Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 190510
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1110 PM CST Tue Nov 18 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-191100-
Sheboygan to Port Washington WI-
1110 PM CST Tue Nov 18 2025

.REST OF TONIGHT...Northeast wind 10 to 15 knots becoming north
5 to 10 knots after midnight. Partly cloudy around midnight then
becoming clear. Waves 1 to 2 feet.
.WEDNESDAY...North wind 5 to 10 knots veering east late in the
morning, then veering south in the afternoon. Sunny in the
morning then becoming mostly cloudy. Waves around 1 foot.
.WEDNESDAY NIGHT...South wind 5 to 10 knots veering southwest
early in the morning. Mostly cloudy. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon, then veering
southwest late in the afternoon. Slight chance of rain in the
morning, then chance of rain in the afternoon. Waves 1 to 2 feet.

Wave heights are for ice free areas.

$$
LMZ644-191100-
Port Washington to North Point Light WI-
1110 PM CST Tue Nov 18 2025

.REST OF TONIGHT...Northeast wind 10 to 15 knots easing to 5 to
10 knots early in the morning. Partly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the morning.
.WEDNESDAY...Northeast wind 5 to 10 knots veering southeast late
in the afternoon. Mostly sunny in the morning then becoming
mostly cloudy. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...South wind 5 to 10 knots veering southwest
early in the morning. Mostly cloudy. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon, then veering
southwest late in the afternoon. Slight chance of rain. Waves
around 1 foot.

Wave heights are for ice free areas.

$$
LMZ645-191100-
North Point Light to Wind Point WI-
1110 PM CST Tue Nov 18 2025

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Cloudy around
midnight then becoming partly cloudy. Waves 2 to 4 feet.
.WEDNESDAY...Northeast wind 5 to 10 knots veering southeast in
the afternoon. Mostly cloudy. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...South wind 5 to 10 knots veering southwest
early in the morning. Slight chance of rain through around
midnight. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon, then veering
southwest late in the afternoon. Slight chance of rain through
the day. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ646-191100-
Wind Point WI to Winthrop Harbor IL-
1110 PM CST Tue Nov 18 2025

.REST OF TONIGHT...Northeast wind 10 to 15 knots. Cloudy. Waves
3 to 4 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots becoming east 5 to
10 knots in the late morning and afternoon. Mostly cloudy. Waves
1 to 2 feet.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 knots veering southwest
early in the morning. Slight chance of rain through around
midnight. Waves around 1 foot.
.THURSDAY...Southwest wind 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon, then veering
southwest late in the afternoon. Slight chance of rain in the
afternoon. Waves around 1 foot.

Wave heights are for ice free areas.

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