Northerly Island - Calumet Harbor


Currently at Calumet Harbor (CMTI2)
75 °F
10 mph

LMZ740>742-110315- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 325 PM CDT Thu Jul 10 2025

LATE THIS AFTERNOON
East winds 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft.

TONIGHT
East winds 5 to 10 kt becoming south late. Scattered showers and thunderstorms in the evening, then numerous showers and scattered thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Waves 1 to 2 ft.

FRIDAY
South winds 10 to 15 kt becoming east late. Scattered showers and thunderstorms. Some thunderstorms may produce heavy rainfall in the morning. Waves 1 to 2 ft.

FRIDAY NIGHT
South winds around 10 kt. Scattered showers and thunderstorms. Waves 1 to 2 ft.

SATURDAY
Southwest winds 10 to 15 kt. Chance of showers and thunderstorms in the morning, then showers likely and numerous thunderstorms in the afternoon. Waves 1 to 2 ft. $$