Hazardous marine condition(s):
Small Craft Advisory
Hazardous Weather Outlook
LMZ740>742-171515-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
325 AM CDT Sat May 17 2025
SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
West winds to 30 kt. Occasional gale gusts to 35 kt.
Mostly cloudy. Waves 2 to 4 ft.
TONIGHT
West winds 20 to 25 kt diminishing to 10 to 20 kt.
Mostly cloudy in the evening, then becoming partly cloudy. Waves
subsiding to 1 to 3 ft.
SUNDAY
North winds 10 to 15 kt becoming northeast in the
afternoon. Partly cloudy. Waves 1 to 3 ft.
SUNDAY NIGHT
Northeast winds 15 to 20 kt. Mostly clear in the
evening, then becoming mostly cloudy. Waves building to 3 to 5 ft.
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