fzus53 kapx 200627
nshapx
expires:202605201430;;331541

nearshore marine forecast
national weather service gaylord mi
227 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.


lmz346-201430-
manistee to point betsie mi-
227 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.today...north wind 10 to 15 knots. mostly sunny early in the
morning then becoming 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 200624
nshgrb
expires:202605201000;;331202

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

for waters within five nautical miles of shore on lake michigan


lmz542-543-201000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
124 am cdt wed may 20 2026

.rest of the night...nw wind 5 to 10 kts. waves 2 ft or less.
mostly cloudy. 
.wednesday...n wind 5 to 10 kts veering ne 10 to 15 kts in the
late morning and afternoon. waves 2 ft or less. mostly sunny. 
.wednesday night...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.

$$

fzus53 kgrr 200623
nshgrr
expires:202605200800;;331118

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

for waters within five nautical miles of shore on lake michigan


lmz849-200800-
pentwater to manistee mi-
223 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...north winds 10 to 15 knots. mostly cloudy. waves
2 to 3 feet. 
.wednesday...north winds 15 to 25 knots. sunny. waves 2 to 3 feet. 
.wednesday night...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 2 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 around 1 foot. 
.sunday...southwest winds 5 to 10 knots. mostly cloudy. waves less
than 1 foot. 

$$

fzus53 kgrr 200623
nshgrr
expires:202605200800;;331119

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

for waters within five nautical miles of shore on lake michigan


lmz848-200800-
whitehall to pentwater mi-
223 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...north winds around 15 knots. mostly cloudy. waves
2 to 4 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet.
.wednesday night...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 less than 1 foot. 

$$

fzus53 kgrr 200623
nshgrr
expires:202605200800;;331120

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

for waters within five nautical miles of shore on lake michigan


lmz847-200800-
grand haven to whitehall mi-
223 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...northwest winds 15 to 20 knots. partly cloudy.
waves 2 to 4 feet. 
.wednesday...north winds to 30 knots. mostly sunny. waves 2 to
4 feet.
.wednesday night...north winds 15 to 25 knots veering northeast
10 to 20 knots in the late evening and overnight. partly cloudy.
waves 2 to 4 feet.
.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 1 foot or less. 

$$

fzus53 kgrr 200623
nshgrr
expires:202605200800;;331122

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

for waters within five nautical miles of shore on lake michigan


lmz845-200800-
south haven to holland mi-
223 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...northwest winds 15 to 20 knots. partly cloudy.
waves 2 to 4 feet. 
.wednesday...north winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 
.wednesday night...north winds 15 to 25 knots veering northeast in
the late evening and overnight. mostly clear. waves 3 to 5 feet
subsiding to 1 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 200623
nshgrr
expires:202605200800;;331121

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

for waters within five nautical miles of shore on lake michigan


lmz846-200800-
holland to grand haven mi-
223 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...northwest winds 15 to 20 knots. partly cloudy.
waves 2 to 4 feet. 
.wednesday...north winds to 30 knots. partly sunny. waves 2 to
4 feet.
.wednesday night...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
2 feet. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves 1 foot or less. 

$$

fzus53 kgrr 200623
nshgrr
expires:202605200800;;331123

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

for waters within five nautical miles of shore on lake michigan


lmz844-200800-
st joseph to south haven mi-
223 am edt wed may 20 2026

...small craft advisory in effect until 8 am edt this morning...

.rest of tonight...north winds 15 to 20 knots. partly cloudy. waves
2 to 4 feet. 
.wednesday...north winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 
.wednesday night...north winds 15 to 25 knots veering northeast
after midnight. partly cloudy. waves 3 to 5 feet. 
.thursday...east winds 10 to 20 knots backing northeast early in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.thursday night...northeast winds 10 to 15 knots. partly cloudy.
waves around 1 foot. 
.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 less than 1 foot. 

$$

fzus53 kiwx 200220
nshiwx
expires:202605200815;;323135

nearshore marine forecast
national weather service northern indiana
1020 pm edt tue may 19 2026

for waters within five nautical miles of shore on lake michigan


lmz043-200815-
new buffalo mi to st joseph mi-
1020 pm edt tue may 19 2026

.overnight...north winds 10 to 15 knots. mostly cloudy.
waves 2 to 3 feet. 
.wednesday...north winds 15 to 20 knots. gusts up to 25 knots.
partly sunny. waves 3 to 5 feet. 
.wednesday night...north winds 15 to 20 knots becoming northeast
10 to 15 knots. gusts up to 25 knots. partly cloudy. waves 3 to
5 feet subsiding to 2 to 3 feet. 
.thursday...east winds 5 to 15 knots becoming northeast. mostly
sunny. waves 1 to 2 feet. 

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

$$

fzus53 kiwx 200220
nshiwx
expires:202605200815;;323134

nearshore marine forecast
national weather service northern indiana
1020 pm edt tue may 19 2026

for waters within five nautical miles of shore on lake michigan


lmz046-200815-
michigan city in to new buffalo mi-
1020 pm edt tue may 19 2026

.overnight...north winds 10 to 15 knots. mostly cloudy.
waves 2 to 3 feet. 
.wednesday...north winds 15 to 20 knots. gusts up to 25 knots.
partly sunny. waves 2 to 4 feet building to 3 to 5 feet. 
.wednesday night...north winds 15 to 20 knots becoming northeast
5 to 15 knots. 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 northeast. mostly
sunny. waves 1 to 3 feet. 

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

$$

fzus53 klot 200247
nshlot
expires:202605200930;;323513

nearshore marine forecast
national weather service chicago/romeoville il
947 pm cdt tue may 19 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>745-200930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
947 pm cdt tue may 19 2026

...small craft advisory in effect from 7 am cdt wednesday through
late wednesday night...

.rest of tonight...northwest winds 10 to 20 kt becoming north 
after midnight. mostly cloudy. waves 1 to 3 ft building to 2 to 4 
ft. 
.wednesday...north winds 20 to 25 kt. mostly cloudy. waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday night...north winds 15 to 25 kt becoming northeast and
diminishing to around 15 kt overnight. partly cloudy. waves 4 to
6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.thursday...east winds 15 to 20 kt becoming northeast in the
afternoon. partly cloudy. waves 2 to 4 ft.  

$$

fzus53 klot 200247
nshlot
expires:202605200930;;323512

nearshore marine forecast
national weather service chicago/romeoville il
947 pm cdt tue may 19 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>742-200930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
947 pm cdt tue may 19 2026

...small craft advisory in effect from wednesday morning through
late wednesday night...

.rest of tonight...northwest winds 10 to 20 kt becoming north
after midnight. mostly cloudy. waves 1 to 3 ft building to 2 to 4
ft. 
.wednesday...north winds 15 to 20 kt becoming northeast 20 to
25 kt. mostly cloudy in the morning, then becoming partly cloudy.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 
.wednesday night...north winds 15 to 25 kt becoming northeast
15 to 20 kt. partly cloudy. waves 4 to 6 ft occasionally to 8 ft
subsiding to 3 to 6 ft.
.thursday...east winds 15 to 20 kt becoming northeast in the
afternoon. partly cloudy in the morning, then becoming mostly
cloudy. waves 2 to 4 ft.  

$$

fzus53 kmkx 200610
nshmkx
expires:202605200900;;330446

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

for waters within five nautical miles of shore on lake michigan


lmz646-200900-
wind point wi to winthrop harbor il-
110 am cdt wed may 20 2026

...small craft advisory in effect from this evening through
thursday morning...

.rest of tonight...northwest wind 10 to 15 knots veering north
early in the morning. partly cloudy. waves 1 to 2 feet. 
.wednesday...north wind 10 to 15 knots rising to 15 to 20 knots
late in the morning, then veering northeast in the afternoon.
partly sunny. waves 1 to 2 feet building to 3 to 4 feet in the
late morning and afternoon. 
.wednesday night...north wind 15 to 20 knots veering northeast
early in the morning. partly cloudy. waves 3 to 4 feet. 
.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. 

$$

fzus53 kmkx 200610
nshmkx
expires:202605200900;;330445

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

for waters within five nautical miles of shore on lake michigan


lmz645-200900-
north point light to wind point wi-
110 am cdt wed may 20 2026

...small craft advisory in effect from this evening through
thursday morning...

.rest of tonight...northwest wind 10 to 15 knots with gusts to
around 20 knots veering north early in the morning. partly
cloudy. waves 1 to 2 feet. 
.wednesday...north wind 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. mostly sunny. waves
1 to 2 feet building to 2 to 4 feet in the late morning and
afternoon. 
.wednesday night...northeast wind 15 to 20 knots becoming 10 to
20 knots after midnight, then becoming 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. partly sunny. waves 3 to 4 feet. 

$$

fzus53 kmkx 200610
nshmkx
expires:202605200900;;330444

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

for waters within five nautical miles of shore on lake michigan


lmz644-200900-
port washington to north point light wi-
110 am cdt wed may 20 2026

.rest of tonight...northwest wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.wednesday...north wind 10 to 15 knots veering northeast late in
the morning, then rising to 15 to 20 knots in the afternoon.
mostly sunny. waves 1 to 2 feet building to 2 to 4 feet in the
afternoon. 
.wednesday night...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. partly sunny. waves 3 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 

$$

fzus53 kmkx 200610
nshmkx
expires:202605200900;;330443

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

for waters within five nautical miles of shore on lake michigan


lmz643-200900-
sheboygan to port washington wi-
110 am cdt wed may 20 2026

.rest of tonight...northwest wind 10 to 15 knots. partly cloudy.
waves 1 to 2 feet. 
.wednesday...north wind 10 to 15 knots veering northeast late in
the afternoon. mostly sunny. waves 1 to 2 feet building to 2 to
4 feet late in the afternoon. 
.wednesday night...northeast wind 10 to 15 knots. partly cloudy.
waves 2 to 4 feet. 
.thursday...northeast wind 10 to 15 knots. partly sunny. waves
2 to 4 feet subsiding to 1 to 2 feet in the afternoon. 

$$