Hazardous marine condition(s):
Small Craft Advisory
Gale Warning
Hazardous Weather Outlook
LMZ740>743-140430-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
551 PM CST Tue Jan 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST WEDNESDAY
GALE WARNING IN EFFECT FROM 3 AM CST WEDNESDAY THROUGH
WEDNESDAY EVENING
TONIGHT
West winds 20 to 25 kt becoming northwest gales to 35
kt overnight. Chance of snow and slight chance of rain after
midnight. Waves 2 to 4 ft building to 3 to 5 ft.
WEDNESDAY
Northwest gales to 35 kt. Freezing spray. Snow
showers, mainly in the morning. Waves 8 to 11 ft occasionally to
14 ft.
WEDNESDAY NIGHT
Northwest gales to 35 kt diminishing to 30 kt.
Freezing spray. A few snow showers. Waves 8 to 11 ft occasionally
to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft.
THURSDAY
Northwest winds 15 to 25 kt becoming southwest 10 to
20 kt in the afternoon. Freezing spray in the morning. Waves 5 to
8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
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