Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 110911
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
310 AM CST Thu Dec 11 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-112200-
Sheboygan to Port Washington WI-
310 AM CST Thu Dec 11 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Mostly
clear. Waves 1 to 2 feet.
.TODAY...Northwest wind 15 to 20 knots easing to 10 to 15 knots
late in the morning, then backing west early in the afternoon
easing to 5 to 10 knots late in the afternoon. Sunny in the
morning then becoming partly sunny. Waves around 1 foot.
.TONIGHT...Northwest wind 5 to 10 knots easing to 5 knots late in
the evening, then rising to 5 to 10 knots after midnight. Mostly
cloudy. Waves nearly calm.
.FRIDAY...Northwest wind 5 to 10 knots backing west late in the
morning, then rising to 10 to 15 knots early in the afternoon
rising to 15 to 20 knots late in the afternoon. Chance of snow in
the afternoon. Waves around 1 foot.
.FRIDAY NIGHT...West wind 15 to 25 knots rising to up to 30 knots
late in the evening, then becoming west up to 30 knots after
midnight. Chance of snow through around midnight. Waves 3 to
4 feet building to 3 to 5 feet early in the morning. A small
craft advisory may be needed.

Wave heights are for ice free areas.

$$
LMZ644-112200-
Port Washington to North Point Light WI-
310 AM CST Thu Dec 11 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Clear. Waves
1 to 2 feet.
.TODAY...Northwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 10 to 15 knots late in the morning,
then backing west early in the afternoon easing to 5 to 10 knots
late in the afternoon. Sunny in the morning then becoming mostly
cloudy. Waves around 1 foot.
.TONIGHT...Northwest wind 5 to 10 knots easing to 5 knots late in
the evening, then rising to 5 to 10 knots after midnight. Mostly
cloudy. Waves nearly calm.
.FRIDAY...Northwest wind 5 to 10 knots becoming west 10 to
15 knots early in the afternoon, then rising to 15 to 20 knots
late in the afternoon. Chance of snow in the afternoon. Waves
around 1 foot.
.FRIDAY NIGHT...West wind 15 to 25 knots rising to up to 30 knots
late in the evening, then becoming west up to 30 knots after
midnight. Chance of snow through around midnight. Waves 3 to
4 feet. A small craft advisory may be needed.

Wave heights are for ice free areas.

$$
LMZ645-112200-
North Point Light to Wind Point WI-
310 AM CST Thu Dec 11 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Mostly
clear. Waves 2 to 4 feet.
.TODAY...Northwest wind 10 to 15 knots backing west late in the
morning, then becoming west 10 to 15 knots early in the afternoon
easing to 5 to 10 knots late in the afternoon. Mostly sunny in
the morning then becoming mostly cloudy. Waves around 1 foot.
.TONIGHT...Northwest wind 5 to 10 knots easing to 5 knots late in
the evening, then rising to 5 to 10 knots after midnight. Mostly
cloudy. Waves nearly calm.
.FRIDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then backing west early in the afternoon
rising to 15 to 20 knots late in the afternoon. Slight chance of
snow in the morning, then chance of snow in the afternoon. Waves
around 1 foot.
.FRIDAY NIGHT...West wind 15 to 25 knots rising to up to 30 knots
late in the evening, then becoming west up to 30 knots after
midnight. Chance of snow through around midnight. Waves 3 to
4 feet. A small craft advisory may be needed.

Wave heights are for ice free areas.

$$
LMZ646-112200-
Wind Point WI to Winthrop Harbor IL-
310 AM CST Thu Dec 11 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Mostly
clear. Waves 2 to 4 feet.
.TODAY...Northwest wind 10 to 15 knots backing west late in the
morning, then becoming west 10 to 15 knots early in the afternoon
easing to 5 to 10 knots late in the afternoon. Sunny in the
morning then becoming mostly cloudy. Waves around 1 foot.
.TONIGHT...West wind 5 to 10 knots becoming northwest late in the
evening, then rising to 5 to 10 knots after midnight veering
north early in the morning. Cloudy. Waves nearly calm.
.FRIDAY...Northwest wind 5 to 10 knots rising to 10 to 15 knots
late in the morning, then backing west early in the afternoon
becoming 10 to 20 knots late in the afternoon. Slight chance of
snow in the morning, then chance of snow in the afternoon. Waves
around 1 foot.
.FRIDAY NIGHT...West wind 15 to 25 knots rising to up to 30 knots
after midnight, then easing to 15 to 25 knots early in the
morning. Chance of snow through around 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.

Wave heights are for ice free areas.

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