| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 312 AM CST Mon Dec 1 2025 |  |
| Today: West winds 10 to 15 kt becoming south this morning. snow in the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft. Tonight: South winds 10 to 15 kt becoming west overnight. Snow in the evening, then chance of snow overnight. Waves 1 to 3 ft. Tuesday: West winds 10 to 15 kt. Mostly cloudy. Waves 1 to 3 ft. Tuesday Night: Southwest winds 15 to 25 kt. Mostly cloudy. Waves building to 2 to 4 ft. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
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