Hazardous marine condition(s):
Small Craft Advisory
Hazardous Weather Outlook
LMZ740>742-010915-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
905 PM CDT Tue Mar 31 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
North winds 20 to 25 kt. Mostly cloudy. Waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
WEDNESDAY
Northeast winds 20 to 25 kt. Slight chance of
showers in the morning, then chance of showers in the afternoon.
Waves 4 to 7 ft occasionally to 9 ft.
WEDNESDAY NIGHT
East winds 20 to 25 kt becoming southeast
overnight. Rain showers and slight chance of thunderstorms in the
evening, then showers and a chance of thunderstorms overnight.
Waves 4 to 7 ft occasionally to 9 ft.
THURSDAY
Southeast winds 20 to 25 kt becoming south to 30 kt
in the afternoon. Chance of showers and thunderstorms. Waves 4 to
6 ft occasionally to 8 ft.
$$