National Weather Service Marine Forecast FZUS53 KMKX

FZUS53 KMKX 120310
NSHMKX

Nearshore Marine Forecast
National Weather Service Milwaukee/Sullivan WI
910 PM CST Sun Jan 11 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ643-121100
Sheboygan to Port Washington WI
910 PM CST Sun Jan 11 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY

REST OF TONIGHT
Southwest wind 10 to 20 knots rising to 15 to 25 knots after midnight, then veering west early in the morning. Mostly cloudy late in the evening then becoming partly cloudy. Waves 3 to 4 feet.

MONDAY
West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet.

MONDAY NIGHT
West wind 10 to 15 knots backing southwest late in the evening, then becoming southwest 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet.

TUESDAY
Southwest wind 15 to 20 knots becoming 10 to 20 knots late in the morning, then veering west early in the afternoon becoming west 10 to 20 knots late in the afternoon. Gusts up to 25 knots. Chance of rain. Waves 3 to 4 feet.

Wave heights are for ice free areas.

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LMZ644-121100
Port Washington to North Point Light WI
910 PM CST Sun Jan 11 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY

REST OF TONIGHT
Southwest wind 15 to 20 knots becoming 15 to 25 knots after midnight, then becoming 15 to 20 knots early in the morning. Mostly cloudy late in the evening then becoming partly cloudy. Waves 2 to 4 feet.

MONDAY
West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet.

MONDAY NIGHT
West wind 10 to 15 knots backing southwest late in the evening, then becoming southwest 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet.

TUESDAY
Southwest wind 15 to 20 knots becoming 15 to 25 knots late in the morning, then veering west early in the afternoon becoming west 15 to 25 knots late in the afternoon. Chance of rain. Waves 2 to 4 feet.

Wave heights are for ice free areas.

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LMZ645-121100
North Point Light to Wind Point WI
910 PM CST Sun Jan 11 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY

REST OF TONIGHT
Southwest wind 15 to 20 knots becoming 15 to 25 knots after midnight, then becoming southwest 15 to 25 knots early in the morning. Mostly cloudy late in the evening then becoming partly cloudy. Waves 2 to 4 feet.

MONDAY
West wind 15 to 20 knots easing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet.

MONDAY NIGHT
West wind 10 to 15 knots backing southwest late in the evening, then becoming southwest 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet.

TUESDAY
Southwest wind 15 to 25 knots becoming west 10 to 20 knots late in the afternoon. Chance of rain. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.

Wave heights are for ice free areas.

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LMZ646-121100
Wind Point WI to Winthrop Harbor IL
910 PM CST Sun Jan 11 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY

REST OF TONIGHT
Southwest wind 15 to 20 knots becoming 15 to 25 knots after midnight, then becoming southwest 15 to 25 knots early in the morning. Mostly cloudy late in the evening then becoming partly cloudy. Waves 2 to 4 feet.

MONDAY
West wind 15 to 20 knots becoming southwest 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon.

MONDAY NIGHT
Southwest wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 1 to 2 feet.

TUESDAY
Southwest wind 15 to 25 knots becoming 15 to 20 knots early in the afternoon, then veering west late in the afternoon. Chance of rain. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.

Wave heights are for ice free areas.

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See Lake Michigan Open Waters Forecast for Wednesday through Friday.