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FZUS53 KMKX 181510
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
910 AM CST Tue Nov 18 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-182300-
Sheboygan to Port Washington WI-
910 AM CST Tue Nov 18 2025

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

.REST OF TODAY...East wind 15 to 20 knots easing to 10 to
15 knots early in the afternoon, then becoming east 10 to
15 knots late in the afternoon. Rain late in the morning. Slight
chance of snow through the day. Chance of rain in the afternoon.
Waves 2 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots easing to 5 to 10 knots
after midnight. Mostly cloudy through around midnight then
becoming partly cloudy. 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 southeast 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.

Wave heights are for ice free areas.

$$
LMZ644-182300-
Port Washington to North Point Light WI-
910 AM CST Tue Nov 18 2025

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

.REST OF TODAY...East wind 15 to 20 knots. Rain late in the
morning, then rain likely early in the afternoon. Slight chance
of rain late in the afternoon. Waves 3 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy through
around midnight then becoming partly cloudy. 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...Southeast wind 5 to 10 knots veering southwest
early in the morning. Slight chance of rain through around
midnight. Waves around 1 foot.

Wave heights are for ice free areas.

$$
LMZ645-182300-
North Point Light to Wind Point WI-
910 AM CST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...East wind 15 to 20 knots. Rain likely late in
the morning, then chance of rain early in the afternoon. Slight
chance of rain late in the afternoon. Waves 4 to 6 feet.
.TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots
in the late evening and overnight. Cloudy through around midnight
then becoming partly cloudy. 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.

Wave heights are for ice free areas.

$$
LMZ646-182300-
Wind Point WI to Winthrop Harbor IL-
910 AM CST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...East wind 10 to 20 knots becoming 15 to 20 knots
early in the afternoon, then becoming east 15 to 20 knots late in
the afternoon. Rain likely late in the morning, then chance of
rain early in the afternoon. Slight chance of rain late in the
afternoon. Waves 4 to 6 feet.
.TONIGHT...Northeast wind 15 to 20 knots easing to 10 to 15 knots
in the late evening and overnight. Slight chance of rain through
around midnight. Waves 3 to 4 feet.
.WEDNESDAY...East wind 10 to 15 knots easing to 5 to 10 knots
late in the morning, then veering southeast early in the
afternoon becoming southeast 5 to 10 knots late in the afternoon.
Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the
late morning and afternoon.
.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.

Wave heights are for ice free areas.

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