Winthrop Harbor - Wilmette Harbor
LMZ740>743-122130- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 918 AM CDT Thu Mar 12 2026
..GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
..STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON
..GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING
REST OF TODAY
West winds 10 to 15 kt becoming southwest late. Sunny late 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 40 kt gales late in the evening, then to 50 kt storm force winds overnight. 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 storm force winds to 50 kt diminishing to 45 kt gales late. 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. $$
..GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT
..STORM WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON
..GALE WARNING IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING
REST OF TODAY
West winds 10 to 15 kt becoming southwest late. Sunny late in the morning, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 2 ft.
TONIGHT
South winds to 30 kt becoming southwest and increasing to 40 kt gales late in the evening, then to 50 kt storm force winds overnight. Slight chance of showers in the evening, then showers likely overnight. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft.
FRIDAY
West storm force winds to 50 kt diminishing to 45 kt gales late. Mostly cloudy. Waves 4 to 7 ft occasionally to 9 ft.
FRIDAY NIGHT
Northwest gales to 35 kt diminishing to 10 to 15 kt. Mostly cloudy. Waves 3 to 5 ft subsiding to 2 to 4 ft. $$
