Chicago, IL - LMZ741 - 3/12/2026 3:17 AM
Wilmette Harbor to Northerly Island IL
GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING
TODAY
West winds 10 to 15 kt becoming southwest in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 2 ft.
TONIGHT
South winds to 30 kt becoming southwest and increasing to 45 kt gales. A few storm force gusts to 50 kt possible late. Slight chance of showers in the evening, then showers likely overnight. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft.
FRIDAY
West gales to 45 kt. Occasional storm force gusts to 50 kt possible. Mostly cloudy. Waves 4 to 7 ft occasionally to 9 ft.
FRIDAY NIGHT
Northwest gales to 35 kt diminishing to 10 to 15 kt. Mostly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft.