


Nearshore Marine Forecast
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
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998 FZUS53 KMKX 301005 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 505 AM CDT Sat Aug 30 2025 For waters within five nautical miles of shore on Lake Michigan LMZ643-301600- Sheboygan to Port Washington WI- 505 AM CDT Sat Aug 30 2025 .TODAY...Northeast wind 5 to 10 knots veering southeast late in the afternoon. Sunny. Waves nearly calm. .TONIGHT...Southeast wind 5 to 10 knots becoming northwest late in the evening, then becoming northwest 5 knots after midnight veering north early in the morning. Clear. Waves nearly calm. .SUNDAY...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. Sunny. Waves nearly calm. .SUNDAY NIGHT...East wind 5 to 10 knots easing to 5 knots late in the evening, then backing northeast after midnight backing northwest early in the morning. Mostly clear. Waves nearly calm. $$ LMZ644-301600- Port Washington to North Point Light WI- 505 AM CDT Sat Aug 30 2025 .TODAY...Northeast wind 5 to 10 knots veering east in the afternoon. Partly sunny in the morning then clearing. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots easing to 5 knots late in the evening, then backing north after midnight becoming north 5 knots early in the morning. Clear. Waves nearly calm. .SUNDAY...North wind 5 to 10 knots veering east late in the afternoon. Sunny. Waves nearly calm. .SUNDAY NIGHT...East wind 5 to 10 knots becoming northeast in the late evening and early morning, then backing north early in the morning. Mostly clear. Waves nearly calm. $$ LMZ645-301600- North Point Light to Wind Point WI- 505 AM CDT Sat Aug 30 2025 .TODAY...Northeast wind 5 knots becoming east in the late morning and early afternoon, then becoming east 5 to 10 knots late in the afternoon. Chance of sprinkles in the morning. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves nearly calm. .SUNDAY...Northeast wind 5 to 10 knots veering east in the afternoon. Sunny. Waves around 1 foot. .SUNDAY NIGHT...Northeast wind 5 to 10 knots veering east after midnight, then becoming east 5 to 10 knots early in the morning. Mostly clear. Waves nearly calm. $$ LMZ646-301600- Wind Point WI to Winthrop Harbor IL- 505 AM CDT Sat Aug 30 2025 .TODAY...East wind 5 knots rising to 5 to 10 knots in the late morning and afternoon. Chance of sprinkles in the morning. Waves around 1 foot. .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves nearly calm. .SUNDAY...Northeast wind 5 to 10 knots veering east in the afternoon. Sunny. Waves around 1 foot. .SUNDAY NIGHT...Northeast wind 5 to 10 knots veering east early in the morning. Mostly clear. Waves nearly calm. $$ See Lake Michigan Open Waters Forecast for Monday through Wednesday.