| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 931 PM CDT Sun Aug 2 2026 |  |
Rest Of Tonight: North winds 15 to 20 kt becoming northeast and diminishing to around 10 kt. Mostly clear late in the evening, then becoming partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft late tonight. Monday: Northeast winds around 10 kt. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 2 ft. Monday Night: East winds around 10 kt becoming south overnight. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft. Tuesday: South winds around 10 kt. Partly cloudy in the morning, then becoming mostly sunny. Waves 1 to 2 ft. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
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