Northerly Island - Calumet Harbor
LMZ740>742-172145- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 933 AM CDT Fri Apr 17 2026
..SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING
REST OF TODAY
Southeast winds 10 to 15 kt becoming south 20 to 25 kt. Waves 1 to 2 ft building to 2 to 4 ft.
TONIGHT
South winds 20 to 25 kt becoming southwest overnight. Showers with thunderstorms likely in the evening, then showers likely and a chance of thunderstorms overnight. Waves 3 to 5 ft subsiding to 2 to 4 ft.
SATURDAY
Northwest winds 20 to 25 kt becoming west. Chance of showers in the morning. Waves 1 to 3 ft.
SATURDAY NIGHT
West winds 15 to 25 kt. Mostly clear. Waves 1 to 3 ft. $$
..SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING
REST OF TODAY
Southeast winds 10 to 15 kt becoming south 20 to 25 kt. Waves 1 to 2 ft building to 2 to 4 ft.
TONIGHT
South winds 20 to 25 kt becoming southwest overnight. Showers with thunderstorms likely in the evening, then showers likely and a chance of thunderstorms overnight. Waves 3 to 5 ft subsiding to 2 to 4 ft.
SATURDAY
Northwest winds 20 to 25 kt becoming west. Chance of showers in the morning. Waves 1 to 3 ft.
SATURDAY NIGHT
West winds 15 to 25 kt. Mostly clear. Waves 1 to 3 ft. $$
