Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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094 FZUS53 KMKX 210805 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 305 AM CDT Thu Aug 21 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-212100- Sheboygan to Port Washington WI- 305 AM CDT Thu Aug 21 2025 .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. .TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots backing north late in the evening, then becoming northwest after midnight becoming west early in the morning. Mostly clear. Waves around 1 foot. .FRIDAY...West wind 5 to 10 knots backing south late in the afternoon. Partly sunny. Waves around 1 foot. .FRIDAY NIGHT...South wind 5 to 10 knots veering southwest late in the evening, then rising to 10 to 15 knots after midnight veering west early in the morning. Slight chance of showers through around midnight, then chance of showers and slight chance of thunderstorms after midnight. Waves around 1 foot. $$ LMZ644-212100- Port Washington to North Point Light WI- 305 AM CDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly cloudy. Waves 3 to 4 feet. .TODAY...Northeast wind 5 to 10 knots. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. .TONIGHT...Northeast wind 5 to 10 knots backing north late in the evening, then easing to 5 knots after midnight backing northwest early in the morning. Mostly clear. Waves around 1 foot. .FRIDAY...West wind 5 to 10 knots backing south late in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY NIGHT...South wind 5 to 10 knots veering southwest late in the evening, then becoming southwest 5 to 10 knots after midnight becoming west 10 to 15 knots early in the morning. Slight chance of showers and thunderstorms after midnight. Waves around 1 foot. $$ LMZ645-212100- North Point Light to Wind Point WI- 305 AM CDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly cloudy. Waves 3 to 4 feet. .TODAY...Northeast wind 10 to 15 knots easing to 5 to 10 knots early in the afternoon, then backing north late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .TONIGHT...North wind 5 to 10 knots backing northwest early in the morning. Mostly clear. Waves around 1 foot. .FRIDAY...Northwest wind 5 to 10 knots becoming west late in the morning, then becoming south early in the afternoon becoming south 5 to 10 knots late in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY NIGHT...South wind 5 to 10 knots veering southwest late in the evening, then rising to 10 to 15 knots after midnight veering west early in the morning. Slight chance of showers and thunderstorms after midnight. Waves around 1 foot. $$ LMZ646-212100- Wind Point WI to Winthrop Harbor IL- 305 AM CDT Thu Aug 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .EARLY THIS MORNING...Northeast wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .TODAY...East wind 10 to 15 knots becoming northeast 5 to 10 knots early in the afternoon, then becoming north 10 to 15 knots late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...North wind 10 to 15 knots easing to 5 to 10 knots in the late evening and early morning, then becoming north 5 to 10 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .FRIDAY...Northwest wind 5 to 10 knots easing to 5 knots late in the morning, then backing southeast early in the afternoon becoming 5 to 10 knots late in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY NIGHT...South wind 5 to 10 knots veering southwest late in the evening, then becoming southwest 5 to 10 knots after midnight becoming west 10 to 15 knots early in the morning. Slight chance of showers and thunderstorms after midnight. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.