Northerly Island - Calumet Harbor
LMZ740>743-220415- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 341 PM CST Wed Jan 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING
..GALE WARNING IN EFFECT FROM 7 PM CST THIS EVENING THROUGH LATE TONIGHT
LATE THIS AFTERNOON
Southwest winds 20 to 25 kt. Mostly cloudy. Waves 1 to 2 ft.
TONIGHT
West gales to 40 kt. Numerous snow showers in the evening. Waves 1 to 3 ft building to 2 to 4 ft.
THURSDAY
West winds 20 to 25 kt increasing to 30 kt. Slight chance of snow showers in the afternoon. Waves 1 to 3 ft.
THURSDAY NIGHT
Northwest winds to 30 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 2 to 4 ft.
FRIDAY
Northwest winds to 30 kt diminishing to 15 to 25 kt. Slight chance of snow showers. Waves 2 to 4 ft. Wave heights are for ice free areas. $$
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING
..GALE WARNING IN EFFECT FROM 7 PM CST THIS EVENING THROUGH LATE TONIGHT
LATE THIS AFTERNOON
Southwest winds 20 to 25 kt. Mostly cloudy. Waves 1 to 2 ft.
TONIGHT
West gales to 40 kt. Numerous snow showers in the evening. Waves 1 to 3 ft building to 2 to 4 ft.
THURSDAY
West winds 20 to 25 kt increasing to 30 kt. Slight chance of snow showers in the afternoon. Waves 1 to 3 ft.
THURSDAY NIGHT
Northwest winds to 30 kt. Partly cloudy in the evening, then becoming mostly cloudy. Waves 2 to 4 ft.
FRIDAY
Northwest winds to 30 kt diminishing to 15 to 25 kt. Slight chance of snow showers. Waves 2 to 4 ft. Wave heights are for ice free areas. $$
