FZUS53 KMKX 120710 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 AM CST Fri Dec 12 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-121000- Sheboygan to Port Washington WI- 110 AM CST Fri Dec 12 2025 .REST OF TONIGHT...Northwest wind 5 knots rising to 5 to 10 knots early in the morning. Mostly cloudy. Waves nearly calm. .FRIDAY...West wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of snow in the afternoon. Waves around 1 foot. .FRIDAY NIGHT...West wind 15 to 20 knots veering northwest 15 to 25 knots after midnight. Slight chance of snow through around midnight. Waves 3 to 4 feet building to 3 to 5 feet after midnight. A small craft advisory may be needed. .SATURDAY...Northwest wind 15 to 25 knots becoming 15 to 20 knots late in the morning, then becoming 15 to 25 knots in the afternoon. Partly sunny. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning and afternoon. Wave heights are for ice free areas. $$ LMZ644-121000- Port Washington to North Point Light WI- 110 AM CST Fri Dec 12 2025 .REST OF TONIGHT...Northwest wind 5 knots rising to 5 to 10 knots early in the morning. Mostly cloudy. Waves nearly calm. .FRIDAY...Northwest wind 5 to 10 knots backing west late in the morning, then rising to 10 to 15 knots early in the afternoon becoming west 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of snow in the morning, then chance of snow in the afternoon. Waves around 1 foot. .FRIDAY NIGHT...West wind 15 to 20 knots veering northwest 15 to 25 knots early in the morning. Slight chance of snow through around midnight. Waves 3 to 4 feet building to 3 to 5 feet after midnight. A small craft advisory may be needed. .SATURDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots. Slight chance of snow in the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning and early afternoon, then building to 3 to 5 feet late in the afternoon. Wave heights are for ice free areas. $$ LMZ645-121000- North Point Light to Wind Point WI- 110 AM CST Fri Dec 12 2025 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy. Waves nearly calm. .FRIDAY...Northwest wind 5 to 10 knots backing west late in the morning, then rising to 10 to 15 knots early in the afternoon becoming west 10 to 15 knots with gusts to around 20 knots late in the afternoon. Slight chance of snow in the morning, then chance of snow in the afternoon. Waves around 1 foot. .FRIDAY NIGHT...West wind 10 to 20 knots becoming 15 to 20 knots late in the evening, then becoming west 15 to 20 knots after midnight veering northwest early in the morning. Gusts up to 25 knots. Chance of snow through around midnight. Waves 3 to 4 feet building to 3 to 5 feet after midnight. .SATURDAY...Northwest wind 15 to 20 knots backing west in the late morning and early afternoon, then becoming 15 to 25 knots late in the afternoon. Slight chance of snow in the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning and early afternoon, then building to 3 to 5 feet late in the afternoon. A small craft advisory may be needed. Wave heights are for ice free areas. $$ LMZ646-121000- Wind Point WI to Winthrop Harbor IL- 110 AM CST Fri Dec 12 2025 .REST OF TONIGHT...Northwest wind 5 to 10 knots. Mostly cloudy. Waves nearly calm. .FRIDAY...Northwest wind 5 to 10 knots backing west late in the morning, then rising to 10 to 15 knots in the afternoon. Slight chance of snow in the morning, then chance of snow in the afternoon. Waves around 1 foot. .FRIDAY NIGHT...West wind 10 to 20 knots becoming 15 to 20 knots late in the evening, then veering northwest after midnight. Gusts up to 25 knots. Chance of snow through around midnight. Waves 1 to 2 feet building to 3 to 5 feet. .SATURDAY...Northwest wind 15 to 20 knots. Slight chance of snow in the morning, then chance of snow in the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning and afternoon. Wave heights are for ice free areas. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.