NWS Marine Forecast


   LMZ740>742-032115-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  1009 AM CDT Fri Oct 3 2025    REST OF TODAY  South winds around 10 kt becoming southeast this  afternoon. Mostly sunny. Waves 1 to 2 ft.  TONIGHT  Southeast winds 5 to 10 kt becoming southwest. Mostly  clear. Waves 1 to 2 ft.  SATURDAY  Southwest winds 10 to 15 kt becoming south in the  afternoon. Mostly sunny. Waves 1 to 3 ft.  SATURDAY NIGHT  South winds 10 to 15 kt. Clear. Waves 1 to  3 ft.    $$