Northerly Island, Chicago, IL - LMZ742 - 10/17/2026 12:55 AM
Northerly Island to Calumet Harbor IL
SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
REST OF TONIGHT
North winds to 30 kt diminishing to 15 to 25 kt by sunrise. Isolated showers. Waves 8 to 12 ft occasionally to 16 ft subsiding to 6 to 9 ft occasionally to 12 ft.
SATURDAY
North winds 10 to 20 kt becoming southwest 10 to 15 kt in the afternoon. Mostly sunny. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
SATURDAY NIGHT
Southwest winds 10 to 15 kt. Clear. Waves 1 to 3 ft.
SUNDAY
Southwest winds 15 to 20 kt becoming south. Sunny. Waves 2 to 4 ft.