Small Craft Advisory in effect from late tonight through late Monday night
Winthrop Harbor To Wilmette Harbor-
Wilmette Harbor To Northerly Island-
Northerly Island To Calumet Harbor-
South winds 10 to 20 kt. Patchy fog in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft late in the afternoon.
South winds 15 to 20 kt increasing to 20 to 25 kt. Areas of fog. Chance of showers and slight chance of thunderstorms. Waves 2 to 4 ft building to 3 to 5 ft occasionally to 7 ft after midnight.
South winds to 30 kt. Showers likely and a chance of thunderstorms in the morning. Areas of fog through the day. Waves 3 to 5 ft occasionally to 7 ft.
South winds 20 to 25 kt diminishing to 15 to 20 kt. Chance of showers and thunderstorms after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight.