Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 182111
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
311 PM CST Tue Nov 18 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-190500-
Sheboygan to Port Washington WI-
311 PM CST Tue Nov 18 2025

.TONIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots
early in the morning. Mostly cloudy through around midnight then
clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.WEDNESDAY...Northeast wind 5 to 10 knots veering south late in
the afternoon. Partly sunny. 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.

$$
LMZ644-190500-
Port Washington to North Point Light WI-
311 PM CST Tue Nov 18 2025

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

.TONIGHT...Northeast wind 10 to 15 knots. Chance of sprinkles in
the evening. Waves 3 to 4 feet subsiding to 1 to 3 feet early in
the morning.
.WEDNESDAY...East wind 5 to 10 knots veering southeast late in
the afternoon. Partly sunny. 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.

$$
LMZ645-190500-
North Point Light to Wind Point WI-
311 PM CST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots
late in the evening, then becoming northeast 10 to 15 knots after
midnight. Chance of sprinkles in the evening. Waves 3 to 4 feet.
.WEDNESDAY...East wind 5 to 10 knots veering southeast late in
the afternoon. Partly sunny. 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.

$$
LMZ646-190500-
Wind Point WI to Winthrop Harbor IL-
311 PM CST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots
in the late evening and overnight. Chance of sprinkles through
around midnight. Waves 3 to 4 feet.
.WEDNESDAY...East wind 5 to 10 knots veering southeast late in
the 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.