Gale watch in effect from Sunday evening through Monday morning
Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
East winds 10 to 15 kt becoming south. Chance of rain after midnight. Waves 1 to 3 ft.
South winds 5 to 10 kt becoming northeast 10 to 20 kt in the afternoon. Rain likely. Waves 1 ft or less building to 2 to 4 ft in the afternoon.
North winds to 30 kt becoming northeast gales to 35 kt. Chance of rain. Waves building to 7 to 10 ft occasionally to 13 ft building.
North winds to 30 kt easing to 15 to 25 kt. Sunny. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft occasionally to 9 ft in the afternoon.