Clyde River at Lanark
Water level and flow at gauge 02KF010, Ontario. The flow is above normal for October (197% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 7 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 54 years of monthly averages): 0.54 m³/s19.2 cfs – 2.17 m³/s76.5 cfs, median 1.18 m³/s41.5 cfs. Right now it is at 197% of the median.
April 2, 1998 · approved records 1971–2025 (HYDAT). Right now the flow is 1% of that record.
883% higher than on October 25, 2025 (0.24 m³/s8.33 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 54 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 this morning. High 17. Wind chill minus 8 this morning. UV index 3 or moderate.
Increasing cloudiness. 30 percent chance of showers before morning. Low 8.
Cloudy. 60 percent chance of showers in the morning. Clearing late in the afternoon. Wind becoming northwest 20 km/h late in the morning. High 13. UV index 2 or low.
Clear. Low minus 5.
Forecast for Smiths Falls (34 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Mississippi RiverFergusons Falls · 9 km | 3.03 m9.92 ft | Normal |
| Fall RiverOutlet of Bennett Lake · 11 km | 1.01 m3.32 ft | Normal |
| Mississippi RiverOutlet of Dalhousie Lake · 14 km | 6.23 m20.42 ft | Normal |
| Tay River In Perth02LA024 · 20 km | 7.24 m23.76 ft | Normal |
| Clyde RiverGordon Rapids · 20 km | 2.99 m9.80 ft | Above normal |
| Indian RiverBlakeney · 25 km | 8.56 m28.09 ft | Normal |
About this gauge
Station: 02KF010 · Clyde River Near Lanark
Location: 45.0458, -76.4009 · Ontario
Same river: Gordon Rapids
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 Clyde River at Lanark today?
The latest reading (Oct 25, 7 AM, local standard time) is 8.11 m (26.60 ft) with a flow of 2.32 m³/s (81.9 cfs).
Is the Clyde River at Lanark high right now?
The flow is above normal for October (197% of the median).
Is the Clyde River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Clyde River at Lanark?
174 m³/s (6,145 cfs) on April 2, 1998, the highest instantaneous flow in the approved records of the Water Survey of Canada (1971–2025). Events after 2025 are not yet in the approved archive.
How does the Clyde River at Lanark compare with a year ago?
The flow is 883% higher than on October 25, 2025 (0.24 m³/s (8.33 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02KF010 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.