Hazardous marine condition(s):
Hazardous Weather Outlook
LMZ740-162230-
Winthrop Harbor to Wilmette Harbor IL-
947 AM CDT Thu Apr 16 2026
REST OF TODAY
Variable winds less than 10 kt becoming
northeast 10 to 15 kt in the afternoon. Patchy fog. A chance of
showers and slight chance of thunderstorms. Waves 1 to 2 ft.
TONIGHT
Northeast winds around 10 kt becoming southeast
overnight. Areas of fog. Waves 1 to 2 ft.
FRIDAY
Southeast winds 10 to 20 kt increasing to 15 to 25 kt.
Areas of fog in the morning. Waves 1 to 2 ft building to 2 to 4
ft.
FRIDAY NIGHT
South winds 15 to 25 kt becoming southwest
overnight. Showers with thunderstorms likely in the evening, then
showers and slight chance of thunderstorms overnight. Waves 2 to
4 ft.
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