fzus53 kapx 310400
nshapx
expires:202603311200;;569049

nearshore marine forecast
national weather service gaylord mi
1200 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.


lmz346-311200-
manistee to point betsie mi-
1200 am edt tue mar 31 2026

.overnight...east wind 10 to 15 knots. rain showers likely early
in the evening. chance of thunderstorms through the night. chance
of showers after midnight. waves 2 feet or less. 
.tuesday...northeast wind 10 to 15 knots. rain showers likely and
a chance of thunderstorms. waves 2 feet or less. 
.tuesday night...north wind 10 to 20 knots. mostly cloudy. waves
3 to 5 feet. 
.wednesday...northeast wind 10 to 20 knots. mostly cloudy. waves
3 to 5 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 310412
nshgrb
expires:202603311000;;569843

nearshore marine forecast
national weather service green bay wi
1112 pm cdt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-311000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1112 pm cdt mon mar 30 2026

.rest of tonight...n wind 10 to 15 kts. waves 2 to 4 ft. a chance
of showers and thunderstorms. 
.tuesday...n wind 10 to 15 kts. waves 2 to 4 ft. patchy fog in
the morning. a chance of showers and a slight chance of
thunderstorms in the morning, then showers likely in the
afternoon. 
.tuesday night...n wind 15 to 25 kts. waves 2 to 4 ft building to
3 to 5 ft after midnight. a chance of sprinkles in the evening. a
small craft advisory may be needed. 
.wednesday...ne wind to 30 kts. waves 4 to 7 ft building to 5 to
8 ft in the afternoon. mostly cloudy.  

$$

fzus53 kgrr 310144
nshgrr
expires:202603310800;;565294

nearshore marine forecast
national weather service grand rapids mi
944 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz846-310800-
holland to grand haven mi-
944 pm edt mon mar 30 2026

...small craft advisory in effect from 8 am edt tuesday through
wednesday morning...

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

$$

fzus53 kgrr 310144
nshgrr
expires:202603310800;;565293

nearshore marine forecast
national weather service grand rapids mi
944 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz847-310800-
grand haven to whitehall mi-
944 pm edt mon mar 30 2026

...small craft advisory in effect from 8 am edt tuesday through
wednesday morning...

.through early evening...south winds around 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...south winds 15 to 25 knots veering southwest after
midnight. partly cloudy with a chance of showers and thunderstorms
in the evening, then rain showers likely and a chance of
thunderstorms after midnight. waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight. 
.tuesday...south winds 15 to 25 knots veering southwest early in the
afternoon. rain showers and a chance of thunderstorms. waves 4 to
6 feet. 
.tuesday night...north winds 15 to 25 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
3 to 5 feet. 
.wednesday...northeast winds 15 to 25 knots. mostly cloudy. waves
2 to 4 feet subsiding to 1 to 2 feet early in the afternoon. 
.wednesday night...east winds to 30 knots. rain and snow showers.
waves 1 to 2 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. waves 4 to 6 feet. 
.friday...west winds to 30 knots veering northwest 15 to 20 knots
early in the afternoon. partly sunny. waves 6 to 8 feet. 
.saturday...southeast winds 20 to 25 knots veering south to 30 knots
early in the afternoon. rain showers likely. waves 3 to 6 feet.

$$

fzus53 kgrr 310144
nshgrr
expires:202603310800;;565296

nearshore marine forecast
national weather service grand rapids mi
944 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz844-310800-
st joseph to south haven mi-
944 pm edt mon mar 30 2026

...small craft advisory in effect from 8 am edt tuesday through
wednesday morning...

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

$$

fzus53 kgrr 310144
nshgrr
expires:202603310800;;565291

nearshore marine forecast
national weather service grand rapids mi
944 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz849-310800-
pentwater to manistee mi-
944 pm edt mon mar 30 2026

.through early evening...east winds around 10 knots. sunny. waves
around 1 foot. 
.tonight...northeast winds 10 to 15 knots. partly cloudy in the
evening then becoming mostly cloudy. a chance of showers and
thunderstorms. waves 1 to 2 feet. 
.tuesday...south winds 10 to 20 knots veering west early in the
afternoon. rain showers and a chance of thunderstorms. waves 2 to
3 feet. 
.tuesday night...north winds 15 to 25 knots. mostly cloudy with a
slight chance of rain showers. 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. cloudy with a
chance of rain and snow showers. waves 2 to 4 feet.
.thursday...east winds to 30 knots. rain showers. waves 2 to 4 feet.
.friday...west winds 15 to 25 knots veering north early in the
afternoon. partly sunny. waves 6 to 8 feet subsiding to 3 to 5 feet
early in the afternoon. 
.saturday...southeast winds 15 to 25 knots veering south early in
the afternoon. rain showers likely and a chance of thunderstorms.
waves 1 to 3 feet building to 4 to 6 feet in the late morning and
afternoon. 

$$

fzus53 kgrr 310144
nshgrr
expires:202603310800;;565292

nearshore marine forecast
national weather service grand rapids mi
944 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz848-310800-
whitehall to pentwater mi-
944 pm edt mon mar 30 2026

.through early evening...south winds 10 to 15 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering southwest after
midnight. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 2 feet building to 2 to 4 feet in the late evening and
overnight. 
.tuesday...south winds 10 to 20 knots veering southwest early in the
afternoon. rain showers and a chance of thunderstorms. waves 3 to
5 feet. 
.tuesday night...north winds 20 to 25 knots. mostly cloudy with a
slight chance of rain showers. waves 4 to 6 feet. 
.wednesday...northeast winds 15 to 25 knots. mostly cloudy. waves
4 to 6 feet. 
.wednesday night...east winds 15 to 25 knots. cloudy with rain and
snow showers. waves 2 to 3 feet. 
.thursday...east winds to 30 knots veering southeast early in the
afternoon. rain showers. waves 2 to 3 feet building to 3 to 5 feet
in the late morning and afternoon. 
.friday...west winds to 30 knots veering north 15 to 20 knots early
in the afternoon. partly sunny. waves 6 to 8 feet subsiding to 3 to
5 feet early in the afternoon. 
.saturday...southeast winds 20 to 25 knots veering south early in
the afternoon. rain showers likely and a chance of thunderstorms.
waves 2 to 3 feet building to 5 to 7 feet. 

$$

fzus53 kgrr 310144
nshgrr
expires:202603310800;;565295

nearshore marine forecast
national weather service grand rapids mi
944 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz845-310800-
south haven to holland mi-
944 pm edt mon mar 30 2026

...small craft advisory in effect from 8 am edt tuesday through
wednesday morning...

.through early evening...south winds around 15 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...south winds 15 to 25 knots veering southwest to 30 knots
after midnight. partly cloudy in the evening then becoming mostly
cloudy. a chance of showers and thunderstorms. waves 1 to 2 feet
building to 4 to 6 feet in the late evening and overnight. 
.tuesday...southwest winds 20 to 25 knots. rain showers and a chance
of thunderstorms. waves 4 to 6 feet. 
.tuesday night...northwest winds 15 to 25 knots veering north in the
late evening and overnight. 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 to 30 knots. rain showers. waves 2 to
3 feet. 
.thursday...southeast winds to 30 knots veering south 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. 
.friday...west winds 20 to 25 knots veering northwest 15 to 20 knots
early in the afternoon. partly sunny. waves 4 to 6 feet. 
.saturday...southeast winds 20 to 25 knots veering southwest early
in the afternoon. rain showers likely. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 

$$

fzus53 kiwx 310304
nshiwx
expires:202603310815;;567489

nearshore marine forecast
national weather service northern indiana
1104 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz043-310815-
new buffalo mi to st joseph mi-
1104 pm edt mon mar 30 2026

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

.overnight...south winds 15 to 20 knots becoming southwest.
gusts up to 30 knots. a chance of showers and thunderstorms.
waves 1 to 3 feet.
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. gusts up to 25 knots. a chance of showers and
thunderstorms in the morning, then showers likely with a chance
of thunderstorms in the afternoon. waves 2 to 4 feet. 
.tuesday night...northwest winds 10 to 15 knots becoming north
15 to 20 knots. showers with a chance of thunderstorms in the
evening, then showers overnight. waves 2 to 4 feet building to
3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. rain showers likely. waves 3 to 6 feet subsiding to
2 to 4 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 310304
nshiwx
expires:202603310815;;567488

nearshore marine forecast
national weather service northern indiana
1104 pm edt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz046-310815-
michigan city in to new buffalo mi-
1104 pm edt mon mar 30 2026

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

.overnight...south winds 15 to 20 knots becoming southwest.
gusts up to 25 knots. a chance of showers and thunderstorms.
waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers and thunderstorms in the morning,
then showers likely with a chance of thunderstorms in the
afternoon. waves 1 to 3 feet. 
.tuesday night...northwest winds 10 to 15 knots becoming north
15 to 20 knots. showers with a chance of thunderstorms in the
evening, then showers overnight. waves 2 to 3 feet building to
3 to 6 feet. 
.wednesday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. rain showers likely. waves 3 to 6 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 310227 aaa
nshlot
expires:202603310915;;566524

nearshore marine forecast...updated
national weather service chicago/romeoville il
927 pm cdt mon mar 30 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>745-310915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
927 pm cdt mon mar 30 2026

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

.rest of tonight...south winds 20 to 25 kt becoming southwest with
a few gusts around 30 kt. isolated showers and thunderstorms late
this evening, then scattered showers and thunderstorms after 
midnight. waves 1 to 3 ft building to 2 to 4 ft. 
.tuesday...southwest winds 20 to 25 kt increasing to 30 kt.
chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon. waves 2 to 4 ft. 
.tuesday night...north winds 20 to 25 kt. rain showers with
thunderstorms likely in the evening, then showers likely and
slight chance of thunderstorms overnight. waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...northeast winds 20 to 25 kt. chance of showers in
the morning, then showers likely and slight chance of
thunderstorms in the afternoon. waves 4 to 7 ft occasionally to 9
ft.

$$

fzus53 klot 310227 aaa
nshlot
expires:202603310915;;566523

nearshore marine forecast...updated
national weather service chicago/romeoville il
927 pm cdt mon mar 30 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>742-310915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
927 pm cdt mon mar 30 2026

...small craft advisory in effect through wednesday evening...
...severe thunderstorm watch 77 in effect until 3 am cdt
tuesday...

.rest of tonight...south winds 20 to 25 kt becoming southwest 
with a few gusts around 30 kt. scattered thunderstorms. some
storms could be severe with damaging winds and large hail. waves 
2 to 4 ft. winds and waves higher in and near thunderstorms.
.tuesday...southwest winds 20 to 25 kt increasing to 30 kt. 
chance of showers and thunderstorms in the morning, then showers 
with thunderstorms likely in the afternoon. waves 2 to 4 ft.
.tuesday night...north winds 20 to 25 kt. rain showers with
thunderstorms likely in the evening, then chance of showers
overnight. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.wednesday...northeast winds 20 to 25 kt. chance of showers.
waves 5 to 8 ft occasionally to 10 ft.

$$

fzus53 kmkx 310412
nshmkx
expires:202603311000;;569815

nearshore marine forecast
national weather service milwaukee/sullivan wi
1112 pm cdt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz643-311000-
sheboygan to port washington wi-
1112 pm cdt mon mar 30 2026

.rest of tonight...north wind 10 to 15 knots easing to 5 to
10 knots early in the morning. isolated showers and thunderstorms
after midnight, then chance of showers and thunderstorms early in
the morning. waves 2 to 4 feet. 
.tuesday...north wind 5 to 10 knots rising to 10 to 15 knots late
in the morning, then becoming north 10 to 15 knots with gusts to
around 20 knots early in the afternoon rising to 15 to 20 knots
late in the afternoon. chance of showers in the morning. chance
of thunderstorms through the day. rain showers likely in the
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and early afternoon, then building to 2 to 4 feet late in
the afternoon. 
.tuesday night...north wind 15 to 20 knots becoming 15 to
25 knots early in the morning. slight chance of showers through
around midnight. waves 3 to 4 feet building to 4 to 6 feet. a
small craft advisory may be needed. 
.wednesday...northeast wind 15 to 25 knots rising to up to
30 knots late in the afternoon. slight chance of snow in the
afternoon. waves 5 to 7 feet building to 6 to 8 feet in the late
morning and afternoon. 

$$

fzus53 kmkx 310412
nshmkx
expires:202603311000;;569816

nearshore marine forecast
national weather service milwaukee/sullivan wi
1112 pm cdt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz644-311000-
port washington to north point light wi-
1112 pm cdt mon mar 30 2026

...severe thunderstorm watch 77 in effect until 3 am cdt
tuesday...

.rest of tonight...northwest wind 5 to 10 knots becoming north
10 to 15 knots early in the morning. scattered thunderstorms
after midnight. scattered showers through the night. chance of
thunderstorms early in the morning. waves 1 to 3 feet. 
.tuesday...southeast wind 10 to 15 knots backing northeast late
in the morning, then backing north with gusts to around 20 knots
early in the afternoon rising to 15 to 20 knots late in the
afternoon. chance of showers in the morning. chance of
thunderstorms through the day. rain showers likely in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet in the
afternoon. 
.tuesday night...north wind 15 to 20 knots becoming 15 to
25 knots after midnight. chance of showers through the night.
waves 3 to 4 feet building to 4 to 6 feet. 
.wednesday...northeast wind 15 to 25 knots. slight chance of rain
and snow in the afternoon. waves 6 to 8 feet. 

$$

fzus53 kmkx 310412
nshmkx
expires:202603311000;;569817

nearshore marine forecast
national weather service milwaukee/sullivan wi
1112 pm cdt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz645-311000-
north point light to wind point wi-
1112 pm cdt mon mar 30 2026

...severe thunderstorm watch 77 in effect until 3 am cdt
tuesday...

.rest of tonight...west wind 10 to 15 knots veering north early
in the morning. scattered thunderstorms after midnight. scattered
showers through the night. chance of thunderstorms early in the
morning. waves 1 to 2 feet. 
.tuesday...southeast wind 10 to 15 knots veering southwest with
gusts to around 20 knots late in the morning, then veering west
with gusts to around 20 knots early in the afternoon becoming
northwest 15 to 20 knots late in the afternoon. chance of showers
in the morning. chance of thunderstorms through the day. rain
showers likely in the afternoon. waves 1 to 3 feet building to
2 to 4 feet in the afternoon. 
.tuesday night...north wind 15 to 20 knots becoming 15 to
25 knots after midnight. slight chance of thunderstorms through
around midnight. chance of showers through the night. waves 3 to
4 feet building to 5 to 7 feet. 
.wednesday...northeast wind 15 to 25 knots. slight chance of
showers in the morning. chance of rain and snow in the afternoon.
waves 7 to 9 feet. 

$$

fzus53 kmkx 310412
nshmkx
expires:202603311000;;569818

nearshore marine forecast
national weather service milwaukee/sullivan wi
1112 pm cdt mon mar 30 2026

for waters within five nautical miles of shore on lake michigan


lmz646-311000-
wind point wi to winthrop harbor il-
1112 pm cdt mon mar 30 2026

...severe thunderstorm watch 77 in effect until 3 am cdt
tuesday...

.rest of tonight...southwest wind 15 to 20 knots easing to 10 to
15 knots early in the morning. showers and thunderstorms after
midnight, then chance of showers and thunderstorms early in the
morning. waves 1 to 2 feet. 
.tuesday...southwest wind 10 to 15 knots becoming southwest 10 to
15 knots with gusts to around 25 knots late in the morning, then
veering west with gusts to around 25 knots early in the afternoon
becoming northwest 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 2 feet building to
2 to 4 feet early in the afternoon, then subsiding to 1 to 3 feet
late in the afternoon. 
.tuesday night...north wind 15 to 20 knots becoming 15 to
25 knots after midnight. chance of thunderstorms through around
midnight. chance of showers through the night. waves 3 to 4 feet
building to 5 to 7 feet. 
.wednesday...northeast wind 15 to 25 knots. chance of showers in
the morning, then chance of rain and snow in the afternoon. waves
6 to 8 feet. 

$$