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FZUS53 KMKX 030005
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
705 PM CDT Tue Sep 2 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-030400-
Sheboygan to Port Washington WI-
705 PM CDT Tue Sep 2 2025

.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. Showers likely and a chance of thunderstorms in
the morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to
15 knots after midnight, then becoming northwest 10 to 15 knots
early in the morning. Partly cloudy. Waves 1 to 2 feet.
.THURSDAY...Northwest wind 10 to 15 knots backing west late in
the morning, then rising to 15 to 20 knots early in the afternoon
becoming west 15 to 20 knots late in the afternoon. Sunny in the
morning then becoming partly sunny. Waves 1 to 2 feet.

$$
LMZ644-030400-
Port Washington to North Point Light WI-
705 PM CDT Tue Sep 2 2025

.TONIGHT...South wind 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and overnight. Slight chance of
showers and thunderstorms after midnight. Chance of showers and
thunderstorms early in the morning. Waves around 1 foot.
.WEDNESDAY...Southwest wind 10 to 20 knots veering west 15 to
20 knots in the late morning and afternoon. Showers likely and a
chance of thunderstorms through the day. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to
15 knots after midnight, then becoming northwest 10 to 15 knots
early in the morning. Mostly cloudy through around midnight then
clearing. Waves 1 to 2 feet.
.THURSDAY...Northwest wind 10 to 15 knots backing west with gusts
to around 20 knots late in the afternoon. Mostly sunny. Waves
1 to 2 feet.

$$
LMZ645-030400-
North Point Light to Wind Point WI-
705 PM CDT Tue Sep 2 2025

.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. Chance of showers
and thunderstorms early in the morning. 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.
Showers likely and a chance of thunderstorms. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to
15 knots after midnight. Slight chance of showers through around
midnight. 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.
.THURSDAY...Northwest wind 10 to 15 knots backing west late in
the afternoon. Sunny in the morning then becoming partly sunny.
Waves 1 to 2 feet.

$$
LMZ646-030400-
Wind Point WI to Winthrop Harbor IL-
705 PM CDT Tue Sep 2 2025

.TONIGHT...Southeast wind 5 to 10 knots veering south late in the
evening, then becoming southwest 10 to 15 knots after midnight.
Slight chance of showers and thunderstorms early in the morning.
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 and slight chance of
thunderstorms in the morning, then showers likely and a chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to
15 knots after midnight, then becoming northwest 10 to 15 knots
early in the morning. Slight chance of showers through around
midnight. 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.
.THURSDAY...Northwest wind 10 to 15 knots backing west late in
the afternoon. Sunny in the morning then becoming partly sunny.
Waves 1 to 2 feet.

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