Middle Thames River at Thamesford
Water level and flow at gauge 02GD004, Ontario. The flow is well below normal for October (19% of the median). In the last 24 hours it has been rising.
Latest reading Oct 25, 10 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 81 years of monthly averages): 0.57 m³/s20.1 cfs – 1.98 m³/s69.9 cfs, median 1.03 m³/s36.4 cfs. Right now it is at 19% of the median.
July 9, 2000 · approved records 1948–2025 (HYDAT). Right now the flow is 0% of that record.
78% lower than on October 25, 2025 (0.89 m³/s31.3 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 77 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. High 18. UV index 4 or moderate.
Partly cloudy. Fog patches developing overnight. Low 7.
A mix of sun and cloud. Fog patches dissipating in the morning. High 17. UV index 4 or moderate.
Clearing. Low plus 1.
Forecast for Woodstock (21 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Thames RiverIngersoll · 9 km | 1.24 m4.07 ft | Below normal |
| Reynolds CreekPutnam · 9 km | 8.58 m28.16 ft | No normal yet |
| North Thames RiverBelow Fanshawe Dam · 15 km | 6.20 m20.34 ft | Normal |
| Thames RiverEaling · 20 km | 0.41 m1.34 ft | Very low |
| Cedar CreekWoodstock · 21 km | 3.81 m12.51 ft | Normal |
| Stoney CreekLondon · 21 km | 7.04 m23.08 ft | Very low |
About this gauge
Station: 02GD004 · Middle Thames River at Thamesford
Location: 43.0591, -80.9949 · Ontario
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 Middle Thames River at Thamesford today?
The latest reading (Oct 25, 10 AM, local standard time) is 8.84 m (28.99 ft) with a flow of 0.20 m³/s (6.89 cfs).
Is the Middle Thames River at Thamesford high right now?
The flow is well below normal for October (19% of the median).
Is the Middle Thames River rising or falling?
In the last 24 hours it has been rising.
What is the highest flow ever recorded on the Middle Thames River at Thamesford?
198 m³/s (6,992 cfs) on July 9, 2000, the highest instantaneous flow in the approved records of the Water Survey of Canada (1948–2025). Events after 2025 are not yet in the approved archive.
How does the Middle Thames River at Thamesford compare with a year ago?
The flow is 78% lower than on October 25, 2025 (0.89 m³/s (31.3 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02GD004 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.