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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
105 PM CDT Tue Sep 2 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-022200-
Sheboygan to Port Washington WI-
105 PM CDT Tue Sep 2 2025

.REST OF TODAY...South wind 10 to 15 knots. Mostly sunny. Waves
around 1 foot.
.TONIGHT...South wind 10 to 15 knots veering southwest with gusts
to around 20 knots early in the morning. Chance of showers and
thunderstorms after midnight. Waves 1 to 2 feet.
.WEDNESDAY...Southwest wind 15 to 20 knots veering west late in
the afternoon. Chance of thunderstorms in the morning. Chance of
showers through the day. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Partly cloudy.
Waves 1 to 2 feet building to 2 to 4 feet in the late evening and
early morning, then subsiding to 1 to 2 feet early in the
morning.

$$
LMZ644-022200-
Port Washington to North Point Light WI-
105 PM CDT Tue Sep 2 2025

.REST OF TODAY...Southeast wind 5 to 10 knots rising to 10 to
15 knots late in the afternoon. Mostly sunny. Waves around
1 foot.
.TONIGHT...South wind 10 to 15 knots veering southwest early in
the morning. Chance of showers and slight chance of thunderstorms
after midnight. Waves around 1 foot.
.WEDNESDAY...Southwest wind 10 to 20 knots veering west 15 to
20 knots in the late morning and afternoon. Chance of
thunderstorms in the morning. Chance of showers through the day.
Slight chance of thunderstorms in the afternoon. Waves 1 to
2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy
through around midnight then becoming partly cloudy. Waves 1 to
2 feet building to 2 to 4 feet in the late evening and early
morning, then subsiding to 1 to 2 feet early in the morning.

$$
LMZ645-022200-
North Point Light to Wind Point WI-
105 PM CDT Tue Sep 2 2025

.REST OF TODAY...Southeast wind 5 to 10 knots. Mostly sunny.
Waves around 1 foot.
.TONIGHT...South wind 5 to 10 knots rising to 10 to 15 knots late
in the evening, then veering southwest after midnight becoming
southwest 10 to 15 knots early in the morning. Slight chance of
showers and thunderstorms after midnight. Waves around 1 foot.
.WEDNESDAY...Southwest wind 10 to 20 knots becoming 15 to
20 knots late in the morning, then veering west early in the
afternoon becoming west 15 to 20 knots late in the afternoon.
Chance of thunderstorms in the morning. Chance of showers through
the day. Slight chance of thunderstorms in the afternoon. Waves
1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy
through around midnight then becoming partly cloudy. Waves 1 to
2 feet building to 2 to 4 feet in the late evening and overnight.

$$
LMZ646-022200-
Wind Point WI to Winthrop Harbor IL-
105 PM CDT Tue Sep 2 2025

.REST OF TODAY...East wind 5 to 10 knots veering southeast late
in the afternoon. Sunny. Waves around 1 foot.
.TONIGHT...South wind 5 to 10 knots becoming southwest 10 to
15 knots after midnight. Slight chance of showers and
thunderstorms after midnight. Waves around 1 foot.
.WEDNESDAY...Southwest wind 10 to 15 knots rising to 15 to
20 knots late in the morning, then becoming west 10 to 15 knots
in the afternoon. Chance of showers in the morning. Chance of
thunderstorms through the day. Showers likely in the afternoon.
Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots. Slight chance
of showers and thunderstorms through around midnight. Waves 1 to
2 feet building to 2 to 4 feet in the late evening and overnight.

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