Hazardous marine condition(s):
Hazardous Weather Outlook
LMZ740>742-090930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
952 PM CDT Tue Sep 8 2026
REST OF TONIGHT
South winds 10 to 15 kt becoming southwest.
Isolated showers late in the evening, then scattered to numerous
showers and slight chance of thunderstorms after midnight. Waves 1
to 2 ft.
WEDNESDAY
Southwest winds 10 to 15 kt becoming west and
diminishing to 5 to 10 kt late. Numerous showers and a slight
chance of thunderstorms in the morning. Waves 1 to 2 ft.
WEDNESDAY NIGHT
West winds 5 to 10 kt becoming northwest 10 to
15 kt overnight. Mostly cloudy. Waves 1 to 2 ft.
THURSDAY
North winds 10 to 15 kt becoming northeast 5 to 10 kt
in the afternoon. Mostly cloudy in the morning then clearing.
Waves 1 to 3 ft.
$$