NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Hazardous Weather Outlook
   LMZ740>743-111015-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-  918 PM CST Sat Jan 10 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON    REST OF TONIGHT  West winds to 30 kt becoming northwest.  Occasional gale gusts to 35 kt possible. Snow showers likely.  Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.  SUNDAY  Northwest winds to 30 kt with a few gale force gusts  possible early diminishing to 15 to 25 kt in the afternoon. A  few flurries in the morning. Waves 4 to 6 ft occasionally to 8 ft.  SUNDAY NIGHT  Southwest winds 15 to 20 kt. Partly cloudy. Waves  3 to 5 ft subsiding to 2 to 4 ft.  MONDAY  Southwest winds 15 to 20 kt. Partly cloudy in the  morning then clearing. Waves 1 to 3 ft.    $$