FZUS53 KMKX 121710 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 AM CST Fri Dec 12 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-122300- Sheboygan to Port Washington WI- 1110 AM CST Fri Dec 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY...West wind 5 to 10 knots rising to 15 to 20 knots. Chance of flurries late in the afternoon. Waves around 1 foot. .TONIGHT...West wind 15 to 25 knots veering northwest after midnight. Gusts up to 30 knots. Mostly cloudy through around midnight then becoming partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. .SATURDAY...Northwest wind 15 to 25 knots. Gusts up to 30 knots. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Gusts up to 30 knots. Slight chance of snow through around midnight. Waves 2 to 4 feet. Wave heights are for ice free areas. $$ LMZ644-122300- Port Washington to North Point Light WI- 1110 AM CST Fri Dec 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY...West wind 5 to 10 knots rising to 15 to 20 knots. Chance of flurries late in the afternoon. Waves around 1 foot. .TONIGHT...West wind 15 to 25 knots veering northwest after midnight. Gusts up to 30 knots. Mostly cloudy. Waves 1 to 2 feet. .SATURDAY...Northwest wind 15 to 25 knots becoming 15 to 20 knots late in the morning, then backing west early in the afternoon veering northwest 15 to 25 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Gusts up to 30 knots. Partly cloudy. Waves 2 to 4 feet. Wave heights are for ice free areas. $$ LMZ645-122300- North Point Light to Wind Point WI- 1110 AM CST Fri Dec 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY...West wind 5 to 10 knots rising to 15 to 20 knots. Chance of flurries late in the afternoon. Waves around 1 foot. .TONIGHT...West wind 15 to 20 knots becoming 15 to 25 knots late in the evening, then veering northwest after midnight. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. .SATURDAY...Northwest wind 15 to 20 knots backing west in the late morning and early afternoon, then veering northwest 15 to 25 knots late in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Gusts up to 30 knots. Partly cloudy. Waves 3 to 4 feet. Wave heights are for ice free areas. $$ LMZ646-122300- Wind Point WI to Winthrop Harbor IL- 1110 AM CST Fri Dec 12 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING THROUGH SUNDAY MORNING... .REST OF TODAY...West wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of flurries late in the afternoon. Waves around 1 foot. .TONIGHT...West wind 15 to 20 knots becoming 15 to 25 knots late in the evening, then veering northwest after midnight. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight, then subsiding to 1 to 2 feet early in the morning. .SATURDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Slight chance of snow. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 15 to 25 knots. Slight chance of snow through around midnight. Waves 2 to 4 feet. Wave heights are for ice free areas. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.