Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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386 FZUS53 KMKX 190805 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 305 AM CDT Tue Aug 19 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-192100- Sheboygan to Port Washington WI- 305 AM CDT Tue Aug 19 2025 .EARLY THIS MORNING...Northwest wind 5 to 10 knots rising to 10 to 15 knots early in the morning. Cloudy with scattered showers and isolated thunderstorms. Waves 1 to 3 feet. .TODAY...North wind 10 to 15 knots rising to 15 to 20 knots late in the morning, then easing to 10 to 15 knots early in the afternoon veering northeast late in the afternoon. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots backing north after midnight. Chance of sprinkles through around midnight. Slight chance of showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .WEDNESDAY...North wind 10 to 15 knots veering northeast early in the afternoon, then becoming north 15 to 20 knots late in the afternoon. Chance of showers. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 to 4 feet. $$ LMZ644-192100- Port Washington to North Point Light WI- 305 AM CDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .EARLY THIS MORNING...Southwest wind 5 knots becoming northwest 5 to 15 knots early in the morning. Cloudy with scattered showers and isolated thunderstorms. Waves 1 to 2 feet. .TODAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots backing north after midnight. Chance of sprinkles through around midnight. Chance of showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .WEDNESDAY...North wind 10 to 15 knots veering northeast early in the afternoon, then becoming north 15 to 20 knots late in the afternoon. Chance of showers. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast 10 to 15 knots after midnight. Mostly clear. Waves 3 to 4 feet. $$ LMZ645-192100- North Point Light to Wind Point WI- 305 AM CDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .EARLY THIS MORNING...Southwest wind 5 to 10 knots veering northwest 5 to 15 knots early in the morning. Cloudy with scattered showers and thunderstorms. Waves 1 to 2 feet. .TODAY...Northwest wind 10 to 15 knots veering north late in the afternoon. Mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...North wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Chance of sprinkles. Waves 3 to 4 feet. .WEDNESDAY...North wind 15 to 20 knots becoming northeast 10 to 15 knots in the late morning and early afternoon, then becoming north 15 to 20 knots late in the afternoon. Chance of showers. Waves 3 to 4 feet. .WEDNESDAY NIGHT...North wind 15 to 20 knots veering northeast after midnight, then becoming east 10 to 15 knots early in the morning. Mostly clear. Waves 3 to 4 feet building to 4 to 6 feet in the late evening and early morning, then subsiding to 3 to 4 feet early in the morning. $$ LMZ646-192100- Wind Point WI to Winthrop Harbor IL- 305 AM CDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .EARLY THIS MORNING...Southwest wind 10 to 15 knots veering west early in the morning. Cloudy with scattered showers and thunderstorms. Patchy fog. Waves 1 to 2 feet. .TODAY...Northwest wind 10 to 15 knots becoming north 15 to 20 knots late in the morning, then easing to 10 to 15 knots early in the afternoon becoming north 10 to 15 knots late in the afternoon. Patchy fog in the morning. chance of sprinkles in the morning. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...North wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Chance of sprinkles through around midnight. Chance of showers after midnight. Waves 3 to 4 feet. .WEDNESDAY...North wind 15 to 20 knots veering northeast late in the morning, then easing to 10 to 15 knots early in the afternoon becoming north 15 to 20 knots late in the afternoon. Slight chance of showers in the morning, then chance of sprinkles in the afternoon. Waves 3 to 4 feet. .WEDNESDAY NIGHT...North wind 15 to 20 knots becoming northeast 10 to 15 knots after midnight, then veering east early in the morning. Mostly clear. Waves 3 to 4 feet. $$ See Lake Michigan Open Waters Forecast for Thursday through Saturday.