Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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500 FZUS53 KMKX 220310 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 910 PM CST Fri Nov 21 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-221100- Sheboygan to Port Washington WI- 910 PM CST Fri Nov 21 2025 .REST OF TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves around 1 foot. .SATURDAY...Northwest wind 5 to 10 knots backing southwest 5 to 15 knots late in the morning, then becoming 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Partly sunny. Waves around 1 foot building to 2 to 4 feet late in the afternoon. .SATURDAY NIGHT...Southwest wind 15 to 20 knots veering northwest early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming west 5 to 10 knots in the afternoon. Sunny. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ644-221100- Port Washington to North Point Light WI- 910 PM CST Fri Nov 21 2025 .REST OF TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves around 1 foot. .SATURDAY...Northwest wind 5 to 10 knots backing southwest late in the morning, then rising to 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves around 1 foot. .SATURDAY NIGHT...Southwest wind 15 to 20 knots veering northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming west 5 to 10 knots in the afternoon. Sunny. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ645-221100- North Point Light to Wind Point WI- 910 PM CST Fri Nov 21 2025 .REST OF TONIGHT...North wind 10 to 15 knots becoming 5 to 15 knots after midnight, then backing northwest 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot. .SATURDAY...Northwest wind 5 to 10 knots backing southwest late in the morning, then rising to 10 to 15 knots early in the afternoon rising to 15 to 20 knots late in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves around 1 foot. .SATURDAY NIGHT...Southwest wind 15 to 20 knots veering northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming west 5 to 10 knots in the afternoon. Sunny. Waves around 1 foot. Wave heights are for ice free areas. $$ LMZ646-221100- Wind Point WI to Winthrop Harbor IL- 910 PM CST Fri Nov 21 2025 .REST OF TONIGHT...North wind 10 to 15 knots easing to 5 to 10 knots early in the morning. Partly cloudy late in the evening then clearing. Waves around 1 foot. .SATURDAY...Northwest wind 5 to 10 knots backing southwest late in the morning, then rising to 10 to 15 knots in the afternoon. Sunny in the morning then becoming partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Southwest wind 15 to 20 knots veering northwest early in the morning. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northwest wind 10 to 20 knots becoming 10 to 15 knots late in the morning, then becoming west 5 to 10 knots in the afternoon. Sunny. Waves around 1 foot. Wave heights are for ice free areas. $$ See Lake Michigan Open Waters Forecast for Monday through Wednesday.