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FZUS53 KMKX 091700
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Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
1200 PM CDT Thu Oct 9 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ643-092200-
Sheboygan to Port Washington WI-
1200 PM CDT Thu Oct 9 2025

.REST OF TODAY...Southeast wind 10 to 15 knots veering south late
in the afternoon. Sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. Partly cloudy. Waves 3 to 4 feet. A small
craft advisory may be needed.
.FRIDAY...Southwest wind 15 to 25 knots veering west late in the
afternoon. Gusts up to 30 knots. Chance of showers in the
morning. Waves 3 to 5 feet subsiding to 3 to 4 feet late in the
afternoon.
.FRIDAY NIGHT...Northwest wind 15 to 25 knots becoming 15 to
20 knots in the late evening and early morning, then becoming
northwest 15 to 20 knots early in the morning. Chance of showers
through the night. Waves 2 to 4 feet subsiding to 1 to 2 feet
after midnight.

Wave heights are for ice free areas.

$$
LMZ644-092200-
Port Washington to North Point Light WI-
1200 PM CDT Thu Oct 9 2025

.REST OF TODAY...Southeast wind 10 to 15 knots. Sunny. Waves 1 to
3 feet.
.TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots
after midnight, then becoming south 15 to 20 knots with gusts to
around 25 knots early in the morning. Clear through around
midnight then becoming partly cloudy. Waves 2 to 4 feet.
.FRIDAY...Southwest wind 15 to 20 knots becoming 15 to 25 knots
late in the morning, then becoming southwest 15 to 25 knots early
in the afternoon veering west 15 to 20 knots late in the
afternoon. Gusts up to 30 knots. Chance of showers in the
morning. Waves 3 to 4 feet. A small craft advisory may be needed.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots easing to 10 to
15 knots early in the morning. Gusts up to 25 knots. Chance of
showers. Waves 1 to 2 feet.

Wave heights are for ice free areas.

$$
LMZ645-092200-
North Point Light to Wind Point WI-
1200 PM CDT Thu Oct 9 2025

.REST OF TODAY...Southeast wind 10 to 15 knots. Sunny. Waves 1 to
3 feet.
.TONIGHT...Southeast wind 10 to 15 knots veering south late in
the evening, then rising to 15 to 20 knots after midnight
becoming south 15 to 20 knots early in the morning. Clear through
around midnight then becoming partly cloudy. Waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.FRIDAY...Southwest wind 15 to 20 knots becoming 15 to 25 knots
late in the morning, then becoming southwest 15 to 25 knots early
in the afternoon becoming 15 to 20 knots late in the afternoon.
Gusts up to 30 knots. Chance of showers in the morning. Waves
3 to 4 feet. A small craft advisory may be needed.
.FRIDAY NIGHT...West wind 15 to 20 knots veering northwest in the
late evening and overnight. Chance of showers. 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.

Wave heights are for ice free areas.

$$
LMZ646-092200-
Wind Point WI to Winthrop Harbor IL-
1200 PM CDT Thu Oct 9 2025

.REST OF TODAY...South wind 10 to 15 knots backing southeast late
in the afternoon. Sunny. Waves 1 to 3 feet.
.TONIGHT...Southeast wind 10 to 15 knots veering south late in
the evening, then rising to 15 to 20 knots after midnight
becoming south 15 to 20 knots early in the morning. Clear through
around midnight then becoming partly cloudy. Waves 1 to 2 feet
building to 2 to 4 feet after midnight.
.FRIDAY...Southwest wind 15 to 20 knots becoming 10 to 20 knots
early in the afternoon, then becoming 15 to 20 knots late in the
afternoon. Gusts up to 30 knots. Slight chance of showers. Waves
3 to 4 feet.
.FRIDAY NIGHT...West wind 15 to 20 knots veering northwest in the
late evening and early morning, then easing to 10 to 15 knots
early in the morning. Chance of showers. Waves 1 to 2 feet.

Wave heights are for ice free areas.

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