Sydenham River at Wallaceburg
Water level and flow at gauge 02GG008, Ontario. The level is normal for October. In the last 24 hours it has been steady.
Latest reading Oct 25, 2 PM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 44 years of monthly averages): 4.96 m16.28 ft – 5.48 m17.97 ft, median 5.26 m17.25 ft.
February 25, 1985 · approved records 1982–2025 (HYDAT). Right now the level is 1.45 m4.76 ft below that record.
0.16 m0.53 ft higher than on October 25, 2025 (5.01 m16.43 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 42 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 few clouds. Fog patches developing near midnight. Low 8.
Mainly sunny. Increasing cloudiness late in the morning. Fog patches dissipating in the morning. Wind becoming north 30 km/h in the afternoon. High 18. UV index 4 or moderate.
Mainly cloudy. Wind north 30 km/h becoming light in the evening. Low plus 4.
A mix of sun and cloud. High 16.
Forecast for Chatham-Kent (28 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Black CreekBradshaw · 21 km | 6.35 m20.84 ft | Normal |
| Bear CreekBelow Brigden · 25 km | 3.92 m12.84 ft | Normal |
| Thames RiverChatham · 26 km | 1.55 m5.08 ft | Normal |
| Sydenham RiverFlorence · 31 km | 3.06 m10.05 ft | Normal |
| McGregor CreekChatham · 33 km | 1.06 m3.46 ft | Below normal |
| Thames RiverThamesville · 34 km | 10.73 m35.20 ft | Below normal |
About this gauge
Station: 02GG008 · Sydenham River at Wallaceburg
Location: 42.5929, -82.3833 · Ontario
Same river: Owen Sound, Alvinston, Florence, Strathroy
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 Sydenham River at Wallaceburg today?
The latest reading (Oct 25, 2 PM, local standard time) is 5.17 m (16.97 ft).
Is the Sydenham River at Wallaceburg high right now?
The level is normal for October.
Is the Sydenham River rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Sydenham River at Wallaceburg?
6.62 m (21.72 ft) on February 25, 1985, the highest instantaneous level in the approved records of the Water Survey of Canada (1982–2025). Events after 2025 are not yet in the approved archive.
How does the Sydenham River at Wallaceburg compare with a year ago?
The level is 0.16 m (0.53 ft) higher than on October 25, 2025 (5.01 m (16.43 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02GG008 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.