fzus53 kapx 310740
nshapx
expires:202603311545;;579403

nearshore marine forecast
national weather service gaylord mi
340 am edt tue mar 31 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.


lmz346-311545-
manistee to point betsie mi-
340 am edt tue mar 31 2026

.today...light winds becoming north 10 to 15 knots in the
morning. slight chance of showers early in the morning, then
showers likely and slight chance of thunderstorms in the morning.
waves 2 feet or less. 
.tonight...north wind 10 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.wednesday...northeast wind 10 to 20 knots. partly sunny. waves
2 to 4 feet. 
.wednesday night...east wind 10 to 20 knots. rain showers likely
and a chance of snow showers. waves 2 to 3 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 311100
nshgrb
expires:202603311600;;587067

nearshore marine forecast
national weather service green bay wi
600 am cdt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-311600-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
600 am cdt tue mar 31 2026

...small craft advisory in effect from this evening through late
thursday night...

.early this morning...nw wind 5 to 10 kts. waves 2 to 4 ft.
mostly cloudy. 
.today...n wind 10 to 15 kts. waves 2 to 4 ft subsiding to 1 to
3 ft in the afternoon. a chance of light rain in the morning. a
slight chance of thunderstorms. light rain likely in the
afternoon. 
.tonight...n wind 10 to 15 kts increasing to 15 to 25 kts in the
late evening and overnight. waves 2 to 4 ft building to 4 to 7 ft
after midnight. partly cloudy in the evening then becoming mostly
cloudy. 
.wednesday...ne wind to 30 kts. waves 4 to 7 ft building to 5 to
8 ft in the afternoon. mostly cloudy. 
.wednesday night...ne wind to 30 kts. waves 5 to 8 ft. a chance
of light snow and rain in the evening, then rain, light snow and
freezing rain after midnight.  

$$

fzus53 kgrr 310949
nshgrr
expires:202603312000;;584476

nearshore marine forecast
national weather service grand rapids mi
549 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz847-312000-
grand haven to whitehall mi-
549 am edt tue mar 31 2026

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

.today...southwest winds 10 to 15 knots veering northwest early in
the afternoon. a chance of showers and thunderstorms in the morning,
then rain showers likely and a chance of thunderstorms in the
afternoon. waves 4 to 6 feet. 
.tonight...north winds 15 to 25 knots. mostly cloudy with a chance
of showers and thunderstorms. waves 3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots. mostly cloudy with a
slight chance of rain showers. waves 2 to 3 feet. 
.wednesday night...east winds to 30 knots. mostly cloudy with rain
showers and a slight chance of thunderstorms. waves 2 to 3 feet. 
.thursday...east winds to 30 knots veering southeast early in the
afternoon. rain showers and a chance of thunderstorms. waves 2 to
4 feet building to 4 to 6 feet early in the afternoon. 
.friday...west winds to 30 knots veering northwest 15 to 20 knots in
the late morning and afternoon. partly sunny. waves 5 to 7 feet
subsiding to 3 to 5 feet in the late morning and afternoon. 
.saturday...southeast winds 20 to 25 knots veering southwest early
in the afternoon. rain showers. waves 3 to 6 feet.

$$

fzus53 kgrr 310949
nshgrr
expires:202603312000;;584479

nearshore marine forecast
national weather service grand rapids mi
549 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz844-312000-
st joseph to south haven mi-
549 am edt tue mar 31 2026

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

.today...southwest winds 15 to 25 knots. rain showers and a chance
of thunderstorms. waves 3 to 5 feet. 
.tonight...north winds 15 to 20 knots. rain showers and a chance of
thunderstorms. waves 3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 3 to 5 feet subsiding to 2 to 3 feet
early in the afternoon. 
.wednesday night...east winds 15 to 25 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 3 feet. 
.thursday...southeast winds 20 to 25 knots veering south early in
the afternoon. rain showers and a slight chance of thunderstorms.
waves 2 to 4 feet.
.friday...west winds 15 to 20 knots veering north 10 to 15 knots
early in the afternoon. partly sunny. waves 3 to 5 feet subsiding to
1 to 3 feet early in the afternoon. 
.saturday...south winds 15 to 25 knots veering southwest early in
the afternoon. rain showers and a chance of thunderstorms. waves
2 to 4 feet.

$$

fzus53 kgrr 310949
nshgrr
expires:202603312000;;584478

nearshore marine forecast
national weather service grand rapids mi
549 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz845-312000-
south haven to holland mi-
549 am edt tue mar 31 2026

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

.today...southwest winds 20 to 25 knots veering west 15 to 20 knots
early in the afternoon. a chance of thunderstorms and a slight
chance of rain showers in the morning, then rain showers and a
chance of thunderstorms in the afternoon. waves 4 to 6 feet. 
.tonight...north winds 15 to 25 knots. rain showers and a chance of
thunderstorms. waves 3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 2 to 4 feet.
.wednesday night...east winds 15 to 25 knots. rain showers and a
slight chance of thunderstorms. waves 1 to 3 feet. 
.thursday...southeast winds 20 to 25 knots veering south to 30 knots
early in the afternoon. rain showers and a slight chance of
thunderstorms. waves 1 to 3 feet building to 2 to 4 feet early in
the afternoon. 
.friday...west winds 15 to 25 knots veering northwest around
15 knots early in the afternoon. partly sunny. waves 4 to 6 feet
subsiding to 2 to 3 feet early in the afternoon. 
.saturday...south winds 15 to 25 knots veering southwest early in
the afternoon. rain showers and a chance of thunderstorms. waves
2 to 3 feet building to 3 to 5 feet in the late morning and
afternoon. 

$$

fzus53 kgrr 310949
nshgrr
expires:202603312000;;584477

nearshore marine forecast
national weather service grand rapids mi
549 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz846-312000-
holland to grand haven mi-
549 am edt tue mar 31 2026

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

.today...southwest winds 15 to 25 knots veering west 10 to 20 knots
early in the afternoon. a chance of showers and thunderstorms in the
morning, then rain showers likely and a chance of thunderstorms in
the afternoon. waves 4 to 6 feet. 
.tonight...north winds 15 to 25 knots. mostly cloudy with a chance
of thunderstorms and a slight chance of rain showers. waves 3 to
5 feet. 
.wednesday...northeast winds 15 to 20 knots. mostly cloudy with a
chance of rain showers. waves 2 to 3 feet. 
.wednesday night...east winds to 30 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 3 feet building to 2 to 4 feet
in the late evening and overnight. 
.thursday...east winds to 30 knots veering southeast early in the
afternoon. rain showers and a chance of thunderstorms. waves 3 to
5 feet. 
.friday...west winds to 30 knots veering northwest 15 to 20 knots in
the late morning and afternoon. partly sunny. waves 5 to 7 feet
subsiding to 3 to 5 feet in the late morning and afternoon. 
.saturday...southeast winds 20 to 25 knots veering south to 30 knots
in the late morning and afternoon. rain showers and a chance of
thunderstorms. waves 2 to 4 feet building to 4 to 6 feet early in
the afternoon. 

$$

fzus53 kgrr 310949
nshgrr
expires:202603312000;;584475

nearshore marine forecast
national weather service grand rapids mi
549 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz848-312000-
whitehall to pentwater mi-
549 am edt tue mar 31 2026

.today...southwest winds 5 to 10 knots veering west in the late
morning and early afternoon, then veering northwest 10 to 20 knots
early in the afternoon. rain showers and a chance of thunderstorms.
waves 3 to 5 feet. 
.tonight...north winds 15 to 25 knots. partly cloudy. waves 3 to
5 feet. 
.wednesday...northeast winds 15 to 20 knots. mostly cloudy. waves
3 to 5 feet subsiding to 2 to 3 feet early in the afternoon. 
.wednesday night...east winds 15 to 25 knots. mostly cloudy with
rain showers. waves 2 to 3 feet. 
.thursday...southeast winds to 30 knots. rain showers and a slight
chance of thunderstorms. waves 3 to 5 feet. 
.friday...west winds 15 to 25 knots veering north around 15 knots
early in the afternoon. partly sunny. waves 5 to 7 feet subsiding to
3 to 5 feet in the late morning and afternoon. 
.saturday...southeast winds 20 to 25 knots veering southwest early
in the afternoon. rain showers. waves 2 to 3 feet building to 4 to
6 feet in the late morning and afternoon. 

$$

fzus53 kgrr 310949
nshgrr
expires:202603312000;;584474

nearshore marine forecast
national weather service grand rapids mi
549 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz849-312000-
pentwater to manistee mi-
549 am edt tue mar 31 2026

.today...southwest winds 5 to 10 knots veering west 10 to 15 knots
in the late morning and early afternoon, then veering northwest
15 to 20 knots early in the afternoon. a chance of rain showers and
a slight chance of thunderstorms in the morning, then rain showers
likely and a chance of thunderstorms in the afternoon. waves 1 to
3 feet.
.tonight...north winds 15 to 25 knots. partly cloudy. waves 4 to
6 feet. 
.wednesday...northeast winds 15 to 25 knots. mostly cloudy. waves
4 to 6 feet. 
.wednesday night...northeast winds 15 to 25 knots. mostly cloudy
with rain showers and a slight chance of snow showers. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.thursday...east winds to 30 knots. rain showers and a slight chance
of thunderstorms. waves 2 to 4 feet.
.friday...west winds to 30 knots decreasing to 15 to 20 knots in the
late morning and early afternoon, then veering north early in the
afternoon. partly sunny. waves 5 to 7 feet subsiding to 3 to 5 feet
in the late morning and afternoon. 
.saturday...southeast winds 15 to 25 knots veering south early in
the afternoon. rain showers. waves 2 to 3 feet building to 4 to
6 feet in the late morning and afternoon. 

$$

fzus53 kiwx 310756
nshiwx
expires:202603311415;;579674

nearshore marine forecast
national weather service northern indiana
356 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz046-311415-
michigan city in to new buffalo mi-
356 am edt tue mar 31 2026

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

.today...southwest winds 15 to 25 knots diminishing to 10 to
15 knots. gusts up to 30 knots possible. a chance of showers and 
thunderstorms early, then showers with a chance of thunderstorms 
from late morning on. waves 1 to 3 feet. 
.tonight...northwest winds 10 to 20 knots becoming north 15 to 25
knots. rain showers with a chance of thunderstorms in the 
evening, then a chance of rain showers overnight. waves 2 to 4 
feet building to 3 to 6 feet. 
.wednesday...northeast winds 15 to 25 knots diminishing to 10 to
15 knots. rain showers likely. waves 4 to 6 feet subsiding to 3 to
5 feet.
.wednesday night...east winds 10 to 15 knots. showers. waves 2 to
4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 41 degrees and at michigan
city is 42 degrees.

$$

fzus53 kiwx 310756
nshiwx
expires:202603311415;;579675

nearshore marine forecast
national weather service northern indiana
356 am edt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz043-311415-
new buffalo mi to st joseph mi-
356 am edt tue mar 31 2026

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

.today...southwest winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of showers and thunderstorms early, then 
showers with a chance of thunderstorms from late morning on. waves
3 to 5 feet subsiding to 2 to 4 feet.
.tonight...northwest winds 10 to 20 knots becoming north 15 to 25
knots. rain showers with a chance of thunderstorms in the 
evening, then a chance of rain showers overnight. waves 2 to 4 
feet building to 3 to 5 feet. 
.wednesday...northeast winds 15 to 25 knots diminishing to 10 to
15 knots. rain showers likely. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.wednesday night...east winds 10 to 15 knots increasing to 15 to
20 knots. showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 41 degrees and at michigan
city is 42 degrees.


$$

fzus53 klot 310834
nshlot
expires:202603311530;;581778

nearshore marine forecast
national weather service chicago/romeoville il
334 am cdt tue mar 31 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>745-311530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
334 am cdt tue mar 31 2026

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

.today...southwest winds 20 to 25 kt becoming north by early
evening. showers and a chance of thunderstorms. waves 2 to 4 ft. 
.tonight...north winds 20 to 25 kt. rain showers and a chance of 
thunderstorms in the evening, then showers likely overnight. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...northeast winds 20 to 25 kt diminishing to 15 to
20 kt. rain showers likely. waves 4 to 7 ft occasionally to 9 ft.
.wednesday night...east winds 15 to 20 kt in the evening. rain
showers and slight chance of thunderstorms. waves 3 to 5 ft.  

$$

fzus53 klot 310834
nshlot
expires:202603311530;;581777

nearshore marine forecast
national weather service chicago/romeoville il
334 am cdt tue mar 31 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>742-311530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
334 am cdt tue mar 31 2026

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

.today...southwest winds 20 to 25 kt becoming north late this
afternoon. showers and a chance of thunderstorms. waves 1 to 3 
ft.
.tonight...north winds 20 to 25 kt. rain showers likely and a 
chance of thunderstorms in the evening, then chance of showers 
overnight. waves 3 to 5 ft building to 5 to 8 ft occasionally to 
10 ft. 
.wednesday...northeast winds 20 to 25 kt. chance of showers.
waves 5 to 8 ft occasionally to 10 ft. 
.wednesday night...northeast winds 20 to 25 kt becoming east.
rain showers and slight chance of thunderstorms. waves 5 to 8 ft 
occasionally to 10 ft.
 

$$

fzus53 kmkx 311012
nshmkx
expires:202603311600;;585815

nearshore marine forecast
national weather service milwaukee/sullivan wi
512 am cdt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz646-311600-
wind point wi to winthrop harbor il-
512 am cdt tue mar 31 2026

...small craft advisory in effect from this evening through late
thursday night...

.today...southwest wind 10 to 15 knots rising to 15 to 20 knots
late in the morning, then veering west early in the afternoon
veering north late in the afternoon. chance of showers in the
morning. chance of thunderstorms through the day. rain showers in
the afternoon. waves 1 to 2 feet building to 2 to 4 feet in the
afternoon. 
.tonight...north wind 15 to 20 knots becoming 15 to 25 knots
after midnight. chance of showers through around midnight. waves
3 to 4 feet building to 5 to 7 feet. 
.wednesday...northeast wind 15 to 25 knots. chance of rain. waves
6 to 8 feet subsiding to 5 to 7 feet late in the afternoon. 
.wednesday night...northeast wind 15 to 25 knots veering east
after midnight. rain likely through around midnight, then rain
and slight chance of thunderstorms after midnight. waves 5 to
7 feet building to 6 to 8 feet in the late evening and overnight.

$$

fzus53 kmkx 311012
nshmkx
expires:202603311600;;585812

nearshore marine forecast
national weather service milwaukee/sullivan wi
512 am cdt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz643-311600-
sheboygan to port washington wi-
512 am cdt tue mar 31 2026

...small craft advisory in effect from this evening through late
thursday night...

.today...north wind 5 to 10 knots rising to 10 to 15 knots late
in the morning, then backing northwest with gusts to around
20 knots early in the afternoon becoming north 15 to 20 knots
late in the afternoon. rain showers likely in the morning. chance
of thunderstorms through the day. rain showers in the afternoon.
waves 2 to 4 feet subsiding to 1 to 3 feet late in the morning,
then building to 2 to 4 feet in the afternoon. 
.tonight...north wind 15 to 20 knots becoming 15 to 25 knots
after midnight. mostly cloudy. waves 3 to 4 feet building to 4 to
6 feet after midnight. 
.wednesday...northeast wind 15 to 25 knots. slight chance of rain
and snow in the afternoon. waves 5 to 7 feet building to 6 to
8 feet in the late morning and afternoon. 
.wednesday night...northeast wind up to 30 knots easing to 15 to
25 knots late in the evening, then veering east after midnight
becoming east 15 to 25 knots early in the morning. slight chance
of rain through around midnight. slight chance of snow through
the night. rain after midnight. waves 7 to 9 feet. 

$$

fzus53 kmkx 311012
nshmkx
expires:202603311600;;585813

nearshore marine forecast
national weather service milwaukee/sullivan wi
512 am cdt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz644-311600-
port washington to north point light wi-
512 am cdt tue mar 31 2026

...small craft advisory in effect from this evening through late
thursday night...

.today...east wind 10 to 15 knots backing northeast late in the
morning, then rising to 15 to 20 knots early in the afternoon
backing north late in the afternoon. chance of showers in the
morning. chance of thunderstorms through the day. rain showers in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet in the
afternoon. 
.tonight...north wind 15 to 20 knots veering northeast 15 to
25 knots after midnight. mostly cloudy. waves 3 to 5 feet
building to 5 to 7 feet. 
.wednesday...northeast wind 15 to 25 knots. chance of rain in the
afternoon. waves 6 to 8 feet. 
.wednesday night...northeast wind 15 to 25 knots rising to up to
30 knots late in the evening, then veering east after midnight
becoming east up to 30 knots early in the morning. rain likely
through around midnight, then rain after midnight. waves 7 to
9 feet. 

$$

fzus53 kmkx 311012
nshmkx
expires:202603311600;;585814

nearshore marine forecast
national weather service milwaukee/sullivan wi
512 am cdt tue mar 31 2026

for waters within five nautical miles of shore on lake michigan


lmz645-311600-
north point light to wind point wi-
512 am cdt tue mar 31 2026

...small craft advisory in effect from this evening through late
thursday night...

.today...southeast wind 10 to 15 knots veering west late in the
morning, then becoming west 10 to 15 knots with gusts to around
20 knots early in the afternoon becoming north 15 to 20 knots
late in the afternoon. chance of showers in the morning. chance
of thunderstorms through the day. rain showers in the afternoon.
waves 1 to 3 feet building to 2 to 4 feet in the afternoon. 
.tonight...north wind 15 to 20 knots becoming 15 to 25 knots
after midnight, then veering northeast early in the morning.
slight chance of showers through around midnight. waves 3 to
4 feet building to 6 to 8 feet. 
.wednesday...northeast wind 15 to 25 knots. slight chance of snow
in the morning. slight chance of rain through the day. waves 7 to
9 feet. 
.wednesday night...northeast wind 15 to 25 knots rising to up to
30 knots late in the evening, then veering east after midnight.
rain likely through around midnight, then rain and slight chance
of thunderstorms after midnight. waves 6 to 8 feet. 

$$