Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-Calumet Harbor To Gary-
Northwest winds 10 to 20 kt becoming west 5 to 10 kt early in the afternoon. Partly sunny. Waves 1 to 3 ft subsiding to 1 ft or less in the afternoon.
Southeast winds around 5 kt becoming east after midnight. Chance of snow. Waves 1 ft or less.
Northeast winds 10 to 15 kt. Mostly cloudy. Waves building to 1 to 3 ft.
North winds 10 to 15 kt becoming northwest 15 to 20 kt after midnight. Mostly cloudy. Waves 1 to 3 ft building to 2 to 4 ft after midnight.