Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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

For waters within five nautical miles of shore on Lake Michigan

LMZ643-020900-
Sheboygan to Port Washington WI-
105 AM CDT Tue Sep 2 2025

.REST OF TONIGHT...Northeast wind 5 knots backing west early in
the morning. Patchy fog early in the morning. Waves nearly calm.
.TUESDAY...West wind 5 to 10 knots backing southwest late in the
morning, then backing south early in the afternoon rising to
10 to 15 knots late in the afternoon. Sunny. Waves around 1 foot.
.TUESDAY NIGHT...South wind 10 to 15 knots veering southwest
early in the morning. Chance of showers and slight chance of
thunderstorms after midnight. Waves 1 to 2 feet.
.WEDNESDAY...Southwest wind 15 to 20 knots veering west late in
the afternoon. Showers and a chance of thunderstorms. Waves 1 to
2 feet.

$$
LMZ644-020900-
Port Washington to North Point Light WI-
105 AM CDT Tue Sep 2 2025

.REST OF TONIGHT...Northeast wind 5 knots backing west early in
the morning. Mostly clear. Waves nearly calm.
.TUESDAY...West wind 5 to 10 knots easing to 5 knots late in the
morning, then becoming southeast in the afternoon. Sunny. Waves
around 1 foot.
.TUESDAY NIGHT...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 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 in the morning. Chance of thunderstorms through
the day. Showers in the afternoon. Waves 1 to 2 feet.

$$
LMZ645-020900-
North Point Light to Wind Point WI-
105 AM CDT Tue Sep 2 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots becoming
northwest early in the morning. Mostly clear. Waves nearly calm.
.TUESDAY...Northwest wind 5 to 10 knots becoming north late in
the morning, then becoming east early in the afternoon veering
southeast late in the afternoon. Sunny. Waves around 1 foot.
.TUESDAY NIGHT...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.
Partly cloudy. 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 showers and slight chance of thunderstorms in the
morning, then showers and a chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.

$$
LMZ646-020900-
Wind Point WI to Winthrop Harbor IL-
105 AM CDT Tue Sep 2 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots easing to 5 knots
early in the morning. Mostly clear. Waves around 1 foot.
.TUESDAY...Northwest wind 5 knots veering north late in the
morning, then becoming east early in the afternoon veering
southeast late in the afternoon. Sunny. Waves around 1 foot.
.TUESDAY NIGHT...South wind 5 to 10 knots becoming southwest
10 to 15 knots after midnight. Mostly clear. 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 showers and slight chance of thunderstorms in the
morning, then showers and a chance of thunderstorms in the
afternoon. Waves 1 to 2 feet.

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