


Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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601 FZUS53 KMKX 310805 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 305 AM CDT Sun Aug 31 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-312100- Sheboygan to Port Washington WI- 305 AM CDT Sun Aug 31 2025 .EARLY THIS MORNING...Northwest wind 5 knots veering north early in the morning. Clear. Waves nearly calm. .TODAY...Northwest wind 5 knots veering north late in the morning, then becoming southeast early in the afternoon becoming southeast 5 to 10 knots late in the afternoon. Sunny. Waves nearly calm. .TONIGHT...South wind 5 to 10 knots becoming west late in the evening, then veering northwest after midnight. Mostly clear. Waves nearly calm. .MONDAY...Northwest wind 5 knots becoming northeast late in the morning, then veering east early in the afternoon becoming east 5 to 10 knots late in the afternoon. Sunny. Waves nearly calm. .MONDAY NIGHT...East wind 5 to 10 knots becoming north late in the evening, then backing northwest after midnight becoming northwest 5 knots early in the morning. Mostly clear. Waves nearly calm. $$ LMZ644-312100- Port Washington to North Point Light WI- 305 AM CDT Sun Aug 31 2025 .EARLY THIS MORNING...North wind 5 knots veering northeast early in the morning. Clear. Patchy fog. Waves nearly calm. .TODAY...North wind 5 knots becoming northeast late in the morning, then veering east early in the afternoon becoming east 5 to 10 knots late in the afternoon. Patchy fog in the morning. Waves nearly calm. .TONIGHT...East wind 5 to 10 knots easing to 5 knots late in the evening, then backing northeast after midnight backing north early in the morning. Mostly clear. Waves nearly calm. .MONDAY...Northwest wind 5 knots becoming northeast late in the morning, then veering east early in the afternoon becoming east 5 to 10 knots late in the afternoon. Sunny. Waves nearly calm. .MONDAY NIGHT...East wind 5 to 10 knots becoming northeast late in the evening, then backing north after midnight backing northwest early in the morning. Mostly clear. Waves nearly calm. $$ LMZ645-312100- North Point Light to Wind Point WI- 305 AM CDT Sun Aug 31 2025 .EARLY THIS MORNING...Northeast wind 5 to 10 knots. Clear. Patchy fog. Waves nearly calm. .TODAY...Northeast wind 5 knots rising to 5 to 10 knots late in the morning, then veering east in the afternoon. Sunny. Waves nearly calm. .TONIGHT...East wind 5 to 10 knots easing to 5 knots early in the morning. Mostly clear. Waves nearly calm. .MONDAY...North wind 5 to 10 knots veering northeast late in the morning, then veering east early in the afternoon becoming east 5 to 10 knots late in the afternoon. Sunny. Waves around 1 foot. .MONDAY NIGHT...Northeast wind 5 to 10 knots backing north early in the morning. Mostly clear. Waves nearly calm. $$ LMZ646-312100- Wind Point WI to Winthrop Harbor IL- 305 AM CDT Sun Aug 31 2025 .EARLY THIS MORNING...Northeast wind 5 to 10 knots. Clear. Waves nearly calm. .TODAY...Northeast wind 5 knots rising to 5 to 10 knots late in the morning, then veering east early in the afternoon becoming east 5 to 10 knots late in the afternoon. Sunny. Waves nearly calm. .TONIGHT...Northeast wind 5 to 10 knots veering east after midnight, then easing to 5 knots early in the morning. Clear. Waves nearly calm. .MONDAY...Northeast wind 5 to 10 knots veering east late in the morning, then becoming east 5 to 10 knots in the afternoon. Sunny. Waves around 1 foot. .MONDAY NIGHT...Northeast wind 5 to 10 knots backing north early in the morning. Mostly clear. Waves nearly calm. $$ See Lake Michigan Open Waters Forecast for Tuesday through Thursday.