LMZ740>742-192115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
959 AM CDT Fri Jun 19 2026
TODAY
Northwest winds 10 to 15 kt becoming east early in the
afternoon then becoming southeast late in the afternoon. Sunny.
Waves 1 to 2 ft.
TONIGHT
South winds 10 to 15 kt becoming west overnight.
Chance of showers and slight chance of thunderstorms in the
evening, then chance of showers overnight. Waves around 1 ft.
SATURDAY
West winds 10 to 15 kt becoming northwest in the
afternoon. Sunny. Waves 1 to 2 ft.
SATURDAY NIGHT
North winds around 10 kt becoming northeast
overnight. Partly cloudy in the evening, then becoming mostly
cloudy. Waves 1 ft or less.
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