Rivers in Michigan

Au Sable River at Mio (Mio Dam)

Oscoda County, MichiganNWS MIOM4USGS 04136500Gaylord office

No flood stages set
3.10ftStage

Observed Tue, Sep 22, 4:00 AM EDT

Record crest
8.32 ft2026

Open the live map with the river flood outlook

Crest history

74 crests on NOAA’s list since 1953.

#DateStage
1April 14, 20268.32 ft
2April 1, 19986.37 ft
3October 24, 20176.33 ft
4March 21, 19956.20 ft
5September 30, 19866.16 ft
6March 28, 19766.14 ft
7April 14, 20146.14 ft
8April 15, 19916.12 ft
9April 13, 19716.00 ft
10March 30, 19895.95 ft
11April 7, 19975.85 ft
12April 22, 19925.79 ft
13April 1, 20165.69 ft
14April 19, 20135.59 ft
15July 7, 19945.54 ft
16October 3, 19615.52 ft
17April 12, 19655.48 ft
18March 22, 20075.43 ft
19July 21, 20215.40 ft
20March 16, 19905.40 ft
21April 18, 19605.38 ft
22April 12, 20015.37 ft
23September 1, 19755.35 ft
24May 8, 19835.32 ft
25December 30, 19845.29 ft

Most recent crests

  • April 14, 2026: 8.32 ft
  • April 5, 2023: 5.23 ft
  • March 31, 2022: 5.25 ft
  • December 16, 2021: 4.05 ft
  • July 21, 2021: 5.40 ft
  • May 19, 2020: 5.03 ft
  • April 30, 2020: 5.11 ft
  • April 19, 2019: 5.03 ft
  • October 24, 2017: 6.33 ft
  • April 6, 2017: 5.14 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Flood stages have not been defined for this location. Stage may be affected by ice during winter months.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.