Dense fog advisory in effect until 5 PM CDT this afternoon
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
Northeast winds around 15 kt becoming east after midnight. Chance of showers in the evening, then showers and a chance of thunderstorms after midnight. Waves 2 to 4 ft building to 3 to 5 ft after midnight.
Southeast winds 15 to 20 kt. Thunderstorms likely in the morning. Rain showers through the day. Thunderstorms in the afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft in the afternoon.
Southeast winds 10 to 20 kt becoming northwest 15 to 25 kt after midnight. Chance of thunderstorms in the evening. Chance of showers through the night. Waves 1 to 3 ft.
North winds 15 to 25 kt. Chance of showers. Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft in the afternoon.