| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 936 PM CST Mon Feb 16 2026 |  |
Rest Of Tonight: Southwest winds 10 to 20 kt becoming southeast and diminishing to around 10 kt late. Patchy fog after midnight. Waves 1 ft or less. Tuesday: Southeast winds 10 to 20 kt. Patchy fog in the morning. Slight chance of rain in the afternoon. Waves 1 to 2 ft building to 2 to 4 ft. Tuesday Night: Southeast winds 20 to 25 kt becoming south overnight. Chance of rain and slight chance of thunderstorms overnight. Waves 3 to 5 ft. Wednesday: Southwest winds 20 to 25 kt becoming west. Slight chance of rain in the morning. Waves 2 to 4 ft subsiding to 1 to 3 ft. wave heights are for ice free areas. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
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