Big Creek at Kelvin
Water level and flow at gauge 02GC011, Ontario. The flow is normal for October (170% of the median). In the last 24 hours it has been rising.
Latest reading Oct 25, 1 PM 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 35 years of monthly averages): 0.17 m³/s6.06 cfs – 0.84 m³/s29.8 cfs, median 0.31 m³/s11.1 cfs. Right now it is at 170% of the median.
January 31, 1969 · approved records 1964–2025 (HYDAT). Right now the flow is 1% of that record.
1061% higher than on October 25, 2025 (0.05 m³/s1.62 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 34 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 18. UV index 4 or moderate.
Cloudy periods. Low plus 2.
Forecast for Simcoe (5 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Big Otter CreekAbove Otterville · 8 km | 3.86 m12.66 ft | Below normal |
| Whitemans CreekMount Vernon · 16 km | 1.11 m3.64 ft | Below normal |
| Big CreekDelhi · 17 km | 4.92 m16.14 ft | Normal |
| Grand RiverBrantford · 22 km | 0.24 m0.80 ft | Below normal |
| Lynn RiverSimcoe · 22 km | 1.23 m4.03 ft | Normal |
| Nith RiverCanning · 23 km | 3.17 m10.40 ft | Below normal |
About this gauge
Station: 02GC011 · Big Creek Near Kelvin
Location: 42.9868, -80.4447 · Ontario
Same river: Delhi, Walsingham
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 Big Creek at Kelvin today?
The latest reading (Oct 25, 1 PM, local standard time) is 6.04 m (19.81 ft) with a flow of 0.53 m³/s (18.9 cfs).
Is the Big Creek at Kelvin high right now?
The flow is normal for October (170% of the median).
Is the Big Creek rising or falling?
In the last 24 hours it has been rising.
What is the highest flow ever recorded on the Big Creek at Kelvin?
62.0 m³/s (2,190 cfs) on January 31, 1969, the highest instantaneous flow in the approved records of the Water Survey of Canada (1964–2025). Events after 2025 are not yet in the approved archive.
How does the Big Creek at Kelvin compare with a year ago?
The flow is 1061% higher than on October 25, 2025 (0.05 m³/s (1.62 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02GC011 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.