Northerly Island, Chicago, IL - LMZ742 - 5/15/2025 9:26 AM
Northerly Island to Calumet Harbor IL
SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING
REST OF TODAY
Southeast winds 5 to 15 kt becoming south 20 to 25 kt this afternoon. Patchy fog late in the morning. Isolated showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Waves 1 to 3 ft.
TONIGHT
Southwest winds 20 to 25 kt diminishing to 10 to 15 kt. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe. Waves 1 to 3 ft.
FRIDAY
South winds 15 to 25 kt increasing to 35 kt gales. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft.
FRIDAY NIGHT
Southwest gales to 35 kt becoming west and diminishing to 15 to 20 kt overnight. Chance of showers and thunderstorms in the evening. Waves 2 to 4 ft subsiding to 1 to 3 ft.