Hazardous marine condition(s):
Small Craft Advisory
Hazardous Weather Outlook
LMZ741>743-050430-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
232 PM CST Thu Dec 4 2025
SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING
TONIGHT
Nearly calm winds becoming southwest 15 to 20 kt
overnight, strongest well offshore. Partly cloudy. Waves 1 to 2
ft.
FRIDAY
Southwest winds 15 to 20 kt increasing to 20 to 25 kt in
the afternoon. Gradually increasing cloudiness. Waves 1 to 3 ft.
FRIDAY NIGHT
Southwest winds 15 to 25 kt becoming west 15 to
20 kt overnight. Chance of snow and freezing drizzle. Waves 1 to
3 ft.
SATURDAY
West winds 10 to 15 kt becoming northwest. Mostly
cloudy. Waves 1 to 2 ft.
$$