Thunder Bay River near Bolton
Critical Stages
Action
Flood
Moderate
Major
Latest Observation
Updated: 5:30 PM EST 12/16/25
Status: Not Defined
Stage: 17.64 ft
Flow: 3.23 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:30 PM 12/16 | 17.64 | 3.23 |
| 5:15 PM 12/16 | 12.77 | 0.72 |
| 5:00 PM 12/16 | 11.8 | 0.372 |
| 4:45 PM 12/16 | 11.8 | 0.372 |
| 4:30 PM 12/16 | 11.8 | 0.372 |
| 4:15 PM 12/16 | 11.81 | 0.376 |
| 4:00 PM 12/16 | 11.82 | 0.379 |
| 3:45 PM 12/16 | 11.84 | 0.386 |
| 3:30 PM 12/16 | 11.84 | 0.386 |
| 3:15 PM 12/16 | 11.77 | 0.361 |
| 3:00 PM 12/16 | 11.77 | 0.361 |
| 2:45 PM 12/16 | 11.77 | 0.361 |
| 2:30 PM 12/16 | 11.76 | 0.357 |
| 2:15 PM 12/16 | 11.76 | 0.357 |
| 2:00 PM 12/16 | 11.75 | 0.354 |
| 1:45 PM 12/16 | 11.75 | 0.354 |
| 12:30 PM 12/16 | 11.74 | 0.35 |
| 12:15 PM 12/16 | 11.73 | 0.346 |
| 12:00 PM 12/16 | 11.73 | 0.346 |
| 11:45 AM 12/16 | 11.73 | 0.346 |
| 11:30 AM 12/16 | 11.73 | 0.346 |
| 11:15 AM 12/16 | 11.72 | 0.343 |
| 11:00 AM 12/16 | 11.72 | 0.343 |
| 10:45 AM 12/16 | 11.72 | 0.343 |
| 10:30 AM 12/16 | 11.73 | 0.346 |
| 10:15 AM 12/16 | 11.73 | 0.346 |
| 10:00 AM 12/16 | 11.72 | 0.343 |
| 9:45 AM 12/16 | 11.72 | 0.343 |
| 9:30 AM 12/16 | 11.72 | 0.343 |
| 9:15 AM 12/16 | 11.72 | 0.343 |
No flood impact data available for this location.
| Date | Stage (ft) |
|---|---|
| Oct 26, 2017 | 18.24 |
| Apr 2, 2016 | 17.99 |
| Mar 25, 2022 | 17.89 |
| Apr 26, 2018 | 17.72 |
| Apr 29, 2011 | 17.69 |
| Apr 2, 2025 | 17.19 |
| Apr 16, 2014 | 17.18 |
| Apr 20, 2013 | 17.12 |
| Dec 28, 2022 | 16.82 |
| Apr 7, 2023 | 16.8 |
| Mar 14, 2006 | 16.77 |
| May 26, 2004 | 16.31 |
| Apr 13, 2008 | 16.23 |
| Apr 5, 2009 | 16.22 |
| Mar 15, 2012 | 16.14 |
| Apr 18, 2017 | 16.13 |
| Jan 1, 2020 | 16.13 |
| May 2, 2020 | 16.12 |
| Apr 20, 2019 | 16.09 |
| Feb 23, 2018 | 16 |
Data provided by the National Weather Service.
