Au Sable River near Curtisville (Alcona Dam)
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 6:15 AM EST 12/17/25
Status: Not Defined
Stage: 8.13 ft
Flow: 1.06 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 6:15 AM 12/17 | 8.13 | 1.06 |
| 6:00 AM 12/17 | 8.14 | 1.07 |
| 5:45 AM 12/17 | 8.14 | 1.07 |
| 5:30 AM 12/17 | 8.14 | 1.07 |
| 5:15 AM 12/17 | 8.14 | 1.07 |
| 5:00 AM 12/17 | 8.15 | 1.07 |
| 4:45 AM 12/17 | 8.16 | 1.08 |
| 4:30 AM 12/17 | 8.15 | 1.07 |
| 4:15 AM 12/17 | 8.16 | 1.08 |
| 4:00 AM 12/17 | 8.16 | 1.08 |
| 3:45 AM 12/17 | 8.16 | 1.08 |
| 3:30 AM 12/17 | 8.17 | 1.08 |
| 3:15 AM 12/17 | 8.18 | 1.09 |
| 3:00 AM 12/17 | 8.18 | 1.09 |
| 2:45 AM 12/17 | 8.18 | 1.09 |
| 2:30 AM 12/17 | 8.18 | 1.09 |
| 2:15 AM 12/17 | 8.19 | 1.09 |
| 2:00 AM 12/17 | 8.19 | 1.09 |
| 1:45 AM 12/17 | 8.19 | 1.09 |
| 1:30 AM 12/17 | 8.2 | 1.1 |
| 1:15 AM 12/17 | 8.19 | 1.09 |
| 1:00 AM 12/17 | 8.21 | 1.1 |
| 12:45 AM 12/17 | 8.22 | 1.11 |
| 12:30 AM 12/17 | 8.24 | 1.12 |
| 12:15 AM 12/17 | 8.23 | 1.11 |
| 12:00 AM 12/17 | 8.22 | 1.11 |
| 11:45 PM 12/16 | 8.23 | 1.11 |
| 11:30 PM 12/16 | 8.23 | 1.11 |
| 11:15 PM 12/16 | 8.24 | 1.12 |
| 11:00 PM 12/16 | 8.24 | 1.12 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Apr 1, 1998 | 13.56 |
| Oct 24, 2017 | 13.54 |
| Apr 1, 2016 | 13.51 |
| Apr 15, 2014 | 13.46 |
| Apr 7, 1997 | 12.73 |
| Apr 19, 2013 | 12.61 |
| Apr 6, 2023 | 11.98 |
| May 24, 2004 | 11.96 |
| Apr 28, 2011 | 11.89 |
| Apr 16, 2017 | 11.81 |
| Apr 12, 2001 | 11.78 |
| Apr 1, 2022 | 11.69 |
| Apr 30, 2020 | 11.63 |
| May 19, 2020 | 11.62 |
| Jul 18, 2006 | 11.56 |
| Jun 5, 2007 | 11.55 |
| Apr 4, 2009 | 11.5 |
| Jun 14, 2008 | 11.5 |
| Apr 19, 2019 | 11.4 |
| Apr 9, 2008 | 11.26 |
Data provided by the National Weather Service.
