NWS Marine Forecast


   LMZ740>745-202115-  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-  952 AM CDT Tue Oct 20 2026    REST OF TODAY  East winds less than 10 kt becoming northeast  around 10 kt in the afternoon. Sunny. Waves around 1 ft.  TONIGHT  East winds around 10 kt becoming light and variable  late in the evening. Mostly clear. Waves around 1 ft.  WEDNESDAY  Light winds becoming east around 10 kt in the  afternoon. Mostly sunny. Waves around 1 ft.  WEDNESDAY NIGHT  Southeast winds less than 10 kt becoming light  and variable late in the evening. Mostly clear. Waves 1 ft or  less.    $$