5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 22kts around 12:00 AM, with waves reaching 1.8ft around 12:00 AM.

Sunday, October 11

7:10 AM EDT

Wind forecast

8ktsS

Gusts:15kts

Wind forecast: 8 kts; gusts 15 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.010203012AM6AM12PM6PM

Waves Now

1.4ftSSE

Period2s

Waves Now: 1.4 ft; period 2 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.00.511.522.512AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 2:44am EDT Oct 11, 2026

Small Craft Advisory In Effect Until 6 Am Edt Early This Morning

Today

South wind 10 to 15 knots. Mostly sunny early in the morning then becoming sunny. Waves 2 to 3 feet.

Tonight

Southwest wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less.

Monday

East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

Monday Night

East wind 10 to 15 knots. Chance of showers.

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Interactive Mapbox map highlighting marine forecast zone LHZ347.