Black River To Ontonagon MI Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 29kts around 12:00 AM, with waves reaching 4.2ft around 1:00 AM.

Sunday, October 11

6:07 AM CDT

Wind Now

17ktsSSW

Gusts:27kts

Wind Now: 17 kts; gusts 27 kts. Use left and right arrows to inspect hours; Escape to reset.

Hourly wind speed and gust forecastSustained wind is shown in cyan and gusts in blue-gray. Dashed lines show past conditions. Direction arrows show where the wind is traveling.01020304012AM6AM12PM6PM

Waves Now

3.6ftSW

Period3s

Waves Now: 3.6 ft; period 3 seconds. Use left and right arrows to inspect hours; Escape to reset.

Hourly wave height and period forecastWave height is shown in blue. The dashed line shows past conditions. Direction arrows show where the waves are traveling.024612AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 5:00am EDT Oct 11, 2026

Small Craft Advisory In Effect Until 11 Am Edt /10 Am Cdt/ This Morning

Early This Morning

South wind 15 to 20 knots with gusts up to 29 knots. Clear. Waves 2 to 3 feet.

Today

South wind 10 to 15 knots with gusts up to 25 knots veering southwest 5 to 15 knots with gusts up to 25 knots by late morning, then becoming variable late. Mostly sunny. Waves subsiding to 1 to 2 feet.

Tonight

Northeast wind 15 to 25 knots. Cloudy. Waves building to 5 to 8 feet occasionally to 10 feet.

Monday

Northeast wind 15 to 25 knots. Cloudy with a slight chance of showers. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet.

Monday Night

Northeast wind 10 to 20 knots with gusts up to 29 knots. Showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

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Interactive Mapbox map highlighting marine forecast zone LSZ241.