LMZ740>742-190600-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
247 PM CDT Wed Mar 18 2026
TONIGHT
Southwest winds 10 to 15 kt becoming variable 5 to
10 kt overnight. Slight chance of showers after midnight. Waves
1 to 3 ft subsiding to around 1 ft.
THURSDAY
East winds 5 to 10 kt. Chance of showers in the
morning. Waves around 1 ft.
THURSDAY NIGHT
East winds around 10 kt becoming south
overnight. Mostly cloudy. Waves 1 to 2 ft.
FRIDAY
Southwest winds 10 to 15 kt becoming west in the
afternoon. Mostly cloudy. Waves 1 to 2 ft.
$$
