Hazardous marine condition(s):
Small Craft Advisory
LMZ740>743-160415-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
352 PM CST Mon Dec 15 2025
SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT
TONIGHT
Southwest winds 15 to 20 kt early diminishing to 10 to
15 kt. Partly cloudy. Waves 1 to 3 ft.
TUESDAY
South winds 10 to 20 kt becoming southwest 20 to
25 kt. Partly cloudy. Waves 2 to 4 ft.
TUESDAY NIGHT
Southwest winds 20 to 25 kt becoming west 15 to
20 kt overnight. Mostly cloudy. Waves 3 to 5 ft subsiding to 2 to
4 ft.
WEDNESDAY
West winds 10 to 15 kt becoming southwest in the
afternoon. Partly cloudy. Waves 1 to 2 ft.
$$