Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 122310
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
510 PM CST Wed Nov 12 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-130500-
Sheboygan to Port Washington WI-
510 PM CST Wed Nov 12 2025

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

.TONIGHT...West wind 15 to 20 knots veering northwest in the late
evening and overnight. Gusts up to 25 knots. Clear. Waves 1 to
2 feet.
.THURSDAY...West wind 10 to 15 knots with gusts to around
20 knots becoming west 10 to 15 knots late in the afternoon.
Sunny. Waves around 1 foot.
.THURSDAY NIGHT...Southwest wind 5 to 10 knots backing south
early in the morning. Partly cloudy. Waves around 1 foot.
.FRIDAY...Southeast wind 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. Sunny. Waves around
1 foot.

Wave heights are for ice free areas.

$$
LMZ644-130500-
Port Washington to North Point Light WI-
510 PM CST Wed Nov 12 2025

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

.TONIGHT...West wind 15 to 20 knots veering northwest after
midnight, then backing west 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...Southwest wind 5 to 10 knots backing south
early in the morning. Partly cloudy. Waves around 1 foot.
.FRIDAY...South wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Sunny. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ645-130500-
North Point Light to Wind Point WI-
510 PM CST Wed Nov 12 2025

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

.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 easing to 5 to 10 knots late
in the afternoon. 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.
.FRIDAY...South wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Sunny. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ646-130500-
Wind Point WI to Winthrop Harbor IL-
510 PM CST Wed Nov 12 2025

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

.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 easing to 5 to 10 knots
early in the afternoon, then backing southwest late in the
afternoon. 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.
.FRIDAY...South wind 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. Sunny. Waves around 1 foot.

Wave heights are for ice free areas.

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