fzus53 kapx 212012
nshapx
expires:202605220415;;418400

nearshore marine forecast
national weather service gaylord mi
412 pm 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.


lmz346-220415-
manistee to point betsie mi-
412 pm edt thu may 21 2026

.through early evening...north wind 10 to 15 knots. 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. 
.saturday...east wind 5 to 10 knots. chance of showers. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 211936
nshgrb
expires:202605212200;;416495

nearshore marine forecast
national weather service green bay wi
236 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-
236 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;;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;;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;;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;;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;;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 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 kiwx 212000
nshiwx
expires:202605220215;;417058

nearshore marine forecast
national weather service northern indiana
400 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz046-220215-
michigan city in to new buffalo mi-
400 pm edt thu may 21 2026

.tonight...northeast winds 10 to 20 knots becoming east 10 to 15
knots. a few gusts to 25 knots early evening. partly cloudy this 
evening, then becoming mostly cloudy. waves 2 to 4 feet subsiding 
to 1 to 2 feet. 
.friday...east winds 10 to 15 knots. a slight chance of showers.
waves 1 to 2 feet. 
.friday night...east winds 10 to 15 knots. a chance of showers in
the evening, then showers likely overnight. waves 1 to 2 feet. 
.saturday...northeast winds 5 to 10 knots becoming north. showers
likely in the morning, then a chance of showers in the afternoon.
waves 1 to 2 feet. 

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

$$

fzus53 kiwx 212000
nshiwx
expires:202605220215;;417059

nearshore marine forecast
national weather service northern indiana
400 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-220215-
new buffalo mi to st joseph mi-
400 pm edt thu may 21 2026

.tonight...northeast winds 10 to 20 knots becoming east 10 to 15
knots. partly cloudy this evening, then becoming mostly cloudy. 
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...east winds 10 to 15 knots. mostly cloudy. waves 1 to
2 feet. 
.friday night...east winds 10 to 15 knots. gusts up to 25 knots.
a chance of showers in the evening, then showers likely
overnight. waves 1 to 2 feet. 
.saturday...east winds 5 to 10 knots becoming north. showers
likely in the morning, then a chance of showers in the afternoon.
waves around 1 foot. 

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

$$

fzus53 klot 212015
nshlot
expires:202605220330;;418489

nearshore marine forecast
national weather service chicago/romeoville il
315 pm 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>745-220330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
315 pm cdt thu may 21 2026

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

.tonight...northeast winds 20 to 25 kt becoming east 10 to 20 kt.
mostly cloudy. waves 3 to 6 ft occasionally to 8 ft subsiding to 
2 to 4 ft.
.friday...east winds 10 to 20 kt becoming northeast. mostly 
cloudy. waves 2 to 4 ft.
.friday night...east winds 10 to 20 kt becoming northeast 10 to 15
kt. chance of showers. waves 2 to 4 ft. 
.saturday...northeast winds around 10 kt becoming north. chance 
of showers in the morning. waves 1 to 3 ft. 

$$

fzus53 klot 212015
nshlot
expires:202605220330;;418488

nearshore marine forecast
national weather service chicago/romeoville il
315 pm 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>742-220330-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
315 pm cdt thu may 21 2026

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

.tonight...northeast winds 20 to 25 kt becoming east 15 to 20 kt
late. 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...northeast winds 15 to 25 kt diminishing to 10 to 
20 kt. slight chance of showers in the evening, then chance of 
showers overnight. waves 3 to 6 ft occasionally to 8 ft. 
.saturday...northeast winds 10 to 20 kt becoming north around 10
kt. chance of showers in the morning. waves 3 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft.


$$

fzus53 kmkx 212010
nshmkx
expires:202605220900;;418326

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

for waters within five nautical miles of shore on lake michigan


lmz645-220900-
north point light to wind point wi-
310 pm cdt thu may 21 2026

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

.through early evening...north wind 5 to 15 knots becoming
northeast 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 late in the evening, then backing northeast 15 to
20 knots after midnight. chance of showers after midnight. waves
4 to 6 feet. 
.saturday...northeast wind 10 to 15 knots backing north early in
the afternoon, then veering northeast late in the afternoon.
chance of showers through the day. waves 4 to 6 feet subsiding to
3 to 4 feet in the afternoon. 

$$

fzus53 kmkx 212010
nshmkx
expires:202605220900;;418327

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

for waters within five nautical miles of shore on lake michigan


lmz646-220900-
wind point wi to winthrop harbor il-
310 pm cdt thu may 21 2026

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

.through early evening...north wind 5 to 10 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 late
in the evening, then backing northeast after midnight becoming
northeast 15 to 20 knots early in the morning. chance of showers
after midnight. waves 4 to 6 feet. 
.saturday...northeast wind 10 to 15 knots backing north early in
the afternoon, then becoming north 10 to 15 knots late in the
afternoon. chance of showers through the day. waves 3 to 4 feet. 

$$

fzus53 kmkx 212010
nshmkx
expires:202605220900;;418324

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

for waters within five nautical miles of shore on lake michigan


lmz643-220900-
sheboygan to port washington wi-
310 pm cdt thu may 21 2026

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

.through early evening...northeast wind 15 to 25 knots easing to
10 to 15 knots late in the afternoon. 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. 
.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 easing to 10 to 15 knots early in the
morning. chance of showers after midnight. waves 3 to 4 feet
building to 4 to 6 feet in the late evening and early morning,
then subsiding to 3 to 4 feet early in the morning. 
.saturday...northeast wind 10 to 15 knots. chance of showers
through the day. waves 3 to 4 feet. 

$$

fzus53 kmkx 212010
nshmkx
expires:202605220900;;418325

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

for waters within five nautical miles of shore on lake michigan


lmz644-220900-
port washington to north point light wi-
310 pm cdt thu may 21 2026

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

.through early evening...northeast wind 10 to 25 knots easing to
10 to 15 knots late in the afternoon. 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
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. partly sunny. waves 3 to 4 feet. 
.friday night...northeast wind 15 to 20 knots becoming 10 to
20 knots late in the evening, then becoming 15 to 20 knots after
midnight. chance of showers after midnight. waves 3 to 4 feet
building to 4 to 6 feet in the late evening and overnight. 
.saturday...northeast wind 10 to 15 knots. chance of showers
through the day. waves 4 to 6 feet subsiding to 3 to 4 feet in
the late morning and afternoon. 

$$