Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 121110
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
510 AM CST Wed Nov 12 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-121700-
Sheboygan to Port Washington WI-
510 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Northwest wind 15 to 25 knots backing west late in the
afternoon. Gusts up to 30 knots. Sunny. Waves 3 to 4 feet.
.TONIGHT...West wind 15 to 20 knots with gusts to around
25 knots. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots. Sunny. Waves around 1 foot.
.THURSDAY NIGHT...West wind 5 to 10 knots backing southwest early
in the morning. Partly cloudy. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ644-121700-
Port Washington to North Point Light WI-
510 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 15 to 25 knots veering northwest late in the
morning, then backing west early in the afternoon becoming west
15 to 25 knots late in the afternoon. Gusts up to 30 knots.
Sunny. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots becoming 10 to 20 knots early
in the morning. Gusts up to 25 knots. Clear. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots backing southwest late in
the afternoon. Sunny in the morning then becoming partly sunny.
Waves around 1 foot.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots backing south
early in the morning. Mostly cloudy through around midnight then
becoming partly cloudy. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ645-121700-
North Point Light to Wind Point WI-
510 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 15 to 25 knots. Gusts up to 30 knots. Sunny.
Waves 3 to 4 feet.
.TONIGHT...West wind 15 to 20 knots. Gusts up to 25 knots. Mostly
clear. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots backing southwest late in
the afternoon. Sunny in the morning then becoming partly sunny.
Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots backing south
early in the morning. Mostly cloudy through around midnight then
becoming partly cloudy. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ646-121700-
Wind Point WI to Winthrop Harbor IL-
510 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...West wind 15 to 25 knots becoming 15 to 20 knots late in
the afternoon. Gusts up to 30 knots. Sunny. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots becoming 10 to 20 knots early
in the morning. Gusts up to 25 knots. Mostly clear. Waves 1 to
2 feet.
.THURSDAY...West wind 10 to 15 knots backing southwest late in
the afternoon. Sunny in the morning then becoming partly sunny.
Waves around 1 foot.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots backing south
early in the morning. Mostly cloudy through around midnight then
clearing. Waves around 1 foot.

Wave heights are for ice free areas.

$$
See Lake Michigan Open Waters Forecast for Friday through Sunday.