NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Hazardous Weather Outlook
   LMZ740>743-201630-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-  349 AM CST Mon Jan 20 2025    SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT    TODAY  West winds 20 to 25 kt. Mostly sunny in the morning,  then becoming partly cloudy. Waves 2 to 4 ft.  TONIGHT  West winds 20 to 25 kt diminishing to 15 to 25 kt.  Occasional flurries. Waves 2 to 4 ft.  TUESDAY  West winds 15 to 20 kt. Mostly sunny. Waves 1 to 3 ft.  TUESDAY NIGHT  Southwest winds 10 to 20 kt becoming south and  increasing to 30 kt. Mostly clear in the evening, then becoming  mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft.    Wave heights are for ice free areas.    $$