Winthrop Harbor - Wilmette Harbor
LMZ740>743-102345- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 342 AM CST Wed Dec 10 2025
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
EARLY THIS MORNING
West gales to 35 kt. Scattered rain and snow showers. Waves 3 to 5 ft.
TODAY
Northwest gales to 40 kt diminishing to 35 kt. Snow and rain in the morning, then chance of snow showers in the afternoon. Waves 4 to 7 ft occasionally to 9 ft building to 8 to 11 ft occasionally to 14 ft.
TONIGHT
Northwest winds 20 to 25 kt diminishing to 15 to 20 kt. Slight chance of snow showers in the evening. Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft.
THURSDAY
West winds 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 3 to 5 ft subsiding to 1 to 3 ft.
THURSDAY NIGHT
Southwest winds around 10 kt becoming south overnight. Snow likely. Waves 1 to 2 ft. $$
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
EARLY THIS MORNING
West gales to 35 kt. Scattered rain and snow showers. Waves 3 to 5 ft.
TODAY
Northwest gales to 40 kt diminishing to 35 kt. Snow and rain in the morning, then chance of snow showers in the afternoon. Waves 4 to 7 ft occasionally to 9 ft building to 8 to 11 ft occasionally to 14 ft.
TONIGHT
Northwest winds 20 to 25 kt diminishing to 15 to 20 kt. Slight chance of snow showers in the evening. Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft.
THURSDAY
West winds 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 3 to 5 ft subsiding to 1 to 3 ft.
THURSDAY NIGHT
Southwest winds around 10 kt becoming south overnight. Snow likely. Waves 1 to 2 ft. $$
