LMZ740>742-010315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
245 PM CDT Sat Oct 31 2026
TONIGHT
Southeast winds 10 to 15 kt. Isolated showers in the
evening, then chance of showers after midnight. Waves 1 to 3 ft.
SUNDAY
Southeast winds around 10 kt. A chance of sprinkles.
Waves 1 to 2 ft.
SUNDAY NIGHT
Southeast winds 10 to 15 kt becoming south.
Mostly cloudy. Waves 1 to 3 ft.
MONDAY
South winds 10 to 20 kt. Slight chance of showers in
the afternoon. Waves 2 to 4 ft building to 3 to 5 ft.
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