Hazardous marine condition(s):
Small Craft Advisory
LMZ740>742-070415-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
252 PM CST Sat Dec 6 2025
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY MORNING
LATE THIS AFTERNOON
Variable winds around 5 kt. A chance of
flurries. Waves around 1 ft.
TONIGHT
South winds 10 to 15 kt becoming north late. Chance of
snow in the evening, then snow after midnight. Waves 1 to 2 ft.
SUNDAY
North winds 10 to 20 kt increasing to 20 to 25 kt during
the morning. Chance of snow in the morning, then slight chance of
snow in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
SUNDAY NIGHT
North winds 10 to 20 kt becoming east overnight.
Chance of snow in the evening, then slight chance of snow
overnight. Waves 4 to 7 ft occasionally to 9 ft.
MONDAY
Southeast winds 10 to 15 kt becoming south in the
afternoon. Mostly cloudy. Waves 3 to 6 ft subsiding to 2 to 4 ft.
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