Rivers in Michigan

Au Sable River near Au Sable

Iosco County, MichiganNWS ASBM4USGS 04137500Gaylord office

No flood stages set
8.69ftStage

Observed Tue, Sep 22, 1:30 AM EDT

Record crest
18.35 ft2026

Open the live map with the river flood outlook

Crest history

43 crests on NOAA’s list since 1988.

#DateStage
1April 13, 202618.35 ft
2March 28, 199116.27 ft
3March 29, 198916.02 ft
4April 1, 199815.76 ft
5July 4, 199415.43 ft
6April 7, 199715.31 ft
7May 19, 202015.25 ft
8October 25, 201714.96 ft
9April 15, 201414.95 ft
10April 19, 201314.81 ft
11April 18, 199214.12 ft
12April 2, 201613.96 ft
13April 28, 201113.65 ft
14May 24, 200413.60 ft
15April 12, 200813.46 ft
16March 14, 199013.10 ft
17January 12, 198813.00 ft
18October 24, 199212.99 ft
19April 19, 201912.96 ft
20November 1, 199412.92 ft
21April 1, 202212.92 ft
22April 13, 200112.78 ft
23June 5, 200712.78 ft
24March 10, 200212.75 ft
25March 14, 200612.74 ft

Most recent crests

  • April 13, 2026: 18.35 ft
  • February 17, 2023: 9.43 ft
  • April 1, 2022: 12.92 ft
  • December 12, 2021: 10.81 ft
  • September 8, 2021: 10.85 ft
  • May 19, 2020: 15.25 ft
  • April 19, 2019: 12.96 ft
  • October 25, 2017: 14.96 ft
  • April 17, 2017: 12.73 ft
  • April 2, 2016: 13.96 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.