Hazardous marine condition(s):
Hazardous Weather Outlook
Small Craft Advisory
LMZ740>743-301615-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
353 AM CST Fri Jan 30 2026
SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH
SATURDAY EVENING
TODAY
Northwest winds 10 to 20 kt becoming northeast 20 to 25
kt in the afternoon. Snow showers. Waves 1 to 3 ft building to 3
to 5 ft.
TONIGHT
North winds to 30 kt becoming northwest. A few gale
force gusts to 35 kt late evening and overnight. Snow showers in
the evening, then scattered snow showers overnight. Waves 4 to 6
ft occasionally to 8 ft.
SATURDAY
North winds 20 to 25 kt diminishing to 10 to 20 kt.
Snow showers in the morning, then scattered snow showers in the
afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 7 ft occasionally to 9 ft.
SATURDAY NIGHT
Northwest winds 10 to 15 kt becoming west
overnight. Partly cloudy. Waves 3 to 6 ft subsiding to 2 to 4 ft.
Wave heights are for ice free areas.
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