Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 041510
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
910 AM CST Thu Dec 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-042300-
Sheboygan to Port Washington WI-
910 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots early in the afternoon, then backing southwest 5 to
15 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 15 to 20 knots becoming 15 to 25 knots
with gusts to around 30 knots. Partly cloudy. Waves 1 to 2 feet
building to 3 to 5 feet.
.FRIDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots
in the afternoon. Chance of snow in the afternoon. Waves 3 to
5 feet subsiding to 3 to 4 feet in the late morning and
afternoon.
.FRIDAY NIGHT...Southwest wind 15 to 20 knots veering west early
in the morning. Snow likely through around midnight. Waves 2 to
4 feet subsiding to 1 to 2 feet after midnight.

Wave heights are for ice free areas.

$$
LMZ644-042300-
Port Washington to North Point Light WI-
910 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots early in the afternoon, then backing southwest late in
the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 10 to 20 knots rising to 15 to
25 knots. Partly cloudy. Waves 1 to 2 feet building to 3 to
4 feet in the late evening and overnight.
.FRIDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots
early in the afternoon, then becoming 10 to 20 knots late in the
afternoon. Slight chance of snow in the afternoon. Waves 3 to
4 feet.
.FRIDAY NIGHT...Southwest wind 15 to 20 knots veering west early
in the morning. Snow likely through around midnight. Waves 2 to
4 feet subsiding to 1 to 2 feet after midnight.

Wave heights are for ice free areas.

$$
LMZ645-042300-
North Point Light to Wind Point WI-
910 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.REST OF TODAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots early in the afternoon, then backing southwest late in
the afternoon. Sunny. Waves 2 to 4 feet subsiding to around
1 foot in the afternoon.
.TONIGHT...Southwest wind 10 to 15 knots rising to 15 to
25 knots. Partly cloudy. Waves around 1 foot building to 3 to
4 feet in the late evening and overnight.
.FRIDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots
early in the afternoon, then becoming 15 to 25 knots late in the
afternoon. Mostly cloudy. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southwest wind 15 to 25 knots veering west 15 to
20 knots after midnight. Snow likely through around midnight,
then slight chance of snow after midnight. Waves 2 to 4 feet
subsiding to 1 to 2 feet after midnight.

Wave heights are for ice free areas.

$$
LMZ646-042300-
Wind Point WI to Winthrop Harbor IL-
910 AM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.REST OF TODAY...Northwest wind 10 to 15 knots easing to 5 to
10 knots early in the afternoon, then backing southwest late in
the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots rising to 15 to 20 knots
late in the evening, then becoming 15 to 25 knots after midnight
becoming southwest 15 to 25 knots early in the morning. Mostly
clear. Waves around 1 foot building to 3 to 4 feet in the late
evening and overnight.
.FRIDAY...Southwest wind 15 to 25 knots becoming 15 to 20 knots
in the afternoon. Partly sunny. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southwest wind 10 to 20 knots becoming 15 to
20 knots late in the evening, then veering west after midnight
becoming west 15 to 20 knots early in the morning. Chance of snow
through around midnight, then slight chance of snow after
midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight.

Wave heights are for ice free areas.

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