fzus53 kapx 210721
nshapx
expires:202605211530;;389103

nearshore marine forecast
national weather service gaylord mi
321 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.


lmz346-211530-
manistee to point betsie mi-
321 am edt thu may 21 2026

.today...northeast wind 10 to 15 knots. mostly sunny early in the
morning then becoming mostly cloudy. waves 2 feet or less. 
.tonight...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. 
.friday night...east wind 10 to 15 knots. rain showers likely.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 211103
nshgrb
expires:202605211600;;397102

nearshore marine forecast
national weather service green bay wi
603 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-211600-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
603 am cdt thu may 21 2026

.early this morning...ne wind 10 to 15 kts. waves 1 to 3 ft.
mostly clear. 
.today...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...ne wind 15 to 25 kts. waves 3 to 5 ft. a chance
of showers in the evening, then showers likely after midnight. a
small craft advisory may be needed.  

$$

fzus53 kgrr 211053
nshgrr
expires:202605212000;;396692

nearshore marine forecast
national weather service grand rapids mi
653 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-212000-
south haven to holland mi-
653 am edt thu may 21 2026

.today...east winds 10 to 15 knots backing north early in the
afternoon. mostly 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 20 to 25 knots. cloudy with rain showers
and a slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday...northeast winds 15 to 20 knots backing northwest early
in the afternoon. rain showers and a slight chance of thunderstorms.
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. 
.memorial day...north winds 5 to 10 knots backing northwest early in
the afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 211053
nshgrr
expires:202605212000;;396691

nearshore marine forecast
national weather service grand rapids mi
653 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-212000-
holland to grand haven mi-
653 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. 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. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. cloudy with rain showers
and a slight chance of thunderstorms. waves 2 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers and a slight chance of
thunderstorms. waves 1 to 3 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 northwest in the
late morning and afternoon. partly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211053
nshgrr
expires:202605212000;;396690

nearshore marine forecast
national weather service grand rapids mi
653 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-212000-
grand haven to whitehall mi-
653 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots backing north early in the
afternoon. mostly sunny in the morning then becoming mostly cloudy.
waves 1 to 2 feet. 
.tonight...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 20 to 25 knots. cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 3 feet. 
.sunday...south winds around 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 10 to
15 knots in the late morning and afternoon. partly sunny. waves
1 foot or less. 

$$

fzus53 kgrr 211053
nshgrr
expires:202605212000;;396689

nearshore marine forecast
national weather service grand rapids mi
653 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-212000-
whitehall to pentwater mi-
653 am edt thu may 21 2026

.today...northeast winds 10 to 15 knots backing north early in the
afternoon. mostly sunny in the morning then becoming 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 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. mostly cloudy with rain
showers likely. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. 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 15 knots backing southwest in
the late morning and early afternoon, then veering west early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211053
nshgrr
expires:202605212000;;396688

nearshore marine forecast
national weather service grand rapids mi
653 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-212000-
pentwater to manistee mi-
653 am edt thu may 21 2026

.today...northeast winds 10 to 20 knots backing north early in the
afternoon. mostly sunny in the morning then becoming 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 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. mostly cloudy with rain
showers likely. 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. 
.sunday...southwest winds 5 to 15 knots. mostly cloudy. waves 1 foot
or less. 
.memorial day...south winds 5 to 15 knots veering west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211053
nshgrr
expires:202605212000;;396693

nearshore marine forecast
national weather service grand rapids mi
653 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-212000-
st joseph to south haven mi-
653 am edt thu may 21 2026

.today...east winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 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. rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.saturday...east winds 15 to 20 knots backing northwest 10 to
15 knots early in the afternoon. mostly cloudy with rain showers and
a slight chance of thunderstorms. waves around 1 foot. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 foot
or less. 
.memorial day...north winds 5 to 10 knots becoming around 10 knots
early in the afternoon. partly sunny. waves less than 1 foot. 

$$

fzus53 kiwx 210754
nshiwx
expires:202605211415;;389901

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

for waters within five nautical miles of shore on lake michigan


lmz046-211415-
michigan city in to new buffalo mi-
354 am edt thu may 21 2026

.today...east winds 10 to 15 knots becoming north. gusts up to 20
knots. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. gusts up
to 20 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 54 degrees and at michigan
city is 55 degrees.

$$

fzus53 kiwx 210754
nshiwx
expires:202605211415;;389902

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

for waters within five nautical miles of shore on lake michigan


lmz043-211415-
new buffalo mi to st joseph mi-
354 am edt thu may 21 2026

.today...east winds 10 to 15 knots becoming north. mostly sunny.
waves 1 to 3 feet. 
.tonight...northeast winds 10 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. 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 54 degrees and at michigan
city is 55 degrees.

$$

fzus53 klot 211159
nshlot
expires:202605211515;;399152

nearshore marine forecast
national weather service chicago/romeoville il
659 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>742-211515-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
659 am cdt thu may 21 2026

...small craft advisory in effect until 1 pm cdt this afternoon...

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

$$

fzus53 klot 211159
nshlot
expires:202605211515;;399153

nearshore marine forecast
national weather service chicago/romeoville il
659 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>745-211515-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
659 am cdt thu may 21 2026

.today...east winds 15 to 20 kt becoming northeast 15 to 25 kt 
late. partly cloudy. waves 3 to 5 ft. 
.tonight...northeast winds 15 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 5 ft subsiding
to 2 to 4 ft. 
.friday...east winds 15 to 20 kt becoming northeast. chance of
showers in the afternoon. waves 2 to 4 ft. 
.friday night...east winds 10 to 20 kt. showers and slight chance
of thunderstorms. waves 2 to 4 ft.  

$$

fzus53 kmkx 211210
nshmkx
expires:202605211600;;400007

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz643-211600-
sheboygan to port washington wi-
710 am cdt thu may 21 2026

.today...northeast wind up to 30 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. 
.tonight...northeast wind 10 to 15 knots. mostly cloudy. waves
2 to 4 feet. 
.friday...northeast wind 10 to 15 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late morning and
early afternoon, then rising to 15 to 20 knots late 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. 

$$

fzus53 kmkx 211210
nshmkx
expires:202605211600;;400008

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz644-211600-
port washington to north point light wi-
710 am cdt thu may 21 2026

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

.today...northeast wind up to 30 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. 
.tonight...northeast wind 10 to 15 knots veering east with gusts
to around 20 knots early in the morning. mostly cloudy. waves
3 to 4 feet. 
.friday...east wind 10 to 15 knots backing northeast late in the
afternoon. gusts up to 20 knots. 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 211210
nshmkx
expires:202605211600;;400009

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz645-211600-
north point light to wind point wi-
710 am cdt thu may 21 2026

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

.today...northeast wind 10 to 20 knots becoming 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. 
.tonight...northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then veering east after midnight. mostly
cloudy. waves 3 to 4 feet. 
.friday...east wind 15 to 20 knots easing to 10 to 15 knots late
in the morning, then backing northeast early in the afternoon
becoming northeast 10 to 15 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 211210
nshmkx
expires:202605211600;;400010

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 am cdt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz646-211600-
wind point wi to winthrop harbor il-
710 am cdt thu may 21 2026

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

.today...northeast wind 10 to 20 knots becoming 15 to 20 knots
late in the morning, then easing to 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. chance
of sprinkles early in the afternoon. waves 3 to 4 feet. 
.tonight...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 3 to 4 feet. 
.friday...east wind 15 to 20 knots easing to 10 to 15 knots late
in the morning, then backing northeast early in the afternoon
becoming northeast 10 to 15 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. 

$$