Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 AM CST Tue Dec 9 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-092300-
Sheboygan to Port Washington WI-
1110 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT WEDNESDAY MORNING...

.REST OF TODAY...West wind 15 to 20 knots becoming 10 to 20 knots
early in the afternoon, then backing southwest 10 to 15 knots
late in the afternoon. Chance of snow and slight chance of rain
late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet
late in the afternoon.
.TONIGHT...South wind 10 to 15 knots with gusts to around
20 knots rising to 15 to 20 knots late in the evening, then
veering southwest with gusts to around 25 knots after midnight
veering northwest 15 to 25 knots with gusts to around 30 knots
early in the morning. Rain and snow. Waves 1 to 2 feet building
to 3 to 4 feet in the late evening and overnight.
.WEDNESDAY...Northwest gales to 35 knots veering north late in
the morning, then becoming northwest up to 30 knots in the
afternoon. Rain and snow likely in the morning. Waves 6 to 8 feet
building to 7 to 9 feet late in the morning, then subsiding to
6 to 8 feet early in the afternoon subsiding to 5 to 7 feet late
in the afternoon.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight. Partly cloudy. Waves 3 to 5 feet
subsiding to 1 to 2 feet.

Wave heights are for ice free areas.

$$
LMZ644-092300-
Port Washington to North Point Light WI-
1110 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT WEDNESDAY MORNING...

.REST OF TODAY...West wind 15 to 20 knots becoming southwest
10 to 15 knots late in the afternoon. Chance of snow and slight
chance of rain late in the afternoon. Waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots with
gusts to around 25 knots late in the evening, then veering
southwest 15 to 25 knots with gusts to around 30 knots after
midnight veering west with gusts to around 35 knots early in the
morning. Rain and snow. Waves 1 to 2 feet building to 2 to 4 feet
in the late evening and overnight.
.WEDNESDAY...Northwest gales to 35 knots veering north late in
the morning, then becoming northwest up to 30 knots in the
afternoon. Rain and snow likely in the morning. Waves 3 to 5 feet
building to 6 to 8 feet late in the morning, then building to
7 to 9 feet early in the afternoon subsiding to 5 to 7 feet late
in the afternoon.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight, then becoming northwest 15 to 20 knots
early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding
to 1 to 2 feet early in the morning.

Wave heights are for ice free areas.

$$
LMZ645-092300-
North Point Light to Wind Point WI-
1110 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH WEDNESDAY EVENING...

.REST OF TODAY...West wind 15 to 20 knots becoming southwest
10 to 15 knots late in the afternoon. Chance of rain and snow
late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet
in the afternoon.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots with
gusts to around 25 knots late in the evening, then veering
southwest 15 to 25 knots with gusts to around 30 knots after
midnight veering west with gusts to around 30 knots early in the
morning. Rain with snow likely through around midnight, then rain
likely after midnight. Waves 3 to 4 feet.
.WEDNESDAY...Northwest wind up to 30 knots rising to gales to
35 knots late in the morning, then easing to up to 30 knots early
in the afternoon becoming northwest up to 30 knots late in the
afternoon. Rain and snow likely in the morning. Waves 4 to 6 feet
building to 8 to 10 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight, then becoming northwest 15 to 20 knots
early in the morning. Slight chance of snow through around
midnight. Waves 5 to 7 feet subsiding to 4 to 6 feet in the late
evening and overnight.

Wave heights are for ice free areas.

$$
LMZ646-092300-
Wind Point WI to Winthrop Harbor IL-
1110 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH WEDNESDAY EVENING...

.REST OF TODAY...West wind 15 to 20 knots becoming southwest
10 to 15 knots late in the afternoon. Chance of rain and snow
late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 2 feet
in the afternoon.
.TONIGHT...South wind 15 to 20 knots with gusts to around
25 knots becoming 15 to 25 knots with gusts to around 30 knots
late in the evening, then veering southwest with gusts to around
30 knots after midnight veering west with gusts to around
35 knots early in the morning. Snow likely through around
midnight. Rain likely through the night. Waves 3 to 4 feet
building to 3 to 5 feet after midnight, then subsiding to 3 to
4 feet early in the morning.
.WEDNESDAY...Northwest wind up to 30 knots rising to gales to
35 knots late in the morning, then easing to up to 30 knots early
in the afternoon easing to 15 to 25 knots late in the afternoon.
Rain and snow likely in the morning. Waves 3 to 5 feet building
to 6 to 8 feet late in the morning, then building to 8 to 10 feet
early in the afternoon subsiding to 7 to 9 feet late in the
afternoon.
.WEDNESDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots after midnight, then becoming northwest 15 to 20 knots
early in the morning. Slight chance of snow through around
midnight. Waves 5 to 7 feet subsiding to 4 to 6 feet in the late
evening and overnight.

Wave heights are for ice free areas.

$$
See Lake Michigan Open Waters Forecast for Thursday through Saturday.