NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ740>742-032130-  Winthrop Harbor to Wilmette Harbor IL-  Wilmette Harbor to Northerly Island IL-  Northerly Island to Calumet Harbor IL-  916 AM CDT Thu Jul 3 2025    REST OF TODAY  West winds around 5 kt becoming northeast by  noon, then becoming east 10 to 15 kt in the afternoon. Slight  chance of showers and thunderstorms mid to late afternoon. Waves 1  ft or less building to 1 to 2 ft.  TONIGHT  East winds 5 to 10 kt becoming southeast overnight.  Slight chance of showers and thunderstorms in the evening. Waves  1 to 2 ft subsiding to 1 ft or less.  FRIDAY  South winds 5 to 10 kt becoming southeast 10 to 15 kt  in the afternoon. Slight chance of showers in the morning. Waves  1 to 2 ft.  FRIDAY NIGHT  South winds around 10 kt. Partly cloudy in the  evening, then becoming mostly clear. Waves 1 to 2 ft.    $$