fzus53 kapx 121417
nshapx
expires:202605122230;;438837

nearshore marine forecast
national weather service gaylord mi
1017 am edt tue may 12 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.


lmz346-122230-
manistee to point betsie mi-
1017 am edt tue may 12 2026

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

.today...southeast wind 15 to 25 knots with gusts up to 30 knots 
becoming south early in the evening. rain showers in the late 
morning, then chance of showers and thunderstorms in the 
afternoon. waves 2 to 3 feet building to 4 to 6 feet in the 
afternoon. 
.tonight...west wind 15 to 25 knots. slight chance of showers.
waves 4 to 6 feet. 
.wednesday...northwest wind 15 to 25 knots. partly sunny. waves
5 to 8 feet. 
.wednesday night...north wind 10 to 15 knots. mostly clear. waves
2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 122052
nshgrb
expires:202605130400;;454425

nearshore marine forecast
national weather service green bay wi
351 pm cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-130400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
351 pm cdt tue may 12 2026

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

.late this afternoon...sw wind 15 to 25 kts. waves 5 to 8 ft. a
chance of showers and thunderstorms. 
.tonight...w wind 10 to 20 kts veering nw 15 to 25 kts after
midnight. waves 4 to 7 ft. a slight chance of showers and
thunderstorms in the evening. 
.wednesday...nw wind 15 to 25 kts veering n 10 to 15 kts early in
the afternoon. waves 1 to 3 ft. mostly cloudy. 
.wednesday night...nw wind 5 to 10 kts. waves 2 ft or less.
clear.
.thursday...n wind 5 to 10 kts veering se early in the afternoon.
waves 2 ft or less. mostly sunny.  

$$

fzus53 kgrr 121941
nshgrr
expires:202605130800;;452058

nearshore marine forecast
national weather service grand rapids mi
341 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-130800-
pentwater to manistee mi-
341 pm edt tue may 12 2026

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

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

$$

fzus53 kgrr 121941
nshgrr
expires:202605130800;;452063

nearshore marine forecast
national weather service grand rapids mi
341 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-130800-
st joseph to south haven mi-
341 pm edt tue may 12 2026

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

.through early evening...south winds around 20 knots. mostly cloudy
with a chance of rain showers. waves 1 to 3 feet. 
.tonight...southwest winds 20 to 25 knots veering northwest after
midnight. cloudy with a chance of showers and thunderstorms in the
evening, then partly cloudy after midnight. waves 3 to 5 feet. 
.wednesday...northwest winds to 30 knots. partly sunny. waves 5 to
7 feet. 
.wednesday night...north winds 15 to 25 knots. mostly clear. waves
3 to 5 feet. 
.thursday...northwest winds 10 to 15 knots. sunny. waves 2 to
3 feet. 
.thursday night...northwest winds around 5 knots backing southeast
5 to 15 knots in the late evening and overnight. partly cloudy.
waves around 1 foot. 
.friday...south winds 15 to 20 knots. partly sunny with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...southwest winds 5 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.sunday...southeast winds 10 to 15 knots veering south early in the
afternoon. partly sunny with a chance of showers and thunderstorms.
waves around 1 foot. 

$$

fzus53 kgrr 121941
nshgrr
expires:202605130800;;452062

nearshore marine forecast
national weather service grand rapids mi
341 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-130800-
south haven to holland mi-
341 pm edt tue may 12 2026

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

.through early evening...south winds 20 to 25 knots. mostly cloudy
with a chance of rain showers. waves 2 to 3 feet. 
.tonight...southwest winds to 30 knots veering northwest after
midnight. mostly cloudy with a chance of showers and thunderstorms
in the evening, then partly cloudy after midnight. waves 3 to
5 feet. 
.wednesday...northwest winds to 30 knots. partly sunny. waves 5 to
7 feet. 
.wednesday night...north winds to 30 knots decreasing to 15 to
20 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 2 to 3 feet after midnight. 
.thursday...northwest winds 10 to 15 knots. sunny. waves 1 to
3 feet. 
.thursday night...west winds 5 to 15 knots backing south in the late
evening and overnight. partly cloudy. waves around 1 foot. 
.friday...south winds 15 to 20 knots. partly sunny with a chance of
rain showers. waves 2 to 3 feet. 
.saturday...southwest winds 10 to 20 knots decreasing to 5 to
10 knots early in the afternoon. mostly sunny. waves 2 to 3 feet. 
.sunday...southeast winds 10 to 15 knots veering south early in the
afternoon. partly sunny with a chance of rain showers. waves around
1 foot. 

$$

fzus53 kgrr 121941
nshgrr
expires:202605130800;;452061

nearshore marine forecast
national weather service grand rapids mi
341 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-130800-
holland to grand haven mi-
341 pm edt tue may 12 2026

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

.through early evening...south winds 20 to 25 knots. mostly cloudy
with a chance of rain showers and a slight chance of thunderstorms.
waves 2 to 4 feet. 
.tonight...south winds to 30 knots veering northwest after midnight.
mostly cloudy with a chance of showers and thunderstorms in the
evening, then partly cloudy after midnight. waves 4 to 6 feet. 
.wednesday...northwest gales to 35 knots decreasing to 30 knots
early in the afternoon. partly sunny. waves 5 to 7 feet. 
.wednesday night...northwest winds to 30 knots veering north 15 to
20 knots in the late evening and overnight. mostly clear. waves 4 to
6 feet subsiding to 2 to 3 feet after midnight. 
.thursday...northwest winds 15 to 20 knots. sunny. waves 1 to
3 feet. 
.thursday night...west winds 5 to 15 knots backing south in the late
evening and overnight. partly cloudy. waves 1 to 2 feet. 
.friday...south winds 15 to 25 knots. partly sunny with a chance of
rain showers. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.saturday...southwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet.
.sunday...southeast winds 10 to 20 knots. mostly cloudy with a
chance of rain showers. waves 1 to 2 feet. 

$$

fzus53 kgrr 121941
nshgrr
expires:202605130800;;452060

nearshore marine forecast
national weather service grand rapids mi
341 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-130800-
grand haven to whitehall mi-
341 pm edt tue may 12 2026

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

.through early evening...south winds to 30 knots. mostly cloudy with
a chance of rain showers and a slight chance of thunderstorms. waves
4 to 6 feet. 
.tonight...south winds to 30 knots veering northwest after midnight.
cloudy with a chance of showers and thunderstorms in the evening,
then partly cloudy after midnight. waves 4 to 6 feet. 
.wednesday...northwest gales to 35 knots decreasing to 30 knots
early in the afternoon. partly sunny. waves 5 to 7 feet. 
.wednesday night...north winds to 30 knots decreasing to 10 to
20 knots in the late evening and overnight. mostly clear. waves 3 to
5 feet subsiding to 1 to 3 feet after midnight. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 1 to
2 feet. 
.thursday night...west winds 10 to 20 knots backing south 5 to
10 knots in the late evening and early morning, then increasing to
after midnight. partly cloudy. waves 1 to 2 feet. 
.friday...south winds 15 to 25 knots. partly sunny with a chance of
rain showers. waves 3 to 6 feet.
.saturday...southwest winds 10 to 20 knots. sunny. waves 3 to 5 feet
subsiding to 2 to 3 feet early in the afternoon. 
.sunday...southeast winds 15 to 20 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 1 to 3 feet. 

$$

fzus53 kgrr 121941
nshgrr
expires:202605130800;;452059

nearshore marine forecast
national weather service grand rapids mi
341 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-130800-
whitehall to pentwater mi-
341 pm edt tue may 12 2026

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

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

$$

fzus53 kiwx 121949
nshiwx
expires:202605130415;;452211

nearshore marine forecast
national weather service northern indiana
349 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz043-130415-
new buffalo mi to st joseph mi-
349 pm edt tue may 12 2026

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

.tonight...southwest winds 10 to 15 knots becoming west. gusts up
to 30 knots. a chance of showers with a slight chance of
thunderstorms. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...northwest winds 15 to 20 knots. gusts up to
30 knots. a slight chance of sprinkles. waves 3 to 6 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. gusts up to 25 knots. partly cloudy in the
evening, then clearing. waves 2 to 4 feet. 
.thursday...north winds 10 knots or less becoming northwest.
sunny. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 47 degrees and at michigan
city is 51 degrees.

$$

fzus53 kiwx 121949
nshiwx
expires:202605130415;;452210

nearshore marine forecast
national weather service northern indiana
349 pm edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz046-130415-
michigan city in to new buffalo mi-
349 pm edt tue may 12 2026

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

.tonight...southwest winds 10 to 15 knots becoming west. gusts up
to 25 knots. a chance of showers with a slight chance of
thunderstorms. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. gusts up to 25 knots. a slight chance of sprinkles.
waves 3 to 5 feet. 
.wednesday night...northwest winds 5 to 15 knots. mostly clear.
waves 2 to 4 feet. 
.thursday...north winds 10 knots or less. sunny. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 47 degrees and at michigan
city is 51 degrees.

$$

fzus53 klot 121932
nshlot
expires:202605130330;;451833

nearshore marine forecast
national weather service chicago/romeoville il
232 pm cdt tue may 12 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>742-130330-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
232 pm cdt tue may 12 2026

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

.late this afternoon...southwest winds to 30 kt with a few gale
force gusts to 35 kt. scattered showers with isolated 
thunderstorms. waves 3 to 5 ft. 
.tonight...southwest winds 20 to 25 kt becoming northwest. 
scattered showers with isolated thunderstorms in the evening. 
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...northwest winds 20 to 25 kt becoming northeast 15 to
20 kt. mostly cloudy. waves 2 to 4 ft. 
.wednesday night...north winds 10 to 15 kt becoming northwest. 
decreasing cloud cover. waves 1 to 3 ft. 
.thursday...north winds around 10 kt becoming east in the
afternoon. sunny. waves 1 to 2 ft.  

$$

fzus53 klot 121932
nshlot
expires:202605130330;;451834

nearshore marine forecast
national weather service chicago/romeoville il
232 pm cdt tue may 12 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>745-130330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
232 pm cdt tue may 12 2026

...small craft advisory in effect through late wednesday night...

.late this afternoon...southwest winds to 30 kt with a few gale
force gusts to 35 kt. scattered showers with isolated 
thunderstorms. waves 3 to 5 ft. 
.tonight...southwest winds 20 to 25 kt becoming northwest. 
scattered showers with isolated thunderstorms in the evening. 
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...northwest winds 20 to 25 kt becoming north 15 to
20 kt. mostly cloudy. waves 3 to 5 ft. 
.wednesday night...north winds 10 to 20 kt becoming northwest and
diminishing to around 10 kt. decreasing clouds. waves 3 to 5 ft 
subsiding to 2 to 4 ft. 
.thursday...north winds around 10 kt. sunny. waves 1 to 3 ft.  

$$

fzus53 kmkx 122010
nshmkx
expires:202605130900;;453604

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz644-130900-
port washington to north point light wi-
310 pm cdt tue may 12 2026

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

.through early evening...south wind 15 to 25 knots veering
southwest late in the afternoon. mostly cloudy with a 50 percent
chance of showers and thunderstorms. waves 4 to 6 feet subsiding
to 3 to 5 feet late in the afternoon. 
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots veering northwest with gusts to around 25 knots after
midnight. chance of showers and thunderstorms in the evening.
waves 3 to 4 feet subsiding to 1 to 2 feet after midnight. 
.wednesday...northwest wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then veering north late in the
afternoon. gusts up to 30 knots. partly sunny. waves 2 to 4 feet
subsiding to 1 to 2 feet in the afternoon. 
.wednesday night...north wind 5 to 10 knots easing to 5 knots
late in the evening, then becoming northwest after midnight
becoming northwest 5 to 10 knots early in the morning. partly
cloudy through around midnight then clearing. waves around
1 foot. 
.thursday...northwest wind 5 to 10 knots veering southeast late
in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 122010
nshmkx
expires:202605130900;;453605

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz645-130900-
north point light to wind point wi-
310 pm cdt tue may 12 2026

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

.through early evening...south wind 10 to 25 knots veering
southwest 15 to 25 knots late in the afternoon. mostly cloudy
with a 20 percent chance of showers and thunderstorms. waves 3 to
4 feet. 
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots with gusts to around
20 knots late in the evening, then becoming northwest 15 to
20 knots after midnight. chance of showers and slight chance of
thunderstorms in the evening. waves 2 to 4 feet subsiding to 1 to
2 feet in the late evening and overnight. 
.wednesday...northwest wind 15 to 20 knots becoming north 10 to
15 knots in the afternoon. gusts up to 25 knots. partly sunny.
waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.
.wednesday night...north wind 5 to 10 knots backing northwest
after midnight. partly cloudy through around midnight then
becoming clear. waves around 1 foot. 
.thursday...northwest wind 5 to 10 knots veering southeast late
in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 122010
nshmkx
expires:202605130900;;453606

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz646-130900-
wind point wi to winthrop harbor il-
310 pm cdt tue may 12 2026

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

.through early evening...south wind 10 to 15 knots veering
southwest late in the afternoon. showers. waves 3 to 4 feet. 
.tonight...southwest wind 15 to 20 knots becoming west 10 to
15 knots late in the evening, then veering northwest after
midnight becoming northwest 10 to 15 knots early in the morning.
gusts up to 25 knots. chance of showers and slight chance of
thunderstorms in the evening. waves 2 to 4 feet subsiding to 1 to
2 feet in the late evening and overnight. 
.wednesday...northwest wind 15 to 20 knots becoming northwest
15 to 20 knots with gusts to around 25 knots late in the morning,
then becoming north 10 to 15 knots with gusts to around 20 knots
early in the afternoon becoming north 10 to 15 knots late in the
afternoon. partly sunny. waves 2 to 4 feet subsiding to 1 to
2 feet late in the afternoon. 
.wednesday night...north wind 5 to 10 knots becoming northwest
after midnight, then rising to 5 to 10 knots early in the
morning. partly cloudy through around midnight then becoming
clear. waves around 1 foot. 
.thursday...northwest wind 5 to 10 knots veering southeast late
in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kmkx 122010
nshmkx
expires:202605130900;;453603

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-130900-
sheboygan to port washington wi-
310 pm cdt tue may 12 2026

...gale warning in effect until 5 pm cdt this afternoon...
...small craft advisory in effect through wednesday afternoon...

.through early evening...south wind 15 to 25 knots. mostly cloudy
with a 50 percent chance of showers and thunderstorms. waves 6 to
8 feet subsiding to 5 to 7 feet late in the afternoon. 
.tonight...southwest wind 15 to 20 knots veering northwest early
in the morning. gusts up to 30 knots. chance of showers and
thunderstorms in the evening. waves 4 to 6 feet. 
.wednesday...northwest wind 10 to 20 knots with gusts to around
30 knots becoming 15 to 20 knots with gusts to around 25 knots
late in the morning, then veering north with gusts to around
25 knots early in the afternoon easing to 10 to 15 knots with
gusts to around 20 knots late in the afternoon. partly sunny.
waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. 
.wednesday night...north wind 5 to 15 knots becoming 5 to
10 knots late in the evening, then backing northwest after
midnight. partly cloudy through around midnight then becoming
clear. waves 1 to 2 feet. 
.thursday...northwest wind 5 to 10 knots veering southeast late
in the afternoon. sunny. waves around 1 foot. 

$$