Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 041910
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
110 PM CST Thu Dec 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-042300-
Sheboygan to Port Washington WI-
110 PM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH FRIDAY MORNING...

.REST OF TODAY...West wind 5 to 10 knots becoming southwest 10 to
15 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 15 to 20 knots becoming 15 to 25 knots
late in the evening, then rising to up to 30 knots after midnight
becoming southwest up to 30 knots early in the morning. 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
late in the morning, then becoming southwest 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. Gusts up to 25 knots. 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-
110 PM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH FRIDAY MORNING...

.REST OF TODAY...West wind 5 to 10 knots becoming southwest 10 to
15 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 10 to 20 knots rising to 15 to 25 knots
in the late evening and early morning, then becoming southwest
15 to 25 knots early in the morning. 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
in the late morning and early afternoon, then becoming southwest
15 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. Gusts up to 25 knots. 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-
110 PM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH FRIDAY MORNING...

.REST OF TODAY...West wind 5 to 10 knots backing southwest 5 to
15 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 10 to 15 knots rising to 15 to 25 knots
in the late evening and overnight. 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
in the afternoon. Partly sunny. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southwest wind 15 to 25 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. 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-
110 PM CST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH FRIDAY MORNING...

.REST OF TODAY...Northwest wind 5 to 10 knots backing southwest
late in the afternoon. Sunny. Waves around 1 foot.
.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.
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
in the late morning and afternoon. Partly sunny. Waves 3 to
4 feet.
.FRIDAY NIGHT...Southwest wind 15 to 25 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.