Au Sable River near Red Oak
Observed Thu, Sep 24, 3:00 PM EDT
- Flood stage
- 7.00 ft
- Forecast crest
- 3.10 ftThu, Sep 24, 8:00 PM EDT
- Record crest
- 8.88 ft2026
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 9.00 ft |
| Moderate flood | 8.00 ft |
| Minor flood | 7.00 ft |
| Action | 6.00 ft |
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
39 crests on NOAA’s list since 1996.
| # | Date | Stage |
|---|---|---|
| 1 | April 14, 2026 | 8.88 ft |
| 2 | April 15, 2014 | 6.88 ft |
| 3 | October 24, 2017 | 6.69 ft |
| 4 | April 1, 1998 | 6.66 ft |
| 5 | April 7, 1997 | 6.39 ft |
| 6 | April 1, 2016 | 6.18 ft |
| 7 | February 11, 2021 | 6.06 ft |
| 8 | April 19, 2013 | 5.99 ft |
| 9 | December 27, 2008 | 5.95 ft |
| 10 | April 1, 2025 | 5.92 ft |
| 11 | January 17, 2022 | 5.79 ft |
| 12 | January 22, 2008 | 5.79 ft |
| 13 | June 13, 2008 | 5.71 ft |
| 14 | March 31, 2022 | 5.69 ft |
| 15 | April 28, 2011 | 5.66 ft |
| 16 | April 12, 2001 | 5.60 ft |
| 17 | April 16, 2017 | 5.57 ft |
| 18 | April 19, 2019 | 5.46 ft |
| 19 | May 19, 2020 | 5.43 ft |
| 20 | April 6, 2023 | 5.42 ft |
| 21 | April 12, 2008 | 5.34 ft |
| 22 | May 24, 2004 | 5.25 ft |
| 23 | June 5, 2007 | 5.23 ft |
| 24 | April 4, 2006 | 5.00 ft |
| 25 | November 25, 2014 | 4.91 ft |
Most recent crests
- April 14, 2026: 8.88 ft
- April 1, 2025: 5.92 ft
- March 5, 2024: 4.38 ft
- April 6, 2023: 5.42 ft
- March 31, 2022: 5.69 ft
- January 17, 2022: 5.79 ft
- December 17, 2021: 4.26 ft
- February 11, 2021: 6.06 ft
- October 24, 2020: 4.18 ft
- May 19, 2020: 5.43 ft
Nearby
Upstream, downstream and the gauges around this one.
- DownstreamAu Sable River at Mio (Mio Dam)
- North Branch Au Sable River at Kellogg's Bridge near Lovells
- South Branch Au Sable River at Luzerne
- Au Sable River at McKinley
- Au Sable River at Curtisville (Alcona Dam)
- Manistee River at Grayling
- Pigeon River (N Lower MI) at Vanderbilt
- Rifle River at Sterling
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. 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.