Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 290805
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
305 AM CDT Fri Aug 29 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-292100-
Sheboygan to Port Washington WI-
305 AM CDT Fri Aug 29 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly
cloudy. Waves 3 to 4 feet.
.TODAY...Northeast wind 5 to 10 knots veering east late in the
afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the late morning and afternoon.
.TONIGHT...East wind 5 to 10 knots becoming northeast after
midnight, then backing north early in the morning. Mostly clear.
Waves around 1 foot.
.SATURDAY...Northwest wind 5 knots becoming southwest late in the
morning, then backing south in the afternoon. Mostly sunny. Waves
nearly calm.
.SATURDAY NIGHT...South wind 5 to 10 knots veering southwest late
in the evening, then easing to 5 knots after midnight veering
west early in the morning. Mostly clear. Waves nearly calm.

$$
LMZ644-292100-
Port Washington to North Point Light WI-
305 AM CDT Fri Aug 29 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots becoming 5 to
15 knots early in the morning. Partly cloudy. Waves 3 to 4 feet.
.TODAY...Northeast wind 5 to 10 knots veering east late in the
afternoon. Partly sunny. Waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon.
.TONIGHT...East wind 5 to 10 knots becoming northeast after
midnight, then backing north early in the morning. Partly cloudy.
Waves around 1 foot.
.SATURDAY...Northwest wind 5 knots becoming east late in the
morning, then veering southeast early in the afternoon becoming
southeast 5 to 10 knots late in the afternoon. Patchy fog in the
morning. Waves nearly calm.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots becoming south
late in the evening, then veering southwest after midnight
veering west early in the morning. Mostly clear. Waves nearly
calm.

$$
LMZ645-292100-
North Point Light to Wind Point WI-
305 AM CDT Fri Aug 29 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly
cloudy. Waves 4 to 6 feet.
.TODAY...Northeast wind 5 to 10 knots veering east late in the
afternoon. Partly sunny. Waves 3 to 4 feet subsiding to 1 to
2 feet in the afternoon.
.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...North wind 5 knots becoming east late in the morning,
then becoming east 5 to 10 knots early in the afternoon veering
southeast late in the afternoon. Partly sunny. Waves nearly calm.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots veering south
early in the morning. Mostly clear. Waves nearly calm.

$$
LMZ646-292100-
Wind Point WI to Winthrop Harbor IL-
305 AM CDT Fri Aug 29 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.EARLY THIS MORNING...Northeast wind 10 to 15 knots. Mostly
clear. Waves 4 to 6 feet subsiding to 3 to 5 feet early in the
morning.
.TODAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 3 to
4 feet subsiding to 1 to 2 feet in the afternoon.
.TONIGHT...Northeast wind 5 to 10 knots easing to 5 knots early
in the morning. Partly cloudy. Waves around 1 foot.
.SATURDAY...Northeast wind 5 to 10 knots veering southeast late
in the afternoon. Partly sunny. Waves around 1 foot.
.SATURDAY NIGHT...East wind 5 to 10 knots veering southeast early
in the morning. Partly cloudy. Waves nearly calm.

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