Hazardous marine condition(s):
Gale Watch
Small Craft Advisory
Hazardous Weather Outlook
LMZ740-741-252115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
957 AM CDT Wed Mar 25 2026
SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING
GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY
MORNING
REST OF TODAY
South winds 15 to 20 kt increasing to 20 to
25 kt in the afternoon. Mostly cloudy late in the morning, then
becoming partly cloudy. Waves 2 to 4 ft.
TONIGHT
South winds 15 to 25 kt becoming southwest. Slight
chance of showers and thunderstorms. Waves subsiding to 2 to 4
ft.
THURSDAY
Southwest winds 10 to 20 kt shifting to north and
quickly increasing to gales to 35 kt late in the afternoon.
Showers likely and a chance of thunderstorms in the afternoon.
Waves 1 to 2 ft quickly building to 3 to 6 ft occasionally to 8 ft
late.
THURSDAY NIGHT
North gales to 35 kt. Chance of showers in the
evening. Waves 8 to 12 ft occasionally to 16 ft.
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