Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
LMZ740>743-152230-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
227 AM CST Sat Nov 15 2025
SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH
SUNDAY AFTERNOON
TODAY
Southwest winds 15 to 25 kt becoming northwest 20 to 25
kt. Mostly cloudy in the morning, then becoming partly cloudy.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
TONIGHT
Northwest winds 20 to 25 kt increasing to 30 kt with
occasional gales to 35 kt possible. Partly cloudy in the
evening then clearing. Waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft.
SUNDAY
Northwest winds 20 to 25 kt diminishing to 15 to 20 kt.
Sunny. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft.
SUNDAY NIGHT
Northwest winds 15 to 20 kt diminishing to 10 to
15 kt. Clear. Waves 2 to 4 ft.
$$