NWS Marine Forecast


   LMZ740>742-102115-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  355 AM CDT Fri Apr 10 2026    EARLY THIS MORNING  Northeast winds 15 to 20 kt. Showers. Waves  1 to 3 ft.  TODAY  North winds 10 to 20 kt becoming northeast in the  afternoon. Chance of showers in the morning. Waves 2 to 4 ft.  TONIGHT  Northeast winds 10 to 15 kt. Partly cloudy. Waves 1 to  3 ft.  SATURDAY  East winds 10 to 15 kt. Partly cloudy in the morning,  then becoming mostly cloudy. Waves 1 to 2 ft.  SATURDAY NIGHT  Southeast winds 10 to 15 kt becoming south  15 to 20 kt overnight. Chance of showers. Waves 1 to 3 ft  building to 2 to 4 ft.    $$