Northerly Island - Calumet Harbor
LMZ740>742-201600- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 326 AM CDT Fri Mar 20 2026
TODAY
Southwest winds 15 to 20 kt becoming northeast by mid afternoon. Mostly cloudy. Waves around 1 ft building to 1 to 3 ft.
TONIGHT
Northeast winds 10 to 15 kt becoming east late. Mostly cloudy. Waves 1 to 3 ft.
SATURDAY
Southeast winds 10 to 15 kt becoming south in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 2 ft.
SATURDAY NIGHT
Southwest winds 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft. $$
TODAY
Southwest winds 15 to 20 kt becoming northeast by mid afternoon. Mostly cloudy. Waves around 1 ft building to 1 to 3 ft.
TONIGHT
Northeast winds 10 to 15 kt becoming east late. Mostly cloudy. Waves 1 to 3 ft.
SATURDAY
Southeast winds 10 to 15 kt becoming south in the afternoon. Mostly cloudy in the morning, then becoming partly cloudy. Waves 1 to 2 ft.
SATURDAY NIGHT
Southwest winds 10 to 15 kt. Partly cloudy. Waves 1 to 2 ft. $$

