Ottawa River at Thorne
Water level and flow at gauge 02JE032, Ontario. The level is well below normal for October. In the last 24 hours it has been steady.
Latest reading Oct 25, 8 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 7 years of monthly averages): 9.60 m31.51 ft – 9.66 m31.68 ft, median 9.62 m31.55 ft.
July 25, 2018 · approved records 2018–2018 (HYDAT). Right now the level is 0.38 m1.26 ft below that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily water level
Normal range: monthly averages of 7 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Weather near this gauge
A mix of sun and cloud. Becoming cloudy this afternoon. Fog patches dissipating this morning. Wind southwest 20 km/h gusting to 40. High 16. UV index 3 or moderate.
Mainly cloudy with 40 percent chance of showers. Clearing before morning. Wind west 20 km/h becoming light late this evening. Low plus 5.
A mix of sun and cloud. Wind north 20 km/h becoming light late in the morning. High 9. UV index 3 or moderate.
Clear. Low minus 7.
Forecast for North Bay (51 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Temiscamingue A Temiscaming02JE025 · 2 km | 4.99 m16.36 ft | Very low |
| Mattawa RiverBelow Bouillon Lake · 47 km | 8.86 m29.08 ft | Normal |
| Chippewa CreekNorth Bay · 51 km | 13.19 m43.28 ft | Very low |
| Ottawa RiverMattawa · 52 km | 52.30 m171.60 ft | Normal |
| Lake NipissingNorth Bay · 52 km | 5.59 m18.33 ft | Normal |
| Little Sturgeon RiverBelow Booth Lake · 53 km | 2.44 m8.00 ft | Very low |
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Ottawa River at Thorne today?
The latest reading (Oct 25, 8 AM, local standard time) is 9.55 m (31.32 ft).
Is the Ottawa River at Thorne high right now?
The level is well below normal for October.
Is the Ottawa River rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Ottawa River at Thorne?
9.93 m (32.58 ft) on July 25, 2018, the highest instantaneous level in the approved records of the Water Survey of Canada (2018–2018). Events after 2018 are not yet in the approved archive.
Where does this data come from?
Gauge 02JE032 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.