Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
LMZ740>742-021545-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
308 AM CDT Sun Aug 2 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
North winds 20 to 25 kt increasing to 30 kt. Mostly
cloudy. Waves 5 to 8 ft occasionally to 10 ft.
TONIGHT
North winds to 30 kt becoming northeast and
diminishing to 10 to 15 kt overnight. Mostly clear. Waves 5 to
8 ft occasionally to 10 ft subsiding to 3 to 5 ft by morning.
MONDAY
East winds around 10 kt becoming northeast. Sunny.
Waves 3 to 5 ft subsiding to 1 to 3 ft.
MONDAY NIGHT
East winds around 10 kt becoming south
overnight. Clear. Waves 1 to 2 ft.
$$