Rideau River below Manotick
Water level and flow at gauge 02LA012, Ontario. The level is well above 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 5 years of monthly averages): 3.80 m12.47 ft – 3.86 m12.67 ft, median 3.82 m12.54 ft.
0.38 m1.24 ft higher than on October 25, 2025 (3.73 m12.22 ft)
approved daily mean (HYDAT)
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 5 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
Sunny. Wind becoming southwest 20 km/h late this morning. High 17. UV index 3 or moderate.
A few clouds. Increasing cloudiness late this evening then 30 percent chance of showers before morning. Low 9.
Cloudy. 60 percent chance of showers in the morning. Becoming a mix of sun and cloud in the afternoon. Wind becoming northwest 20 km/h in the morning. High 14. UV index 2 or low.
Clear. Low minus 2.
Forecast for Ottawa (Kanata - Orléans) (17 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Jock RiverRichmond · 7 km | 6.34 m20.80 ft | Above normal |
| Graham CreekNepean · 13 km | 0.83 m2.71 ft | Normal |
| Rideau RiverOttawa · 15 km | 3.07 m10.08 ft | Very high |
| Ottawa RiverBritannia · 15 km | 57.82 m189.71 ft | Normal |
| Outaouais A Hull02LA015 · 20 km | 41.27 m135.38 ft | Below normal |
| Rideau RiverAbove Rideau Falls · 21 km | 4.97 m16.29 ft | Very high |
About this gauge
Station: 02LA012 · Rideau River Below Manotick
Location: 45.2490, -75.7041 · Ontario
Same river: Ottawa, Below Merrickville, Above Rideau Falls
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Rideau River below Manotick today?
The latest reading (Oct 25, 8 AM, local standard time) is 4.10 m (13.46 ft).
Is the Rideau River below Manotick high right now?
The level is well above normal for October.
Is the Rideau River rising or falling?
In the last 24 hours it has been steady.
How does the Rideau River below Manotick compare with a year ago?
The level is 0.38 m (1.24 ft) higher than on October 25, 2025 (3.73 m (12.22 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02LA012 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.