Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
910 AM CST Wed Nov 12 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-122300-
Sheboygan to Port Washington WI-
910 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING...

.REST OF 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 veering northwest after
midnight, then becoming northwest 15 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. 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.

$$
LMZ644-122300-
Port Washington to North Point Light WI-
910 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING...

.REST OF TODAY...West wind 15 to 25 knots. Gusts up to 30 knots.
Sunny. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots veering northwest after
midnight. 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.

$$
LMZ645-122300-
North Point Light to Wind Point WI-
910 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING...

.REST OF TODAY...West wind 15 to 25 knots with gusts to around
30 knots. Sunny. Waves 3 to 4 feet.
.TONIGHT...West wind 15 to 20 knots veering northwest after
midnight. 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.

$$
LMZ646-122300-
Wind Point WI to Winthrop Harbor IL-
910 AM CST Wed Nov 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CST THIS EVENING...

.REST OF 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 veering northwest after
midnight. 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.