Grand River at Brantford
Water level and flow at gauge 02GB001, Ontario. The flow is below normal for October (73% of the median). In the last 24 hours it has been rising.
Latest reading Oct 25, 8 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 89 years of monthly averages): 19.9 m³/s703 cfs – 39.9 m³/s1,409 cfs, median 27.3 m³/s964 cfs. Right now it is at 73% of the median.
May 17, 1974 · approved records 1948–2025 (HYDAT). Right now the flow is 1% of that record.
12% higher than on October 25, 2025 (17.6 m³/s622 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 87 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. Fog patches dissipating this morning. High 18. UV index 4 or moderate.
A few clouds. Low 7.
A mix of sun and cloud. Becoming cloudy in the morning. High 17. UV index 3 or moderate.
Cloudy. Low plus 1.
Forecast for Brantford (2 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Fairchild CreekAbove Onondaga · 9 km | 6.81 m22.35 ft | No normal yet |
| Whitemans CreekMount Vernon · 9 km | 1.11 m3.64 ft | Below normal |
| Nith RiverCanning · 16 km | 3.17 m10.41 ft | Below normal |
| Big CreekKelvin · 22 km | 6.04 m19.82 ft | Normal |
| Horner CreekPrinceton · 24 km | 3.24 m10.63 ft | Very low |
| Spencer CreekHighway No. 5 · 24 km | 0.52 m1.71 ft | Very low |
About this gauge
Station: 02GB001 · Grand River at Brantford
Location: 43.1327, -80.2673 · Ontario
Same river: Galt, Marsville, Below Shand Dam, West Montrose, Dundalk, Doon
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 Grand River at Brantford today?
The latest reading (Oct 25, 8 AM, local standard time) is 0.24 m (0.80 ft) with a flow of 19.8 m³/s (699 cfs).
Is the Grand River at Brantford high right now?
The flow is below normal for October (73% of the median).
Is the Grand River rising or falling?
In the last 24 hours it has been rising.
What is the highest flow ever recorded on the Grand River at Brantford?
1,780 m³/s (62,860 cfs) on May 17, 1974, 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 Grand River at Brantford compare with a year ago?
The flow is 12% higher than on October 25, 2025 (17.6 m³/s (622 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02GB001 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.