Winthrop Harbor - Wilmette Harbor
LMZ740>743-171030- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 943 PM CDT Mon Mar 16 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TONIGHT
Northwest winds to 30 kt. Scattered snow showers through the early overnight. Waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft.
TUESDAY
Northwest winds 15 to 20 kt becoming west 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
TUESDAY NIGHT
Southwest winds 10 to 15 kt becoming south 15 to 20 kt overnight. Chance of snow in the evening, then snow overnight. Waves 1 to 3 ft building to 2 to 4 ft.
WEDNESDAY
South winds 15 to 20 kt becoming southwest 10 to 15 kt. Slight chance of snow in the morning. Waves 2 to 4 ft. $$
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
REST OF TONIGHT
Northwest winds to 30 kt. Scattered snow showers through the early overnight. Waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft.
TUESDAY
Northwest winds 15 to 20 kt becoming west 10 to 15 kt. Partly cloudy in the morning, then becoming mostly cloudy. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
TUESDAY NIGHT
Southwest winds 10 to 15 kt becoming south 15 to 20 kt overnight. Chance of snow in the evening, then snow overnight. Waves 1 to 3 ft building to 2 to 4 ft.
WEDNESDAY
South winds 15 to 20 kt becoming southwest 10 to 15 kt. Slight chance of snow in the morning. Waves 2 to 4 ft. $$

