Expires:202507180900;;613917 FZUS53 KMKX 172005 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 305 PM CDT Thu Jul 17 2025 For waters within five nautical miles of shore on Lake Michigan LMZ646-180900- Wind Point WI to Winthrop Harbor IL- 305 PM CDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY... .THROUGH EARLY EVENING...North wind 10 to 15 knots veering northeast late in the afternoon. Mostly cloudy. Waves 3 to 4 feet. .TONIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves 3 to 4 feet. .FRIDAY...East wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then becoming east 5 to 10 knots in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. .FRIDAY NIGHT...East wind 5 to 10 knots veering southeast early in the morning. Chance of showers and slight chance of thunderstorms after midnight. Waves around 1 foot. .SATURDAY...South wind 5 to 10 knots. Chance of showers and thunderstorms. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.