NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
 Small Craft Advisory
 Marine Weather Statement
   LMZ740>742-020315-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  244 PM CDT Sat Nov 1 2025    SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH  MONDAY MORNING    TONIGHT  West winds 10 to 15 kt becoming northwest. Scattered  showers and isolated waterspouts in the evening, then isolated  showers after midnight. Waves 2 to 4 ft.  SUNDAY  Northwest winds around 10 kt becoming southwest and  increasing to 20 to 25 kt by late afternoon. Partly cloudy in the  morning then clearing. Waves 1 to 3 ft.  SUNDAY NIGHT  Southwest winds 20 to 25 kt. Partly cloudy.  Waves 2 to 4 ft.  MONDAY  West winds 20 to 25 kt diminishing to 15 to 20 kt in the  morning. Partly cloudy in the morning then clearing. Waves 2 to 4  ft subsiding to 1 to 3 ft.    $$