Au Sable River near Curtisville (Alcona Dam)
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 3:15 PM EST 12/16/25
Status: Not Defined
Stage: 8.14 ft
Flow: 1.07 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:15 PM 12/16 | 8.18 | 1.09 |
| 4:00 PM 12/16 | 8.17 | 1.08 |
| 3:45 PM 12/16 | 8.16 | 1.08 |
| 3:30 PM 12/16 | 8.15 | 1.07 |
| 3:15 PM 12/16 | 8.14 | 1.07 |
| 3:00 PM 12/16 | 8.13 | 1.06 |
| 2:45 PM 12/16 | 8.13 | 1.06 |
| 2:30 PM 12/16 | 8.11 | 1.05 |
| 2:15 PM 12/16 | 8.1 | 1.05 |
| 2:00 PM 12/16 | 8.08 | 1.04 |
| 1:45 PM 12/16 | 8.09 | 1.04 |
| 1:30 PM 12/16 | 8.07 | 1.03 |
| 12:15 PM 12/16 | 8.03 | 1.01 |
| 12:00 PM 12/16 | 8.03 | 1.01 |
| 11:45 AM 12/16 | 8.04 | 1.02 |
| 11:30 AM 12/16 | 8.04 | 1.02 |
| 11:15 AM 12/16 | 8.03 | 1.01 |
| 11:00 AM 12/16 | 8.03 | 1.01 |
| 10:45 AM 12/16 | 8.03 | 1.01 |
| 10:30 AM 12/16 | 8.02 | 1.01 |
| 10:15 AM 12/16 | 8.01 | 1 |
| 10:00 AM 12/16 | 8.02 | 1.01 |
| 9:45 AM 12/16 | 8.01 | 1 |
| 9:30 AM 12/16 | 8.01 | 1 |
| 9:15 AM 12/16 | 8.01 | 1 |
| 9:00 AM 12/16 | 8 | 0.998 |
| 8:45 AM 12/16 | 8.01 | 1 |
| 8:30 AM 12/16 | 8 | 0.998 |
| 8:15 AM 12/16 | 8 | 0.998 |
| 8:00 AM 12/16 | 8 | 0.998 |
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.
