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   LMZ740>742-230915-  Winthrop Harbor to Wilmette Harbor-  Wilmette Harbor to Northerly Island-  Northerly Island to Calumet Harbor-  1006 PM CDT Thu Apr 22 2021    REST OF TONIGHT  Southwest winds 15 to 25 kt. Partly cloudy.  Waves 1 to 2 ft.  FRIDAY  Southwest winds around 15 kt becoming south in the  afternoon. Mostly cloudy. Waves 1 ft or less building to 1 to  3 ft in the afternoon.  FRIDAY NIGHT  South winds 10 to 15 kt. Chance of rain. Waves  1 to 3 ft.  SATURDAY  East winds 5 to 10 kt becoming northeast in the  afternoon. Chance of rain. Waves 1 ft or less.    $$

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