LMZ740 Winthrop Harbor To Wilmette Harbor Il- Wilmette Harbor To Northerly Island Il- Northerly Island To Calumet Harbor Il- 403 Am Cdt Wed May 8 2024
Today..Southwest winds 5 to 10 kt becoming northeast 10 to 15 kt this afternoon. Mostly Sunny. Waves 1 ft or less building to 1 to 2 ft.
Tonight..Northeast winds 10 to 15 kt increasing to 15 to 20 kt. Chance of showers and slight chance of Thunderstorms in the evening, then showers and a chance of Thunderstorms overnight. Waves 1 to 3 ft building to 3 to 5 ft.
Thursday..Northeast winds 20 to 25 kt becoming north. Showers likely and slight chance of Thunderstorms in the morning, then showers likely in the afternoon. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. A small craft advisory will likely be needed.
Thursday night..North winds 15 to 25 kt diminishing to 10 to 15 kt. Mostly cloudy in the evening, then becoming partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.