Gale Warning in effect from this evening through late Saturday night
Northerly Island To Calumet Harbor-Calumet Harbor To Gary-
Southeast winds 10 to 20 kt increasing to 15 to 25 kt in the afternoon. Snow developing toward evening. Waves 2 to 4 ft building to 3 to 5 ft in the afternoon.
Southeast gales to 35 kt. Snow in the evening then a wintry mix overnight. Waves 4 to 6 ft occasionally to 8 ft.
Southwest gales to 35 kt becoming west gales to 45 kt in the morning. Rain in the morning, then a slight chance of snow showers in the afternoon. Waves 4 to 6 ft occasionally to 8 ft.
West gales to 35 kt. Heavy freezing spray. Waves 4 to 6 ft occasionally to 8 ft.