Winthrop Harbor to Wilmette Harbor IL Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 19kts around 12:00 AM, with waves reaching 1.5ft around 12:00 AM.

Sunday, October 11

7:08 AM CDT

Wind Now

6ktsSSE

Gusts:9kts

Wind Now: 6 kts; gusts 9 kts. Use left and right arrows to inspect hours; Escape to reset.

Waves Now

0.8ftESE

Period2s

Waves Now: 0.8 ft; period 2 seconds. Use left and right arrows to inspect hours; Escape to reset.

NOAA marine forecast

Updated 3:10am CDT Oct 11, 2026

Southeast winds 10 to 15 kt diminishing to 5 to 10 kt.

South winds 10 to 15 kt becoming southwest overnight.

Southwest winds 15 to 20 kt. Partly cloudy. Waves 1 to 3 ft.

Southwest winds 15 to 20 kt. Slight chance of showers and thunderstorms. Waves 1 to 3 ft.

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Interactive Mapbox map highlighting marine forecast zone LMZ740.