NWS Marine Forecast


   LMZ740>742-022130-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  749 AM CDT Thu Oct 2 2025    REST OF TODAY  Southeast winds 15 to 20 kt diminishing to 10 to  15 kt through the morning, then becoming east in the afternoon.  Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.  TONIGHT  Southeast winds around 10 kt becoming south overnight.  Mostly clear. Waves 1 to 2 ft.  FRIDAY  Southwest winds 5 to 10 kt becoming southeast in the  afternoon. Mostly sunny. Waves 1 to 2 ft.  FRIDAY NIGHT  South winds 5 to 10 kt in the evening. Mostly  clear. Waves 1 to 2 ft.    $$