Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
LMZ740>742-120330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
253 PM CDT Sat Apr 11 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING
TONIGHT
East winds 10 to 15 kt becoming south 15 to 20 kt
late. Chance of showers and slight chance of thunderstorms. Waves
1 to 2 ft building to 3 to 5 ft.
SUNDAY
South winds 15 to 25 kt becoming southwest to 30 kt
with occasional gales to 35 kt. Chance of showers and slight
chance of thunderstorms. Waves 3 to 5 ft.
SUNDAY NIGHT
Southwest winds 20 to 25 kt. Showers and slight
chance of thunderstorms in the evening, then showers and a chance
of thunderstorms overnight. Waves 2 to 4 ft.
MONDAY
Southwest winds 15 to 20 kt. Chance of showers and
slight chance of thunderstorms in the morning, then chance of
showers and thunderstorms in the afternoon. Waves 1 to 3 ft.
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