LMZ740>742-222130-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
1001 AM CDT Wed Jul 22 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
REST OF TODAY
North winds 15 to 25 kt becoming northeast 10 to
15 kt in the afternoon. Partly cloudy late in the morning then
clearing. Waves 4 to 6 ft occasionally to 8 ft.
TONIGHT
Northeast winds 10 to 15 kt becoming northwest around 5
kt overnight. Mostly clear. Waves 3 to 6 ft occasionally to 8 ft
subsiding to 1 to 3 ft.
THURSDAY
West winds around 10 kt becoming southeast in the
afternoon. Mostly sunny. Waves 1 to 2 ft.
THURSDAY NIGHT
Southeast winds around 10 kt becoming south
overnight. Increasing cloudiness. Waves 1 to 2 ft.
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