| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 553 PM CST Sat Nov 14 2026 |  |
| Tonight: Northwest winds around 10 kt. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft. Sunday: Northwest winds 5 to 10 kt becoming northeast around 5 kt. Mostly sunny. Waves 1 to 2 ft. Sunday Night: East winds around 5 kt becoming southwest. Mostly clear. Waves around 1 ft. Monday: Southwest winds around 10 kt. Sunny. Waves around 1 ft. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
Visit your local NWS office at: https://www.weather.gov/lot |