Northerly Island - Calumet Harbor
LMZ740>742-281515- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 644 AM CDT Tue Jul 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
TODAY
North winds 15 to 25 kt increasing to 30 kt. Patchy fog and drizzle in the morning Waves 5 to 8 ft occasionally to 10 ft.
TONIGHT
North winds to 30 kt gradually diminishing to 10 to 15 kt by morning. Partly cloudy. Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft late.
WEDNESDAY
North winds 10 to 15 kt. Sunny. Waves 3 to 5 ft subsiding to 2 to 4 ft.
WEDNESDAY NIGHT
North winds around 10 kt becoming northwest overnight. Mostly clear. Waves 1 to 3 ft. $$
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
TODAY
North winds 15 to 25 kt increasing to 30 kt. Patchy fog and drizzle in the morning Waves 5 to 8 ft occasionally to 10 ft.
TONIGHT
North winds to 30 kt gradually diminishing to 10 to 15 kt by morning. Partly cloudy. Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft late.
WEDNESDAY
North winds 10 to 15 kt. Sunny. Waves 3 to 5 ft subsiding to 2 to 4 ft.
WEDNESDAY NIGHT
North winds around 10 kt becoming northwest overnight. Mostly clear. Waves 1 to 3 ft. $$
