NWS Marine Forecast


   LMZ740>745-010330-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-  Burns Harbor to Michigan City IN-  120 PM CDT Sun May 31 2026    LATE THIS AFTERNOON  Northeast winds around 10 kt. Mostly  cloudy. Waves 1 to 2 ft.  TONIGHT  Northeast winds around 10 kt becoming north. Mostly  cloudy. Waves 1 to 2 ft.  MONDAY  North winds 10 to 15 kt. Mostly cloudy. Waves 1 to  2 ft.  MONDAY NIGHT  North winds 10 to 20 kt becoming northeast  overnight. Partly cloudy in the evening then clearing. Waves 1 to  3 ft building to 2 to 4 ft.  TUESDAY  Northeast winds 10 to 15 kt. Sunny. Waves 2 to 4 ft  subsiding to 1 to 3 ft.    $$