Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
310 PM CST Mon Dec 1 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-020500-
Sheboygan to Port Washington WI-
311 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers in the evening, then chance of snow
showers late in the evening. Waves 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon becoming southwest 15 to 20 knots late in the
afternoon. Partly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots in the late evening and overnight. Chance of snow after
midnight. Waves 3 to 4 feet building to 3 to 5 feet after
midnight. A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering west 15 to
20 knots late in the morning, then veering northwest 10 to
20 knots early in the afternoon rising to 15 to 25 knots late in
the afternoon. Snow likely in the morning, then chance of snow in
the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the
late morning and afternoon.

Wave heights are for ice free areas.

$$
LMZ644-020500-
Port Washington to North Point Light WI-
311 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers through around midnight. Waves
around 1 foot.
.TUESDAY...Northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then rising to 10 to 15 knots early
in the afternoon becoming southwest 15 to 20 knots late in the
afternoon. Partly sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots in the late evening and overnight. Slight chance of snow
after midnight. Waves 3 to 4 feet. A small craft advisory may be
needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering northwest late
in the afternoon. Snow likely. Waves 3 to 4 feet subsiding to
1 to 2 feet early in the afternoon, then building to 3 to 4 feet
late in the afternoon.

Wave heights are for ice free areas.

$$
LMZ645-020500-
North Point Light to Wind Point WI-
311 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers through around midnight. Waves 1 to
2 feet.
.TUESDAY...Northwest wind 10 to 15 knots backing west late in the
morning, then becoming west 10 to 15 knots early in the afternoon
becoming southwest 15 to 20 knots late in the afternoon. Partly
sunny. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots in the late evening and early morning, then rising to up
to 30 knots early in the morning. Slight chance of snow after
midnight. Waves 1 to 2 feet building to 3 to 4 feet in the late
evening and overnight. A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering northwest late
in the afternoon. Snow likely. Waves 3 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ646-020500-
Wind Point WI to Winthrop Harbor IL-
311 PM CST Mon Dec 1 2025

.TONIGHT...Southwest wind 10 to 15 knots veering northwest early
in the morning. Snow showers through around midnight. Waves 1 to
2 feet.
.TUESDAY...Northwest wind 10 to 15 knots backing southwest late
in the afternoon. Partly sunny. Waves around 1 foot.
.TUESDAY NIGHT...Southwest wind 15 to 20 knots becoming 15 to
25 knots in the late evening and early morning, then rising to up
to 30 knots early in the morning. Slight chance of snow after
midnight. Waves 1 to 2 feet building to 3 to 4 feet in the late
evening and overnight. A small craft advisory may be needed.
.WEDNESDAY...Southwest wind 15 to 25 knots veering west 15 to
20 knots early in the afternoon, then veering northwest 15 to
25 knots late in the afternoon. Chance of snow in the morning,
then snow likely in the afternoon. Waves 3 to 4 feet.

Wave heights are for ice free areas.

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