi-
1000 am edt wed may 20 2026

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

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 201457
nshgrb
expires:202605202200;;350176

nearshore marine forecast
national weather service green bay wi
957 am 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-
957 am cdt wed may 20 2026

.this afternoon...ne wind 10 to 15 kts. waves 1 to 3 ft. mostly
sunny. 
.tonight...ne wind 10 to 15 kts. waves 1 to 3 ft. mostly clear. 
.thursday...ne wind 10 to 15 kts. waves 1 to 3 ft. partly cloudy.
.thursday night...ne wind 10 to 15 kts. waves 1 to 3 ft. partly
cloudy in the evening then becoming mostly cloudy.  

$$

fzus53 kgrr 201336
nshgrr
expires:202605202100;;348079

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

for waters within five nautical miles of shore on lake michigan


lmz845-202100-
south haven to holland mi-
936 am edt wed may 20 2026

...small craft advisory in effect from 1 pm edt this afternoon
through late tonight...

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

$$

fzus53 kgrr 201336
nshgrr
expires:202605202100;;348078

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

for waters within five nautical miles of shore on lake michigan


lmz846-202100-
holland to grand haven mi-
936 am edt wed may 20 2026

...small craft advisory in effect from 1 pm edt this afternoon
through late tonight...

.rest of today...northwest winds to 30 knots. mostly cloudy late in
the morning then becoming mostly sunny. waves 2 to 3 feet building
to 3 to 5 feet early in the afternoon. 
.tonight...north winds to 30 knots veering northeast 15 to 20 knots
in the late evening and overnight. partly cloudy. waves 3 to 5 feet
subsiding to 1 to 2 feet after midnight. 
.thursday...east winds 10 to 15 knots. mostly sunny. waves around
1 foot. 
.thursday night...east winds 15 to 20 knots. mostly cloudy. waves
1 to 2 feet. 
.friday...east winds 15 to 25 knots. mostly cloudy. waves 1 to
3 feet. 
.saturday...east winds 15 to 25 knots veering 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 west early in the
afternoon. mostly cloudy. waves less than 1 foot. 

$$

fzus53 kgrr 201336
nshgrr
expires:202605202100;;348076

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

for waters within five nautical miles of shore on lake michigan


lmz848-202100-
whitehall to pentwater mi-
936 am edt wed may 20 2026

.rest of today...north winds 15 to 25 knots. sunny. waves 2 to
4 feet. 
.tonight...north winds 15 to 25 knots veering northeast 10 to
20 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 2 feet. 
.thursday night...northeast winds 10 to 20 knots veering east in the
late evening and overnight. mostly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 25 knots. mostly cloudy. waves 1 to
2 feet. 
.saturday...east winds 15 to 20 knots backing north early in the
afternoon. mostly cloudy with a chance of 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. 

$$

fzus53 kgrr 201336
nshgrr
expires:202605202100;;348075

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

for waters within five nautical miles of shore on lake michigan


lmz849-202100-
pentwater to manistee mi-
936 am edt wed may 20 2026

.rest of today...north winds 15 to 25 knots. sunny. waves 2 to
4 feet.
.tonight...northeast winds 10 to 20 knots. mostly clear. 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 2 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. mostly cloudy. waves 1 to
2 feet. 
.saturday...northeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet. 
.sunday...southwest winds 5 to 10 knots. mostly cloudy. waves 1 foot
or less. 

$$

fzus53 kgrr 201336
nshgrr
expires:202605202100;;348077

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

for waters within five nautical miles of shore on lake michigan


lmz847-202100-
grand haven to whitehall mi-
936 am edt wed may 20 2026

.rest of today...northwest winds to 30 knots. mostly sunny. waves
3 to 5 feet. 
.tonight...north winds 15 to 25 knots veering northeast 10 to
20 knots in the late evening and overnight. partly cloudy. waves
3 to 5 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.thursday...east 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. mostly cloudy. waves
1 to 2 feet. 
.friday...east winds 15 to 25 knots. mostly cloudy. waves 1 to
3 feet. 
.saturday...east winds 15 to 25 knots veering west around 15 knots
early in the afternoon. mostly cloudy with a chance of 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. 

$$

fzus53 kgrr 201336
nshgrr
expires:202605202100;;348080

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

for waters within five nautical miles of shore on lake michigan


lmz844-202100-
st joseph to south haven mi-
936 am edt wed may 20 2026

...small craft advisory in effect from 1 pm edt this afternoon
through late tonight...

.rest of today...north winds 15 to 25 knots. partly sunny. waves
4 to 6 feet. 
.tonight...north winds 15 to 25 knots veering northeast after
midnight. partly cloudy. waves 4 to 6 feet. 
.thursday...east winds 10 to 20 knots backing northeast 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. mostly cloudy. waves 1 to
2 feet. 
.saturday...east winds around 15 knots backing northwest in the late
morning and afternoon. mostly cloudy. waves around 1 foot. 
.sunday...southeast winds around 5 knots veering southwest in the
late morning and early afternoon, then veering northwest early in
the afternoon. mostly cloudy. waves 1 foot or less. 

$$

fzus53 kiwx 201607
nshiwx
expires:202605202015;;352059

nearshore marine forecast
national weather service northern indiana
1207 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-202015-
new buffalo mi to st joseph mi-
1207 pm edt wed may 20 2026

...small craft advisory in effect through late tonight...

.this afternoon...north winds 10 to 15 knots. gusts up to
25 knots. partly sunny. waves 2 to 4 feet. 
.tonight...north winds 10 to 15 knots becoming northeast. gusts
up to 25 knots. partly cloudy. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.thursday...east winds 5 to 15 knots becoming north. mostly
sunny. waves 1 to 3 feet. 
.thursday night...northeast winds 5 to 15 knots becoming east.
partly cloudy. waves 1 to 2 feet. 

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

$$

fzus53 kiwx 201607
nshiwx
expires:202605202015;;352058

nearshore marine forecast
national weather service northern indiana
1207 pm edt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-202015-
michigan city in to new buffalo mi-
1207 pm edt wed may 20 2026

...small craft advisory in effect through late tonight...

.this afternoon...north winds 10 to 15 knots. partly sunny. waves
2 to 4 feet. 
.tonight...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. waves 1 to 3 feet. 

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

$$

fzus53 klot 201402
nshlot
expires:202605202145;;348823

nearshore marine forecast
national weather service chicago/romeoville il
902 am 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>745-202145-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
902 am cdt wed may 20 2026

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

.rest of today...north winds 15 to 25 kt. mostly cloudy. waves 3 
to 6 ft occasionally to 8 ft. 
.tonight...north winds 15 to 25 kt becoming northeast 15 to 20 kt 
overnight. partly cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.thursday...east winds 15 to 20 kt becoming north in the
afternoon. partly cloudy. waves 3 to 5 ft subsiding to 2 to 4 ft.
.thursday night...northeast winds 15 to 20 kt becoming east
overnight. mostly cloudy. waves 2 to 4 ft.  

$$

fzus53 klot 201402
nshlot
expires:202605202145;;348822

nearshore marine forecast
national weather service chicago/romeoville il
902 am 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>742-202145-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
902 am cdt wed may 20 2026

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

.rest of today...northeast winds 15 to 25 kt. partly cloudy. 
waves 3 to 6 ft occasionally to 8 ft. 
.tonight...northeast winds 15 to 25 kt diminishing to 15 to 20 kt
this evening. partly cloudy. waves 3 to 6 ft occasionally to 8 
ft. 
.thursday...northeast winds 15 to 20 kt. partly cloudy in the
morning, then becoming mostly cloudy. waves 3 to 6 ft 
occasionally to 8 ft subsiding to 2 to 4 ft. 
.thursday night...northeast winds 15 to 20 kt becoming east
overnight. mostly cloudy. waves 2 to 4 ft. 

$$

fzus53 kmkx 201610
nshmkx
expires:202605202200;;352452

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-202200-
sheboygan to port washington wi-
1110 am cdt wed may 20 2026

.rest of today...northeast wind 10 to 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
after midnight. partly cloudy. waves 2 to 4 feet. 
.thursday...northeast wind 10 to 15 knots. mostly sunny in the
morning then becoming mostly cloudy. waves 2 to 4 feet subsiding
to 1 to 3 feet in the 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 easing to 10 to 15 knots early in the morning.
mostly cloudy. waves 2 to 4 feet. 

$$

fzus53 kmkx 201610
nshmkx
expires:202605202200;;352453

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-202200-
port washington to north point light wi-
1110 am cdt wed may 20 2026

.rest of today...northeast wind 10 to 15 knots. mostly sunny.
waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots rising to 15 to 20 knots after midnight, then becoming
northeast 15 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 in the afternoon. mostly sunny in the morning then
becoming mostly cloudy. waves 3 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.thursday night...northeast wind 15 to 20 knots veering east
early in the morning. mostly cloudy. waves 3 to 4 feet. 

$$

fzus53 kmkx 201610
nshmkx
expires:202605202200;;352454

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-202200-
north point light to wind point wi-
1110 am cdt wed may 20 2026

...small craft advisory in effect from 3 pm cdt this afternoon
through thursday afternoon...

.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots. mostly sunny. waves 2 to 4 feet. 
.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 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. mostly cloudy. waves 3 to 4 feet. 

$$

fzus53 kmkx 201610
nshmkx
expires:202605202200;;352455

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt wed may 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-202200-
wind point wi to winthrop harbor il-
1110 am cdt wed may 20 2026

...small craft advisory in effect from 3 pm cdt this afternoon
through thursday afternoon...

.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots. sunny. waves 2 to 4 feet. 
.tonight...north wind 15 to 20 knots becoming northeast 10 to
15 knots late in the evening, then rising to 15 to 20 knots after
midnight becoming northeast 15 to 20 knots early in the morning.
partly cloudy. waves 3 to 4 feet building to 4 to 6 feet after
midnight. 
.thursday...northeast wind 15 to 20 knots becoming east 10 to
15 knots late in the morning, then backing northeast 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...northeast wind 15 to 20 knots veering east
after midnight. mostly cloudy. waves 3 to 4 feet. 

$$