| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 242 PM CST Tue Feb 10 2026 | |
Tonight: Northwest winds 10 to 20 kt increasing to 15 to 25 kt. Partly cloudy. Waves 1 to 3 ft building to 2 to 4 ft. Wednesday: Northwest winds 10 to 20 kt. Partly cloudy in the morning then clearing. Waves 2 to 4 ft subsiding to 1 to 3 ft. Wednesday Night: Northwest winds 10 to 15 kt. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 2 ft. Thursday: Northwest winds around 5 kt becoming east in the afternoon. Mostly cloudy. Waves 1 to 2 ft. wave heights are for ice free areas. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
Visit your local NWS office at: https://www.weather.gov/lot |