Hazardous marine condition(s):
Small Craft Advisory
Hazardous Weather Outlook
LMZ741-742-051015-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
939 PM CST Thu Dec 4 2025
SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING
REST OF TONIGHT
Southwest winds 10 to 20 kt increasing to 15 to
25 kt late. Mostly clear late in the evening, then becoming
partly cloudy. Waves 1 to 3 ft.
FRIDAY
Southwest winds 15 to 25 kt increasing to 20 to 25 kt by
midday. Mostly cloudy in the morning, then becoming partly
cloudy. Waves 1 to 3 ft.
FRIDAY NIGHT
Southwest winds 20 to 25 kt becoming west 15 to
20 kt overnight. Chance of snow and freezing drizzle. Waves 1 to 3
ft.
SATURDAY
West winds 10 to 15 kt becoming northwest. Mostly
cloudy. Waves 1 to 2 ft.
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