Au Sable Boat Ramp Conditions

Au Sable

Iosco County, Michigan

No live scoring yet for this ramp's water — check back soon.

Today's best launch window

No clear best window today — check the hour-by-hour breakdown in the app.

Coming up

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Next Green Window

See the best boating window across the next 7 days.

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Weekend Outlook

Know if this weekend will be worth launching before you make plans.

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Active Trip Monitoring

Get alerts if conditions worsen while you're on the water.

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Green weekend notifications
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About Au Sable

Au Sable is a public boat ramp on Au Sable River in Iosco County, Michigan, providing access to nearby waters. SeaStatus continuously monitors wind, waves, and tide near Au Sable to help boaters decide whether conditions are favorable for launching today, and to flag the best window to go out.