Wilmette Harbor - Northerly Island
LMZ740>743-240330- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 317 PM CDT Thu Oct 23 2025
TONIGHT
Northwest winds 10 to 20 kt. Mostly clear. Waves 3 to 5 ft subsiding to 2 to 4 ft.
FRIDAY
Northwest winds 10 to 15 kt becoming north 5 to 10 kt in the afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.
FRIDAY NIGHT
Northeast winds around 5 kt becoming southeast 5 to 10 kt overnight. Mostly clear. Waves 1 to 2 ft.
SATURDAY
Southeast winds 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 1 to 3 ft. $$
TONIGHT
Northwest winds 10 to 20 kt. Mostly clear. Waves 3 to 5 ft subsiding to 2 to 4 ft.
FRIDAY
Northwest winds 10 to 15 kt becoming north 5 to 10 kt in the afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.
FRIDAY NIGHT
Northeast winds around 5 kt becoming southeast 5 to 10 kt overnight. Mostly clear. Waves 1 to 2 ft.
SATURDAY
Southeast winds 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 1 to 3 ft. $$

