Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 230911
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
311 AM CST Sun Nov 23 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-232200-
Sheboygan to Port Washington WI-
311 AM CST Sun Nov 23 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Clear. Waves
1 to 2 feet.
.TODAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the late morning and early afternoon, then easing to
5 to 10 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 5 to 10 knots rising to 10 to 15 knots
after midnight. Mostly clear. Waves around 1 foot.
.MONDAY...Southwest wind 15 to 20 knots backing south in the late
morning and early afternoon, then easing to 10 to 15 knots late
in the afternoon. Partly sunny. Waves 1 to 2 feet building to
3 to 4 feet in the late morning and afternoon.
.MONDAY NIGHT...South wind 10 to 15 knots easing to 5 to 10 knots
after midnight. Rain likely. Waves 3 to 4 feet subsiding to 1 to
3 feet early in the morning.

Wave heights are for ice free areas.

$$
LMZ644-232200-
Port Washington to North Point Light WI-
311 AM CST Sun Nov 23 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Clear. Waves
1 to 2 feet.
.TODAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the late morning and early afternoon, then easing to
5 to 10 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 5 to 10 knots rising to 10 to 15 knots
after midnight. Mostly clear. Waves around 1 foot.
.MONDAY...Southwest wind 10 to 15 knots becoming south 15 to
20 knots in the late morning and afternoon. Partly sunny in the
morning then becoming cloudy. Waves 1 to 2 feet building to 2 to
4 feet in the afternoon.
.MONDAY NIGHT...South wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. Rain likely. Waves 2 to 4 feet subsiding to
1 to 2 feet in the late evening and overnight.

Wave heights are for ice free areas.

$$
LMZ645-232200-
North Point Light to Wind Point WI-
311 AM CST Sun Nov 23 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. Clear. Waves
1 to 2 feet.
.TODAY...Northwest wind 15 to 20 knots becoming west 10 to
15 knots in the late morning and early afternoon, then easing to
5 to 10 knots late in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...Southwest wind 5 to 10 knots rising to 10 to 15 knots
after midnight. Mostly clear. Waves around 1 foot.
.MONDAY...Southwest wind 15 to 20 knots backing south in the late
morning and afternoon. Partly sunny in the morning then becoming
cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late
morning and afternoon.
.MONDAY NIGHT...South wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. Rain likely. Waves 1 to 2 feet.

Wave heights are for ice free areas.

$$
LMZ646-232200-
Wind Point WI to Winthrop Harbor IL-
311 AM CST Sun Nov 23 2025

.EARLY THIS MORNING...Northwest wind 15 to 20 knots. 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. Waves
around 1 foot.
.TONIGHT...Southwest wind 5 to 10 knots rising to 10 to 15 knots
after midnight, then becoming southwest 10 to 15 knots early in
the morning. Mostly clear. Waves around 1 foot.
.MONDAY...Southwest wind 15 to 20 knots backing south in the late
morning and early afternoon, then easing to 10 to 15 knots late
in the afternoon. Partly sunny in the morning then becoming
cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late
morning and early afternoon, then subsiding to 1 to 2 feet late
in the afternoon.
.MONDAY NIGHT...South wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. Rain likely. Waves 1 to 2 feet.

Wave heights are for ice free areas.

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