Hazardous marine condition(s):
Small Craft Advisory
LMZ740>742-300915-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
955 PM CDT Mon Jun 29 2026
SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING
REST OF TONIGHT
South winds 15 to 20 kt becoming southwest.
Mostly clear. Waves 1 to 3 ft.
TUESDAY
Southwest winds 15 to 20 kt increasing to 20 to 25 kt
in the afternoon. Mostly sunny. Waves 1 to 3 ft.
TUESDAY NIGHT
Southwest winds 15 to 25 kt diminishing to 10 to
15 kt. Clear. Waves 1 to 3 ft.
WEDNESDAY
Southwest winds 10 to 15 kt increasing to 15 to
20 kt. Sunny. Waves 1 to 2 ft.
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