LMZ740>742-010330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
304 PM CDT Thu Apr 30 2026
TONIGHT
East winds 10 to 15 kt becoming north late. Scattered
showers in the evening, then isolated showers after midnight.
Waves 1 to 2 ft.
FRIDAY
North winds 10 to 15 kt becoming northeast in the
afternoon. Isolated showers in the afternoon. Waves 1 to 3 ft.
FRIDAY NIGHT
Northeast winds 5 to 10 kt becoming north
overnight. Isolated showers in the evening. Waves 1 to 3 ft.
SATURDAY
North winds 5 to 10 kt becoming northeast in the
afternoon. Partly cloudy. Waves 1 to 2 ft.
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