NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LMZ740-162230-  Winthrop Harbor to Wilmette Harbor IL-  947 AM CDT Thu Apr 16 2026    REST OF TODAY  Variable winds less than 10 kt becoming  northeast 10 to 15 kt in the afternoon. Patchy fog. A chance of  showers and slight chance of thunderstorms. Waves 1 to 2 ft.  TONIGHT  Northeast winds around 10 kt becoming southeast  overnight. Areas of fog. Waves 1 to 2 ft.  FRIDAY  Southeast winds 10 to 20 kt increasing to 15 to 25 kt.  Areas of fog in the morning. Waves 1 to 2 ft building to 2 to 4  ft.  FRIDAY NIGHT  South winds 15 to 25 kt becoming southwest  overnight. Showers with thunderstorms likely in the evening, then  showers and slight chance of thunderstorms overnight. Waves 2 to  4 ft.    $$