NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ740>742-231015-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  928 PM CST Wed Jan 22 2025    REST OF TONIGHT  Southwest winds 15 to 25 kt shifting  northwest toward morning. Snow. Waves 1 to 3 ft.  THURSDAY  Northwest winds 15 to 25 kt. Slight chance of snow  in the morning. Waves 2 to 4 ft.  THURSDAY NIGHT  Northwest winds 10 to 15 kt becoming west.  Mostly clear. Waves 2 to 4 ft subsiding to 1 to 3 ft.  FRIDAY  West winds 10 to 15 kt becoming southwest in the  afternoon. Mostly sunny. Waves 1 to 2 ft.    Wave heights are for ice free areas.    $$