NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ740>742-132115-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  909 AM CDT Sat Jun 13 2026    REST OF TODAY  Southwest winds 15 to 25 kt. Mostly sunny in the  morning, then becoming partly cloudy. Waves 1 to 3 ft.  TONIGHT  Southwest winds 10 to 20 kt becoming northwest  overnight. Showers and a chance of thunderstorms. Waves 1 to 3 ft.  SUNDAY  Northwest winds 15 to 25 kt diminishing to 10 to 20 kt.  Chance of showers in the morning. Waves 2 to 4 ft.  SUNDAY NIGHT  Northwest winds 10 to 20 kt becoming west 10 to  15 kt overnight. Partly cloudy in the evening, then becoming  mostly clear. Waves 1 to 3 ft.    $$