Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
905 PM CDT Fri Aug 29 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-301000-
Sheboygan to Port Washington WI-
905 PM CDT Fri Aug 29 2025

.REST OF TONIGHT...East wind 5 to 10 knots backing northeast
after midnight, then easing to 5 knots early in the morning.
Partly cloudy. Waves around 1 foot.
.SATURDAY...Northeast wind 5 knots rising to 5 to 10 knots late
in the morning, then veering east early in the afternoon veering
southeast late in the afternoon. Sunny. Waves nearly calm.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots easing to 5 knots
late in the evening, then backing northwest after midnight
veering north early in the morning. Clear. Waves nearly calm.
.SUNDAY...Northwest wind 5 knots becoming northeast late in the
morning, then veering east early in the afternoon veering
southeast late in the afternoon. Sunny. Waves nearly calm.

$$
LMZ644-301000-
Port Washington to North Point Light WI-
905 PM CDT Fri Aug 29 2025

.REST OF TONIGHT...East wind 5 to 10 knots becoming northeast
early in the morning. Partly cloudy just before midnight then
becoming mostly cloudy. Waves around 1 foot.
.SATURDAY...Northeast wind 5 knots becoming east in the late
morning and early afternoon, then becoming east 5 to 10 knots
late in the afternoon. Partly sunny. Waves nearly calm.
.SATURDAY NIGHT...East wind 5 to 10 knots becoming northeast late
in the evening, then backing north after midnight rising to 5 to
10 knots early in the morning. Mostly clear. Waves nearly calm.
.SUNDAY...North wind 5 to 10 knots veering east late in the
afternoon. Sunny. Waves nearly calm.

$$
LMZ645-301000-
North Point Light to Wind Point WI-
905 PM CDT Fri Aug 29 2025

.REST OF TONIGHT...East wind 5 to 10 knots backing northeast
early in the morning. Slight chance of showers just before
midnight. Waves around 1 foot.
.SATURDAY...Northeast wind 5 knots becoming east in the late
morning and early afternoon, then becoming east 5 to 10 knots
late in the afternoon. Mostly cloudy in the morning then becoming
mostly sunny. Waves around 1 foot.
.SATURDAY NIGHT...East wind 5 to 10 knots backing northeast in
the late evening and overnight. Mostly clear. Waves nearly calm.
.SUNDAY...Northeast wind 5 to 10 knots veering east in the
afternoon. Sunny. Waves around 1 foot.

$$
LMZ646-301000-
Wind Point WI to Winthrop Harbor IL-
905 PM CDT Fri Aug 29 2025

.REST OF TONIGHT...Northeast wind 5 to 10 knots veering east
early in the morning. Slight chance of showers through the night.
Waves around 1 foot.
.SATURDAY...East wind 5 knots rising to 5 to 10 knots in the late
morning and afternoon. Partly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves around 1 foot.
.SUNDAY...Northeast wind 5 to 10 knots veering east late in the
morning, then becoming east 5 to 10 knots in the afternoon.
Sunny. Waves around 1 foot.

$$
See Lake Michigan Open Waters Forecast for Monday through Wednesday.