Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 32kts around 12:00 AM, with waves reaching 6.2ft around 12:00 AM.

Sunday, October 11

6:10 AM CDT

Wind Now

18ktsS

Gusts:24kts

Wind Now: 18 kts; gusts 24 kts. Use left and right arrows to inspect hours; Escape to reset.

Waves Now

5.0ftS

Period4s

Waves Now: 5.0 ft; period 4 seconds. Use left and right arrows to inspect hours; Escape to reset.

NOAA marine forecast

Updated 2:33am CDT Oct 11, 2026

South winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft.

South winds 15 to 25 kt becoming southwest 10 to 20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.

South winds 10 to 20 kt becoming southeast 15 to 25 kt.

Southeast winds 15 to 25 kt becoming northeast 10 to 20 kt. Chance of showers in the evening, then showers overnight. Waves 3 to 5 ft.

Northeast winds 10 to 20 kt becoming north 15 to 25 kt. Chance of showers. Waves 4 to 6 ft occasionally to 8 ft.

North winds 15 to 25 kt diminishing to 10 to 15 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.

North winds 10 to 15 kt increasing to 10 to 20 kt.

East winds 10 to 20 kt becoming southeast 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft.

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Interactive Mapbox map highlighting marine forecast zone LMZ563.