Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
Southwest winds 10 to 15 kt becoming south 15 to 20 kt after midnight. Mostly cloudy. Waves 1 ft or less building to 2 to 4 ft.
South winds 15 to 20 kt. Chance of showers in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.
West winds to 30 kt. Chance of showers and slight chance of snow showers in the evening. Waves 2 to 4 ft. A Small Craft Advisory will likely be needed.
West winds 15 to 25 kt. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Wave forecast is for ice free areas