Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI

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FZUS53 KMKX 041651
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1151 AM CDT Sat Oct 4 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-042200-
Sheboygan to Port Washington WI-
1151 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH MONDAY MORNING...

.REST OF TODAY...South wind 15 to 20 knots. Sunny. Waves 3 to
4 feet.
.TONIGHT...South wind 15 to 20 knots becoming 10 to 20 knots
early in the morning. Clear. Waves 3 to 4 feet.
.SUNDAY...South wind 10 to 15 knots rising to 15 to 20 knots late
in the morning, then becoming 15 to 25 knots in the afternoon.
Sunny. Waves 3 to 4 feet building to 6 to 8 feet.
.SUNDAY NIGHT...South wind 15 to 25 knots veering southwest after
midnight, then becoming 15 to 20 knots early in the morning.
Slight chance of showers after midnight. Waves 6 to 8 feet
subsiding to 3 to 5 feet.

Wave heights are for ice free areas.

$$
LMZ644-042200-
Port Washington to North Point Light WI-
1151 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

.REST OF TODAY...South wind 10 to 20 knots becoming 15 to
20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building
to 2 to 4 feet late in the afternoon.
.TONIGHT...South wind 15 to 20 knots easing to 10 to 15 knots
early in the morning. Clear. Waves 2 to 4 feet subsiding to 1 to
3 feet early in the morning.
.SUNDAY...South wind 10 to 15 knots rising to 15 to 20 knots with
gusts to around 25 knots in the late morning and afternoon.
Sunny. Waves 1 to 3 feet building to 5 to 7 feet.
.SUNDAY NIGHT...South wind 15 to 25 knots veering southwest after
midnight, then becoming 15 to 20 knots early in the morning.
Mostly clear. Waves 4 to 6 feet subsiding to 3 to 4 feet.

Wave heights are for ice free areas.

$$
LMZ645-042200-
North Point Light to Wind Point WI-
1151 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

.REST OF TODAY...South wind 10 to 20 knots becoming 15 to
20 knots late in the afternoon. Sunny. Waves 1 to 2 feet building
to 2 to 4 feet late in the afternoon.
.TONIGHT...South wind 15 to 20 knots easing to 10 to 15 knots
with gusts to around 20 knots early in the morning. Clear. Waves
2 to 4 feet subsiding to 1 to 2 feet after midnight.
.SUNDAY...South wind 10 to 15 knots rising to 15 to 20 knots with
gusts to around 25 knots in the late morning and afternoon.
Sunny. Waves 1 to 2 feet building to 3 to 5 feet in the late
morning and afternoon.
.SUNDAY NIGHT...South wind 15 to 20 knots becoming 10 to 20 knots
late in the evening, then becoming 15 to 20 knots after midnight
veering southwest early in the morning. Mostly clear. Waves 3 to
4 feet.

Wave heights are for ice free areas.

$$
LMZ646-042200-
Wind Point WI to Winthrop Harbor IL-
1151 AM CDT Sat Oct 4 2025

.REST OF TODAY...South wind 10 to 15 knots rising to 15 to
20 knots late in the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots
late in the evening, then easing to 10 to 15 knots after
midnight. Clear. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 15 knots rising to 15 to 20 knots late
in the morning, then becoming south 15 to 20 knots in the
afternoon. Sunny. Waves 1 to 2 feet building to 3 to 4 feet in
the late morning and afternoon.
.SUNDAY NIGHT...South wind 15 to 20 knots veering southwest early
in the morning. Mostly clear. Waves 3 to 4 feet.

Wave heights are for ice free areas.

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