NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
 Small Craft Advisory
   LMZ740>743-160445-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-  253 PM CST Thu Jan 15 2026    SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM CST THIS EVENING  THROUGH FRIDAY AFTERNOON    TONIGHT  Southwest winds 15 to 25 kt becoming south. Snow.  Waves 2 to 4 ft.  FRIDAY  Southwest winds 20 to 25 kt becoming west in the  afternoon. Snow likely in the morning, then chance of snow in the  afternoon. Waves 2 to 4 ft.  FRIDAY NIGHT  West winds 15 to 20 kt. Chance of snow showers.  Waves 2 to 4 ft.  SATURDAY  West winds 20 to 25 kt. Slight chance of snow showers  in the morning, then chance of snow showers in the afternoon.  Waves 2 to 4 ft.    $$