Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
West winds 10 to 15 kt becoming northwest this evening...then becoming north after midnight. Chance of snow showers after midnight. Waves 1 to 3 ft.
North winds 10 to 15 kt. Snow showers likely. Waves building to 2 to 4 ft.
North winds 15 to 20 kt. Snow showers likely. Waves building to 3 to 5 ft occasionally to 7 ft.
Northwest winds 15 to 20 kt. Slight chance of snow showers in the morning. Waves 3 to 6 ft occasionally to 8 ft. A Small Craft Advisory will likely be needed.