Hazardous marine condition(s):
Small Craft Advisory
LMZ740>742-041630-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
256 AM CST Wed Nov 4 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
TODAY
South winds to 30 kt easing to 20 to 25 kt early this
morning, then becoming southwest by midday. Showers this morning,
then a slight chance of showers in the afternoon. Waves 3 to 5 ft
subsiding to 2 to 4 ft.
TONIGHT
Southwest winds 20 to 25 kt. Mostly cloudy. Waves 2 to
4 ft.
THURSDAY
Southwest winds 20 to 25 kt becoming west 15 to
20 kt in the afternoon. Slight chance of showers in the morning,
then chance of showers in the afternoon. Waves 2 to 4 ft.
THURSDAY NIGHT
Northwest winds 15 to 25 kt becoming north at 20
to 25 kt. Showers likely in the evening, then chance of showers
overnight. Waves 2 to 4 ft occasionally to 8 ft building to 6 to
9 ft occasionally to 12 ft.
$$