LMZ740>742-191615-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
259 AM CST Wed Nov 19 2025
TODAY
East winds 10 to 15 kt diminishing to around 5 kt.
Cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.
TONIGHT
Southeast winds around 5 kt becoming southwest
overnight. Cloudy. Waves 1 to 2 ft.
THURSDAY
Southwest winds around 10 kt. Mostly cloudy. Waves
1 to 2 ft.
THURSDAY NIGHT
Southwest winds around 10 kt becoming northwest
overnight. Slight chance of rain in the evening. Waves 1 to 2 ft.
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