NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ740>743-231030-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  Calumet Harbor IL to Gary IN-  957 PM CST Sat Nov 22 2025    REST OF TONIGHT  West winds 15 to 25 kt becoming northwest 15  to 20 kt late. Mostly clear. Waves 1 to 3 ft.  SUNDAY  Northwest winds 10 to 20 kt becoming west 10 to 15 kt  in the afternoon. Sunny. Waves 1 to 3 ft subsiding to 1 to 2 ft.  SUNDAY NIGHT  Southwest winds 10 to 15 kt becoming south. Clear  in the evening, then becoming partly cloudy. Waves 1 to 2 ft.  MONDAY  South winds 10 to 20 kt diminishing to around 15 kt.  Mostly cloudy. Waves 1 to 3 ft.    $$