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 121721
nshgrb
expires:202605122200;;444613

nearshore marine forecast
national weather service green bay wi
1221 pm cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-122200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1221 pm cdt tue may 12 2026

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

.this afternoon...s wind to 30 kts with gale force gusts to
around 35 kts. waves 6 to 10 ft. a chance of showers and
thunderstorms. 
.tonight...w wind 10 to 20 kts veering nw 15 to 25 kts after
midnight. waves 5 to 8 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 2 to 4 ft. mostly cloudy. 
.wednesday night...nw wind 5 to 10 kts. waves 2 ft or less.
clear. 

$$

fzus53 kgrr 121541
nshgrr
expires:202605122100;;441122

nearshore marine forecast
national weather service grand rapids mi
1141 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-122100-
grand haven to whitehall mi-
1141 am edt tue may 12 2026

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

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

$$

fzus53 kgrr 121541
nshgrr
expires:202605122100;;441125

nearshore marine forecast
national weather service grand rapids mi
1141 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-122100-
st joseph to south haven mi-
1141 am edt tue may 12 2026

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

.rest of today...south winds 15 to 25 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
2 to 3 feet. 
.tonight...southwest winds 20 to 25 knots veering west after
midnight. rain showers likely and a chance of thunderstorms. waves
4 to 6 feet. 
.wednesday...northwest winds to 30 knots. partly sunny. waves 6 to
8 feet. 
.wednesday night...northwest winds to 30 knots veering north 15 to
25 knots in the late evening and overnight. mostly clear. waves 5 to
7 feet. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 2 to
4 feet.
.friday...south winds 10 to 20 knots. partly sunny with a chance of
rain showers. waves 1 to 2 feet. 
.saturday...southwest winds 10 to 15 knots. sunny. waves 1 to
2 feet. 

$$

fzus53 kgrr 121541
nshgrr
expires:202605122100;;441124

nearshore marine forecast
national weather service grand rapids mi
1141 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-122100-
south haven to holland mi-
1141 am edt tue may 12 2026

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

.rest of today...south winds 20 to 25 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet early in the afternoon. 
.tonight...southwest winds to 30 knots veering northwest after
midnight. partly cloudy with a chance of showers and thunderstorms.
waves 4 to 6 feet. 
.wednesday...northwest winds to 30 knots becoming gales to 35 knots
in the late morning and early afternoon, then becoming to 30 knots
early in the afternoon. mostly cloudy. waves 6 to 9 feet. 
.wednesday night...northwest winds to 30 knots veering north 15 to
25 knots in the late evening and overnight. mostly clear. waves 6 to
8 feet subsiding to 2 to 4 feet after midnight. 
.thursday...northwest winds 10 to 20 knots. sunny. waves 1 to
3 feet.
.friday...south winds 10 to 20 knots. partly sunny with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...southwest winds 10 to 20 knots. sunny. waves 2 to
3 feet. 

$$

fzus53 kgrr 121541
nshgrr
expires:202605122100;;441123

nearshore marine forecast
national weather service grand rapids mi
1141 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-122100-
holland to grand haven mi-
1141 am edt tue may 12 2026

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

.rest of today...south winds to 30 knots. rain showers likely and a
slight chance of thunderstorms. waves 3 to 5 feet. 
.tonight...south winds to 30 knots veering northwest after midnight.
partly cloudy with a chance of showers and thunderstorms. waves 5 to
7 feet. 
.wednesday...northwest gales to 35 knots. mostly cloudy. waves 7 to
10 feet. 
.wednesday night...north winds to 30 knots decreasing to 15 to
20 knots after midnight. mostly clear. waves 6 to 8 feet subsiding
to 3 to 5 feet in the late evening and overnight. 
.thursday...northwest winds 15 to 20 knots. sunny. waves 2 to
3 feet. 
.friday...south winds 15 to 25 knots. partly sunny with a chance of
rain showers. waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. 
.saturday...southwest winds 10 to 20 knots. sunny. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 

$$

fzus53 kgrr 121541
nshgrr
expires:202605122100;;441121

nearshore marine forecast
national weather service grand rapids mi
1141 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-122100-
whitehall to pentwater mi-
1141 am edt tue may 12 2026

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

.rest of today...south winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 3 to 5 feet building to 6 to 8 feet
early in the afternoon. 
.tonight...south winds to 30 knots veering west in the late evening
and overnight. partly cloudy with a chance of showers and
thunderstorms. waves 6 to 8 feet. 
.wednesday...northwest winds to 30 knots becoming gales to 35 knots
in the late morning and early afternoon, then decreasing to 30 knots
early in the afternoon. mostly cloudy. waves 6 to 9 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...north winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.friday...south winds to 30 knots. partly sunny with a chance of
rain showers. waves 2 to 3 feet building to 4 to 6 feet in the late
morning and afternoon. 
.saturday...southwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 121541
nshgrr
expires:202605122100;;441120

nearshore marine forecast
national weather service grand rapids mi
1141 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-122100-
pentwater to manistee mi-
1141 am edt tue may 12 2026

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

.rest of today...south winds to 30 knots increasing to gales to
35 knots early in the afternoon. mostly cloudy with a chance of
showers and thunderstorms. waves 3 to 5 feet building to 6 to 8 feet
early in the afternoon. 
.tonight...south winds to 30 knots veering west in the late evening
and overnight. mostly cloudy with a chance of thunderstorms and a
slight chance of rain showers. waves 6 to 8 feet. 
.wednesday...northwest winds to 30 knots. mostly cloudy. waves 6 to
8 feet. 
.wednesday night...north winds 15 to 25 knots decreasing to 10 to
15 knots after midnight. mostly clear. waves 4 to 6 feet subsiding
to 2 to 3 feet after midnight. 
.thursday...north winds 10 to 15 knots. sunny. waves 1 to 3 feet. 
.friday...south winds 10 to 20 knots increasing to 30 knots in the
late morning and afternoon. partly sunny with a chance of rain
showers. waves 2 to 3 feet building to 4 to 6 feet in the late
morning and afternoon. 
.saturday...southwest winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kiwx 121421
nshiwx
expires:202605122015;;438900

nearshore marine forecast
national weather service northern indiana
1021 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz046-122015-
michigan city in to new buffalo mi-
1021 am edt tue may 12 2026

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

.this afternoon...south winds 10 to 20 knots. gusts up to 25 
knots. a slight chance of showers early. a chance of showers late.
waves 1 to 2 feet. 
.tonight...southwest winds 15 to 25 knots becoming west 10 to
20 knots. a chance of showers and thunderstorms in the evening. 
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 25 knots. mostly sunny. waves 
3 to 5 feet. 
.wednesday night...north winds 10 to 20 knots. gusts up to 25 
knots early evening. mostly clear. waves 2 to 4 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 121421
nshiwx
expires:202605122015;;438901

nearshore marine forecast
national weather service northern indiana
1021 am edt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz043-122015-
new buffalo mi to st joseph mi-
1021 am edt tue may 12 2026

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

.this afternoon...south winds 10 to 20 knots. gusts up to 25 
knots. a slight chance of showers early. a chance of showers late.
waves 1 to 2 feet. 
.tonight...southwest winds 15 to 25 knots becoming northwest
10 to 20 knots. a chance of showers and thunderstorms in the 
evening. waves 2 to 4 feet building to 3 to 5 feet. 
.wednesday...northwest winds 15 to 25 knots. gusts up to 30 
knots. partly sunny. waves 3 to 6 feet building to 4 to 7 feet. 
.wednesday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots. mostly clear. waves 3 to 6 feet subsiding to 2 to
4 feet overnight.

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 121441
nshlot
expires:202605122115;;439410

nearshore marine forecast
national weather service chicago/romeoville il
941 am 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>745-122115-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
941 am cdt tue may 12 2026

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

.today...south winds 15 to 25 kt becoming southwest to 30 kt with
a few gale force gusts to 35 kt. scattered showers and
thunderstorms late this afternoon. waves 1 to 3 ft building to 2 
to 4 ft.
.tonight...southwest winds to 30 kt becoming northwest and
diminishing to 20 to 25 kt. scattered showers and thunderstorms
ending by midnight. waves 2 to 4 ft. 
.wednesday...northwest winds 20 to 25 kt becoming north in the 
afternoon. partly cloudy. waves 3 to 6 ft occasionally to 8 ft. 
.wednesday night...north winds 10 to 20 kt. mostly clear. waves
3 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft overnight.

$$

fzus53 klot 121441
nshlot
expires:202605122115;;439409

nearshore marine forecast
national weather service chicago/romeoville il
941 am 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>742-122115-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
941 am cdt tue may 12 2026

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

.rest of today...south winds 15 to 25 kt becoming southwest to 30
kt with a few gale force gusts to 35 kt. scattered showers and
thunderstorms this afternoon and evening. waves 3 to 5 ft. 
.tonight...southwest winds to 30 kt becoming northwest 20 to
25 kt late. scattered showers and slight chance of thunderstorms
in the evening. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.wednesday...northwest winds 20 to 25 kt becoming north in the 
afternoon. partly cloudy in the morning, then becoming mostly 
cloudy. waves 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt becoming northwest and
diminishing to around 10 kt. mostly clear. waves 1 to 3 ft.  

$$

fzus53 kmkx 121611
nshmkx
expires:202605122200;;442098

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz646-122200-
wind point wi to winthrop harbor il-
1110 am cdt tue may 12 2026

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

.rest of today...south wind 15 to 25 knots veering southwest late
in the afternoon. gusts up to 35 knots. rain showers likely early
in the afternoon, then chance of showers and thunderstorms late
in the afternoon. waves 3 to 4 feet. 
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots veering northwest with gusts to around 25 knots early in
the morning. chance of showers and thunderstorms through around
midnight. waves 3 to 4 feet subsiding to 1 to 2 feet in the late
evening and early morning, then building to 2 to 4 feet early in
the morning. 
.wednesday...northwest wind 15 to 25 knots becoming 15 to
20 knots late in the morning, then veering north early in the
afternoon becoming 10 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 
.wednesday night...north wind 5 to 15 knots with gusts to around
20 knots becoming 5 to 10 knots late in the evening, then backing
northwest after midnight becoming northwest 5 to 10 knots early
in the morning. mostly clear. waves 1 to 2 feet. 

$$

fzus53 kmkx 121611
nshmkx
expires:202605122200;;442095

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-122200-
sheboygan to port washington wi-
1110 am cdt tue may 12 2026

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

.rest of today...south wind up to 30 knots easing to 15 to
25 knots late in the afternoon. gusts up to 35 knots. chance of
showers through the day. chance of thunderstorms late in the
afternoon. waves 6 to 8 feet. 
.tonight...southwest wind 15 to 20 knots veering west late in the
evening, then veering northwest 15 to 25 knots after midnight.
gusts up to 30 knots early in the morning. chance of showers and
thunderstorms through around midnight. waves 4 to 6 feet
subsiding to 3 to 4 feet in the late evening and overnight. 
.wednesday...northwest wind 15 to 25 knots veering north 15 to
20 knots early in the afternoon, then becoming 10 to 20 knots
late in the afternoon. partly sunny. waves 3 to 4 feet. 
.wednesday night...north wind 5 to 15 knots becoming 5 to
10 knots late in the evening, then backing northwest after
midnight. mostly clear. waves 1 to 2 feet. 

$$

fzus53 kmkx 121611
nshmkx
expires:202605122200;;442096

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz644-122200-
port washington to north point light wi-
1110 am cdt tue may 12 2026

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

.rest of today...south wind 15 to 25 knots veering southwest late
in the afternoon. gusts up to 35 knots. chance of showers through
the day. chance of thunderstorms late in the afternoon. waves
4 to 6 feet. 
.tonight...southwest wind 15 to 25 knots with gusts to around
30 knots veering west 15 to 20 knots late in the evening, then
veering northwest 15 to 25 knots after midnight. chance of
showers and thunderstorms through around midnight. waves 3 to
5 feet. 
.wednesday...northwest wind 15 to 25 knots becoming 15 to
20 knots early in the afternoon, then veering north 10 to
20 knots late in the afternoon. partly sunny. waves 3 to 4 feet. 
.wednesday night...north wind 5 to 15 knots becoming 5 to
10 knots late in the evening, then backing northwest after
midnight. mostly clear. waves 1 to 2 feet. 

$$

fzus53 kmkx 121611
nshmkx
expires:202605122200;;442097

nearshore marine forecast
national weather service milwaukee/sullivan wi
1110 am cdt tue may 12 2026

for waters within five nautical miles of shore on lake michigan


lmz645-122200-
north point light to wind point wi-
1110 am cdt tue may 12 2026

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

.rest of today...south wind 15 to 25 knots veering southwest late
in the afternoon. gusts up to 30 knots. rain showers likely early
in the afternoon, then chance of showers and thunderstorms late
in the afternoon. waves 3 to 5 feet. 
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots veering west late in the evening, then veering northwest
with gusts to around 25 knots after midnight becoming 15 to
25 knots early in the morning. chance of showers and
thunderstorms through around midnight. waves 3 to 4 feet. 
.wednesday...northwest wind 15 to 25 knots veering north 15 to
20 knots early in the afternoon, then becoming 10 to 20 knots
late in the afternoon. partly sunny. waves 3 to 4 feet. 
.wednesday night...north wind 5 to 15 knots becoming 5 to
10 knots late in the evening, then backing northwest after
midnight. mostly clear. waves 1 to 2 feet. 

$$