fzus53 kapx 211508
nshapx
expires:202605212315;;404880

nearshore marine forecast
national weather service gaylord mi
1108 am edt thu may 21 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.


lmz346-212315-
manistee to point betsie mi-
1108 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots becoming north in the
afternoon. partly sunny. waves 2 feet or less. 
.tonight...east wind 10 to 15 knots. partly cloudy. waves 2 feet
or less. 
.friday...east wind 10 to 15 knots. partly sunny. waves 2 feet or
less. 
.friday night...east wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 211809
nshgrb
expires:202605212200;;410814

nearshore marine forecast
national weather service green bay wi
109 pm cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-212200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
109 pm cdt thu may 21 2026

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

.this afternoon...ne wind 10 to 15 kts. waves 1 to 3 ft. partly
sunny. 
.tonight...ne wind 10 to 15 kts veering e in the late evening and
overnight. waves 1 to 3 ft. partly cloudy in the evening then
becoming mostly cloudy. 
.friday...ne wind 10 to 20 kts. waves 1 to 3 ft building to 2 to
4 ft in the afternoon. partly sunny. 
.friday night...e wind 15 to 25 kts backing ne 10 to 15 kts in
the late evening and overnight. waves 3 to 5 ft. a chance of
showers after midnight.  

$$

fzus53 kgrr 211823
nshgrr
expires:202605220800;;411684

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-220800-
pentwater to manistee mi-
223 pm edt thu may 21 2026

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

$$

fzus53 kgrr 211823
nshgrr
expires:202605220800;;411685

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-220800-
whitehall to pentwater mi-
223 pm edt thu may 21 2026

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

$$

fzus53 kgrr 211823
nshgrr
expires:202605220800;;411686

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-220800-
grand haven to whitehall mi-
223 pm edt thu may 21 2026

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

$$

fzus53 kgrr 211823
nshgrr
expires:202605220800;;411688

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-220800-
south haven to holland mi-
223 pm edt thu may 21 2026

.through early evening...north winds 10 to 15 knots. partly sunny.
waves around 1 foot. 
.tonight...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 20 knots. cloudy with rain showers
likely. waves 1 to 2 feet. 
.saturday...east winds 15 to 20 knots backing north early in the
afternoon. rain showers likely. waves 1 to 2 feet. 
.saturday night...north winds 5 to 15 knots veering east after
midnight. mostly cloudy. waves around 1 foot. 
.sunday...southeast winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...southeast winds 5 to 10 knots veering northwest
early in the afternoon. partly sunny. waves less than 1 foot. 
.tuesday...south winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 211823
nshgrr
expires:202605220800;;411687

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-220800-
holland to grand haven mi-
223 pm edt thu may 21 2026

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

$$

fzus53 kgrr 211823
nshgrr
expires:202605220800;;411689

nearshore marine forecast
national weather service grand rapids mi
223 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-220800-
st joseph to south haven mi-
223 pm edt thu may 21 2026

.through early evening...north winds around 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.friday...east winds 15 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.friday night...east winds 15 to 20 knots. cloudy with rain showers
likely. waves 1 to 2 feet. 
.saturday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly cloudy with rain showers likely. waves around
1 foot. 
.saturday night...north winds around 10 knots veering southeast
after midnight. mostly cloudy. waves around 1 foot. 
.sunday...south winds around 5 knots veering northwest early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 foot
or less. 
.memorial day...southeast winds around 5 knots veering south in the
late morning and early afternoon, then veering northwest early in
the afternoon. partly sunny. waves less than 1 foot. 
.tuesday...southeast winds 5 to 10 knots veering southwest in the
late morning and early afternoon, then veering north early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kiwx 211443
nshiwx
expires:202605212015;;404286

nearshore marine forecast
national weather service northern indiana
1043 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-212015-
new buffalo mi to st joseph mi-
1043 am edt thu may 21 2026

.this afternoon...east winds 10 to 15 knots becoming north. mostly
sunny. waves 1 to 2 feet building to 2 to 4 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. partly
cloudy in the evening, then becoming mostly cloudy. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 10 to 15 knots. gusts up to 25 knots.
showers likely in the evening, then showers overnight. waves 1 to
2 feet. 

the water temperature at st. joseph is 48 degrees and at michigan
city is 55 degrees.

$$

fzus53 kiwx 211443
nshiwx
expires:202605212015;;404285

nearshore marine forecast
national weather service northern indiana
1043 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-212015-
michigan city in to new buffalo mi-
1043 am edt thu may 21 2026

.this afternoon...east winds 10 to 15 knots becoming north. gusts
up to 25 knots. mostly sunny. waves 1 to 2 feet building to 2 to
4 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. gusts up
to 25 knots. partly cloudy in the evening, then becoming mostly
cloudy. waves 2 to 4 feet. 
.friday...east winds 10 to 15 knots. a chance of showers in the
afternoon. waves 1 to 2 feet. 
.friday night...east winds 10 to 15 knots becoming northeast.
showers likely in the evening, then showers overnight. waves 1 to
2 feet. 

the water temperature at st. joseph is 48 degrees and at michigan
city is 55 degrees.

$$

fzus53 klot 211515
nshlot
expires:202605212130;;405381

nearshore marine forecast
national weather service chicago/romeoville il
1015 am cdt thu may 21 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>745-212130-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
1015 am cdt thu may 21 2026

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

.rest of today...northeast winds 15 to 20 kt increasing to 20 to 
25 kt. partly cloudy. waves 2 to 4 ft building to 3 to 6 ft
occasionally to 8 ft late.
.tonight...northeast winds 20 to 25 kt becoming east and 
diminishing to 10 to 15 kt overnight. partly cloudy in the 
evening, then becoming mostly cloudy. waves 3 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft. 
.friday...east winds 15 to 20 kt becoming northeast. mostly
cloudy. waves 2 to 4 ft. 
.friday night...east winds 15 to 20 kt. chance of showers. waves 
2 to 4 ft. 

$$

fzus53 klot 211515
nshlot
expires:202605212130;;405380

nearshore marine forecast
national weather service chicago/romeoville il
1015 am cdt thu may 21 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>742-212130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
1015 am cdt thu may 21 2026

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

.rest of today...northeast winds 15 to 20 kt increasing to 20 to
25 kt late. mostly cloudy late in the morning, then becoming
partly cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.tonight...northeast winds 20 to 25 kt becoming east 15 to 20 kt 
overnight. mostly cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.friday...east winds 15 to 25 kt becoming northeast. mostly 
cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.friday night...east winds 20 to 25 kt becoming northeast 15 to
20 kt. a few showers possible. waves 4 to 6 ft occasionally to 8 
ft.

$$

fzus53 kmkx 211810
nshmkx
expires:202605212200;;411122

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-212200-
wind point wi to winthrop harbor il-
110 pm cdt thu may 21 2026

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

.rest of today...northeast wind 10 to 15 knots becoming north
15 to 20 knots late in the afternoon. gusts up to 25 knots.
chance of sprinkles early in the afternoon. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east after
midnight. mostly cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. mostly cloudy. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 10 to
20 knots late in the evening, then becoming 15 to 20 knots after
midnight backing northeast early in the morning. chance of
showers through around midnight, then showers after midnight.
waves 3 to 4 feet building to 4 to 6 feet in the late evening and
overnight. 

$$

fzus53 kmkx 211810
nshmkx
expires:202605212200;;411121

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-212200-
north point light to wind point wi-
110 pm cdt thu may 21 2026

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

.rest of today...northeast wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. mostly cloudy. waves 2 to 4 feet.
.tonight...northeast wind 15 to 20 knots veering east after
midnight. mostly cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. mostly cloudy. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 10 to
20 knots in the late evening and early morning, then backing
northeast 15 to 20 knots early in the morning. chance of showers
through around midnight, then showers after midnight. waves 4 to
6 feet building to 5 to 7 feet after midnight. 

$$

fzus53 kmkx 211810
nshmkx
expires:202605212200;;411120

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-212200-
port washington to north point light wi-
110 pm cdt thu may 21 2026

...small craft advisory in effect from friday morning through
saturday afternoon...

.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots. mostly cloudy. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then veering east after midnight becoming
east 10 to 15 knots early in the morning. mostly cloudy. waves
2 to 4 feet. 
.friday...east wind 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. partly sunny. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots becoming 10 to
20 knots in the late evening and early morning, then becoming
15 to 20 knots early in the morning. chance of showers through
the night. waves 3 to 4 feet building to 5 to 7 feet. 

$$

fzus53 kmkx 211810
nshmkx
expires:202605212200;;411119

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 pm cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-212200-
sheboygan to port washington wi-
110 pm cdt thu may 21 2026

...small craft advisory in effect from friday afternoon through
saturday afternoon...

.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots. mostly cloudy. waves 2 to 4 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming northeast 10 to 15 knots after midnight. partly
cloudy through around midnight then becoming mostly cloudy. waves
2 to 4 feet subsiding to 1 to 3 feet after midnight, then
building to 2 to 4 feet early in the morning. 
.friday...northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots late in the morning, then
rising to 15 to 20 knots in the afternoon. partly sunny. waves
2 to 4 feet. 
.friday night...northeast wind 15 to 20 knots veering east 10 to
20 knots late in the evening, then backing northeast 15 to
20 knots after midnight. chance of showers through around
midnight, then showers likely after midnight. waves 3 to 4 feet
building to 4 to 6 feet in the late evening and overnight. 

$$