Hazardous marine condition(s):
Small Craft Advisory
LMZ740>742-180415-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
300 PM CST Mon Nov 17 2025
SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT
TONIGHT
East winds around 5 kt becoming southeast and
increasing to 15 to 20 kt after midnight. Slight chance of rain
in the evening, then rain after midnight. Waves 1 to 3 ft
building to 3 to 5 ft.
TUESDAY
Southeast winds 15 to 25 kt becoming east in the
afternoon. Occasional rain and drizzle. Waves 4 to 6 ft
occasionally to 8 ft.
TUESDAY NIGHT
East winds 10 to 20 kt becoming northeast 10 to
15 kt. Cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft.
WEDNESDAY
East winds 10 to 15 kt becoming southeast. Cloudy.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
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