LMZ740>742-070445-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
222 PM CST Tue Jan 6 2026
TONIGHT
West winds 10 to 15 kt. Patchy drizzle in the evening.
Patchy fog. Waves 1 to 2 ft.
WEDNESDAY
Southwest winds 10 to 15 kt. Patchy fog in the
morning. Waves 1 to 2 ft.
WEDNESDAY NIGHT
South winds 10 to 15 kt. Mostly clear in the
evening, then becoming mostly cloudy. Waves 1 to 3 ft.
THURSDAY
South winds around 15 kt increasing to 10 to 20 kt.
Slight chance of rain in the morning, then rain in the afternoon.
Waves 1 to 3 ft.
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