LMZ740 Winthrop Harbor To Wilmette Harbor Il- Wilmette Harbor To Northerly Island Il- Northerly Island To Calumet Harbor Il- 412 Am Cdt Tue Apr 16 2024
.small craft advisory in effect from 10 am cdt this morning through Wednesday evening...
Today..East winds around 15 kt increasing to 30 kt. Isolated showers and Thunderstorms in the morning, then scattered showers and Thunderstorms in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft.
Tonight..Southeast winds to 30 kt with occasional gale gusts to 35 kt diminishing to 20 to 25 kt. Showers and scattered Thunderstorms. Waves 6 to 9 ft occasionally to 12 ft subsiding to 5 to 8 ft occasionally to 10 ft late.
Wednesday..South winds to 30 kt becoming southwest and increasing to 30 kt in the afternoon. Occasional gale force gusts to 35 kt in the afternoon. Showers likely and a chance of Thunderstorms in the morning, then slight chance of showers in the afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
Wednesday night..West winds to 30 kt diminishing to 10 to 20 kt. Mostly cloudy in the evening, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.