NWS Marine Forecast


   LMZ740>745-021615-  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-  242 AM CST Mon Feb 2 2026    TODAY  Southwest winds around 10 kt becoming northwest by early  afternoon.  TONIGHT  Northwest winds around 10 kt. Slight chance of snow  overnight.  TUESDAY  Northwest winds 10 to 15 kt becoming north. Slight  chance of snow in the morning.  TUESDAY NIGHT  North winds 10 to 15 kt becoming northwest.  Slight chance of snow showers.    Waves omitted due to extensive ice coverage.    $$