National Weather Service Marine Forecast FZUS53 KMKX

FZUS53 KMKX 102010
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
310 PM CDT Sat Oct 10 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-110900
Sheboygan to Port Washington WI
310 PM CDT Sat Oct 10 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING

THROUGH EARLY EVENING
South wind 15 to 25 knots. Sunny. Waves 6 to 8 feet.

TONIGHT
South wind up to 30 knots easing to 15 to 25 knots in the late evening and early morning, then easing to 10 to 20 knots early in the morning. Partly cloudy. Waves 6 to 8 feet subsiding to 4 to 6 feet.

SUNDAY
South wind 10 to 15 knots becoming south 10 to 15 knots with gusts to around 20 knots late in the morning, then rising to 15 to 20 knots in the afternoon. Sunny. Waves 3 to 4 feet.

SUNDAY NIGHT
South wind 10 to 15 knots veering southwest after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight.

MONDAY
Southwest wind 10 to 15 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon.

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LMZ644-110900
Port Washington to North Point Light WI
310 PM CDT Sat Oct 10 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SUNDAY

THROUGH EARLY EVENING
South wind 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet.

TONIGHT
South wind 15 to 20 knots with gusts to around 25 knots becoming south 15 to 20 knots after midnight, then easing to 10 to 15 knots early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding to 3 to 4 feet early in the morning.

SUNDAY
South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming south 10 to 15 knots in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon.

SUNDAY NIGHT
South wind 10 to 15 knots becoming southwest 5 to 10 knots after midnight, then rising to 10 to 15 knots early in the morning. Partly cloudy. Waves 1 to 2 feet.

MONDAY
Southwest wind 10 to 15 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet.

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LMZ645-110900
North Point Light to Wind Point WI
310 PM CDT Sat Oct 10 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SUNDAY

THROUGH EARLY EVENING
South wind 15 to 25 knots becoming 15 to 20 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet building to 4 to 6 feet late in the afternoon.

TONIGHT
South wind 15 to 20 knots easing to 10 to 15 knots early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight, then subsiding to 3 to 4 feet early in the morning.

SUNDAY
South wind 5 to 10 knots rising to 10 to 15 knots late in the morning, then becoming south 10 to 15 knots in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon.

SUNDAY NIGHT
South wind 10 to 15 knots veering southwest early in the morning. Partly cloudy. Waves around 1 foot.

MONDAY
Southwest wind 10 to 15 knots. Slight chance of showers in the afternoon. Waves 1 to 2 feet.

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LMZ646-110900
Wind Point WI to Winthrop Harbor IL
310 PM CDT Sat Oct 10 2026

THROUGH EARLY EVENING
South wind 15 to 20 knots. Partly sunny. Waves 3 to 4 feet building to 3 to 5 feet late in the afternoon.

TONIGHT
South wind 15 to 20 knots becoming 10 to 20 knots after midnight, then becoming 10 to 15 knots early in the morning. Partly cloudy. Waves 3 to 4 feet building to 4 to 6 feet late in the evening, then subsiding to 3 to 4 feet after midnight.

SUNDAY
South wind 5 to 10 knots. Sunny. Waves 1 to 2 feet.

SUNDAY NIGHT
South wind 5 to 10 knots rising to 10 to 15 knots late in the evening, then becoming south 10 to 15 knots after midnight veering southwest early in the morning. Mostly clear through around midnight then becoming mostly cloudy. Waves around 1 foot.

MONDAY
Southwest wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet.

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See Lake Michigan Open Waters Forecast for Tuesday through Thursday.