Wilmette Harbor - Northerly Island
LMZ741-742-160315- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 359 PM CDT Sun Mar 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY EVENING
LATE THIS AFTERNOON
South gales to 40 kt becoming north to 30 kt by early evening. Showers and slight chance of thunderstorms. Waves 3 to 5 ft.
TONIGHT
North winds to 30 kt becoming northwest and increasing to 40 kt. Rain showers and slight chance of thunderstorms in the evening, then snow likely, chance of rain and sleet after midnight. Waves 3 to 5 ft building to 8 to 12 ft occasionally to 16 ft.
MONDAY
Northwest gales to 40 kt. Snow. Waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to 10 ft occasionally to 13 ft.
MONDAY NIGHT
Northwest gales to 35 kt diminishing to 20 to 25 kt. Chance of snow in the evening, then slight chance of snow showers overnight. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft.
TUESDAY
Northwest winds 15 to 20 kt becoming west 10 to 15 kt. Partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. $$
..GALE WARNING IN EFFECT THROUGH MONDAY EVENING
LATE THIS AFTERNOON
South gales to 40 kt becoming north to 30 kt by early evening. Showers and slight chance of thunderstorms. Waves 3 to 5 ft.
TONIGHT
North winds to 30 kt becoming northwest and increasing to 40 kt. Rain showers and slight chance of thunderstorms in the evening, then snow likely, chance of rain and sleet after midnight. Waves 3 to 5 ft building to 8 to 12 ft occasionally to 16 ft.
MONDAY
Northwest gales to 40 kt. Snow. Waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to 10 ft occasionally to 13 ft.
MONDAY NIGHT
Northwest gales to 35 kt diminishing to 20 to 25 kt. Chance of snow in the evening, then slight chance of snow showers overnight. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft.
TUESDAY
Northwest winds 15 to 20 kt becoming west 10 to 15 kt. Partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. $$
