Calumet Harbor IL to Gary IN Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 16kts around 2:00 AM, with waves reaching 0.6ft around 12:00 AM.

Sunday, October 11

6:08 AM CDT

Wind Now

7ktsSE

Gusts:9kts

Wind Now: 7 kts; gusts 9 kts. Use left and right arrows to inspect hours; Escape to reset.

Waves Now

0.4ftESE

Period2s

Waves Now: 0.4 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 5 to 10 kt becoming northeast late.

Southeast winds 10 to 15 kt becoming south overnight.

South winds 15 to 20 kt becoming southwest. Partly cloudy. Waves 1 to 3 ft.

Southwest winds 15 to 20 kt. Mostly clear.

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Interactive Mapbox map highlighting marine forecast zone LMZ743.