NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Hazardous Weather Outlook
   LMZ740>742-110445-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  336 PM CST Mon Nov 10 2025    SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT  SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH  WEDNESDAY EVENING    TONIGHT  Northwest winds to 25 kt becoming west and diminishing  to 15 to 20 kt. Partly cloudy in the evening, then becoming  mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3  to 5 ft.  TUESDAY  Southwest winds to 30 kt. Chance of snow in the  morning. Waves 3 to 5 ft.  TUESDAY NIGHT  West winds 20 to 25 kt. Mostly clear. Waves 2 to  4 ft.  WEDNESDAY  West winds to 30 kt. Mostly sunny. Waves 2 to 4 ft.    $$