Small Craft Advisory in effect through Thursday afternoon
Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
South winds 20 to 25 kt increasing to 30 kt in the afternoon. A few gale force gusts to 35 kt this afternoon. Scattered showers and thunderstorms through the day. Waves 1 to 3 ft building to 3 to 6 ft occasionally to 8 ft in the afternoon.
South winds to 30 kt becoming southwest and diminishing to 20 to 25 kt. Chance of showers and thunderstorms. Waves 3 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft overnight.
Southwest winds 20 to 25 kt diminishing to 10 to 20 kt in the early evening. Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.
Southwest winds 10 to 15 kt becoming south after midnight. Showers and thunderstorms likely. Waves 1 ft or less.