| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 302 AM CST Wed Feb 25 2026 | |
Today: Northwest winds 20 to 25 kt diminishing to 15 to 20 kt. Partly cloudy in the morning, then becoming mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft. Tonight: Northwest winds 10 to 15 kt. Partly cloudy in the evening then clearing. Waves 1 to 2 ft. Thursday: West winds 10 to 15 kt becoming southwest in the afternoon. Partly cloudy. Waves 1 to 2 ft. Thursday Night: Southwest winds 10 to 15 kt. Partly cloudy in the evening, then becoming mostly clear. Waves 1 to 2 ft. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
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