Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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817 FZUS53 KMKX 221005 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 505 AM CDT Tue Jul 22 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-221600- Sheboygan to Port Washington WI- 505 AM CDT Tue Jul 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southeast wind 15 to 20 knots veering south in the late morning and afternoon. Partly sunny in the morning then clearing. Waves 3 to 4 feet building to 4 to 6 feet in the afternoon. .TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots after midnight. Partly cloudy. Waves 3 to 4 feet. .WEDNESDAY...South wind 15 to 20 knots becoming 10 to 20 knots early in the afternoon, then becoming 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Slight chance of showers and thunderstorms through the day. Waves 3 to 4 feet building to 4 to 6 feet. .WEDNESDAY NIGHT...South wind 15 to 20 knots veering southwest late in the evening, then easing to 10 to 15 knots after midnight becoming southwest 10 to 15 knots early in the morning. Mostly clear. Waves 4 to 6 feet subsiding to 3 to 4 feet in the late evening and overnight. $$ LMZ644-221600- Port Washington to North Point Light WI- 505 AM CDT Tue Jul 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southeast wind 10 to 15 knots rising to 15 to 20 knots. Partly sunny in the morning then clearing. Waves 3 to 4 feet. .TONIGHT...South wind 10 to 15 knots with gusts to around 20 knots becoming south 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet. .WEDNESDAY...South wind 15 to 20 knots. Slight chance of showers and thunderstorms through the day. Waves 3 to 4 feet. .WEDNESDAY NIGHT...South wind 15 to 20 knots becoming southwest 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 3 to 4 feet subsiding to 1 to 2 feet after midnight. $$ LMZ645-221600- North Point Light to Wind Point WI- 505 AM CDT Tue Jul 22 2025 .TODAY...Southeast wind 10 to 20 knots becoming 15 to 20 knots. Partly sunny in the morning then clearing. Waves 3 to 4 feet. .TONIGHT...South wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the evening, then building to 2 to 4 feet after midnight. .WEDNESDAY...South wind 15 to 20 knots. Slight chance of showers and thunderstorms. Waves 2 to 4 feet. .WEDNESDAY NIGHT...South wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then veering southwest after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LMZ646-221600- Wind Point WI to Winthrop Harbor IL- 505 AM CDT Tue Jul 22 2025 .TODAY...South wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then becoming southeast 10 to 15 knots in the afternoon. Partly sunny in the morning then clearing. Waves 2 to 4 feet. .TONIGHT...Southeast wind 10 to 15 knots veering south early in the morning. Mostly clear. Waves 1 to 3 feet. .WEDNESDAY...South wind 10 to 15 knots rising to 15 to 20 knots. Slight chance of showers and thunderstorms in the morning. Waves 2 to 4 feet. .WEDNESDAY NIGHT...South wind 10 to 15 knots veering southwest after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.