Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
LMZ740>742-131000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
903 PM CDT Sun Apr 12 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY
REST OF TONIGHT
Southwest winds to 30 kt with occasional 35 kt
gales through midnight. Showers and slight chance of thunderstorms.
Waves 3 to 5 ft.
MONDAY
Southwest winds 15 to 20 kt becoming south late. Slight
chance of showers and thunderstorms in the afternoon. Waves 2 to 4
ft.
MONDAY NIGHT
South winds 15 to 20 kt becoming southwest.
Chance of showers and thunderstorms. Waves 2 to 4 ft.
TUESDAY
Southwest winds 15 to 20 kt. Chance of showers and
thunderstorms. Waves 2 to 4 ft.
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