Hazardous marine condition(s):
Hazardous Weather Outlook
LMZ740>742-092115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
915 AM CDT Thu Apr 9 2026
REST OF TODAY
West winds 10 to 15 kt becoming southeast around
10 kt this afternoon. Partly cloudy. Waves 1 to 2 ft.
TONIGHT
East winds around 10 kt becoming northeast 10 to 15 kt
overnight. Showers and a slight chance of thunderstorms. Waves 1
to 3 ft.
FRIDAY
North winds 10 to 15 kt becoming northeast. Chance of
showers in the morning. Waves 1 to 3 ft.
FRIDAY NIGHT
Northeast winds around 10 kt. Mostly clear. Waves
1 to 2 ft.
$$