Sydenham River at Owen Sound

Water level and flow at gauge 02FB007, Ontario. The flow is below normal for October (54% of the median). In the last 24 hours it has been steady.

Water level
4.87m15.98ft
−0 cm−0.0 in in 24 h
Flow
0.63m³/s22.1cfs
-1% in 24 h
Status
Below normal
→ steady

Latest reading Oct 25, 9 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 93 years of monthly averages): 0.73 m³/s25.9 cfs – 1.93 m³/s68.2 cfs, median 1.16 m³/s41.0 cfs. Right now it is at 54% of the median.

Highest flow on record
59.5m³/s2,101cfs

April 19, 1975 · approved records 1959–2025 (HYDAT). Right now the flow is 1% of that record.

Compared with a year ago

61% lower than on October 25, 2025 (1.59 m³/s56.2 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

0.5 m³/s1.0 m³/s1.5 m³/s2.0 m³/s20 cfs40 cfs60 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

10 m³/s20 m³/s30 m³/s500 cfs1,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 88 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

Today

Sunny. Becoming a mix of sun and cloud this morning. Wind southwest 20 km/h becoming light this afternoon. High 17. UV index 3 or moderate.

Tonight

Increasing cloudiness early this evening. 30 percent chance of showers overnight. Low 8.

Monday

Cloudy. 30 percent chance of showers early in the morning. Wind north 20 km/h becoming light late in the morning. High 12. UV index 2 or low.

Monday night

Cloudy. Low minus 2.

Forecast for Owen Sound (5 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Bighead RiverStrathavon · 13 km7.15 m23.45 ftVery low
Sauble RiverAllenford · 20 km4.69 m15.37 ftBelow normal
Bighead RiverMeaford · 23 km10.30 m33.80 ftVery low
Sauble RiverSauble Falls · 31 km0.89 m2.90 ftNormal
Saugeen RiverPort Elgin · 32 km7.51 m24.65 ftBelow normal
Mill CreekRed Wing · 36 km5.80 m19.04 ftVery low

About this gauge

Station: 02FB007 · Sydenham River Near Owen Sound

Location: 44.5223, -80.9302 · Ontario

Same river: Alvinston, Florence, Strathroy, Wallaceburg

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Questions

What is the water level of the Sydenham River at Owen Sound today?

The latest reading (Oct 25, 9 AM, local standard time) is 4.87 m (15.98 ft) with a flow of 0.63 m³/s (22.1 cfs).

Is the Sydenham River at Owen Sound high right now?

The flow is below normal for October (54% of the median).

Is the Sydenham River rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the Sydenham River at Owen Sound?

59.5 m³/s (2,101 cfs) on April 19, 1975, the highest instantaneous flow in the approved records of the Water Survey of Canada (1959–2025). Events after 2025 are not yet in the approved archive.

How does the Sydenham River at Owen Sound compare with a year ago?

The flow is 61% lower than on October 25, 2025 (1.59 m³/s (56.2 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 02FB007 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.