NWS Marine Forecast


   LMZ646-050400-  Wind Point WI to Winthrop Harbor IL-  417 PM CDT Sat Oct 4 2025    TONIGHT  South wind 10 to 15 knots rising to 15 to 20 knots  late in the evening, then easing to 10 to 15 knots after  midnight. Clear. Waves 2 to 4 feet subsiding to 1 to 2 feet after  midnight.  SUNDAY  South wind 10 to 15 knots rising to 15 to 20 knots late  in the morning, then becoming south 15 to 20 knots in the  afternoon. Sunny. Waves 1 to 2 feet building to 3 to 4 feet in  the late morning and afternoon.  SUNDAY NIGHT  South wind 15 to 20 knots veering southwest early  in the morning. Mostly clear. Waves 3 to 4 feet.  MONDAY  Southwest wind 10 to 20 knots becoming 10 to 15 knots  late in the morning, then easing to 5 to 10 knots early in the  afternoon veering northwest late in the afternoon. Chance of  showers and slight chance of thunderstorms in the afternoon.  Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning  and afternoon.    Wave heights are for ice free areas.    $$