Root River at Sault Ste. Marie
Water level and flow at gauge 02CA002, Ontario. The flow is well below normal for October (2% of the median). In the last 24 hours it has been steady.
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 55 years of monthly averages): 1.13 m³/s40.1 cfs – 3.31 m³/s117 cfs, median 2.50 m³/s88.3 cfs. Right now it is at 2% of the median.
April 22, 1992 · approved records 1971–2025 (HYDAT). Right now the flow is 0% of that record.
91% lower than on October 25, 2025 (0.70 m³/s24.7 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 54 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
Cloudy. 30 percent chance of showers near noon. A few showers beginning near noon and ending this afternoon. Wind northwest 30 km/h. High 13. UV index 2 or low.
A few clouds. Increasing cloudiness after midnight. Wind becoming northwest 30 km/h gusting to 50 this evening. Low plus 4.
Clearing in the morning. Wind north 20 km/h becoming light in the morning. Wind becoming northwest 30 in the afternoon. High 8. UV index 3 or moderate.
Clear. Low minus 4.
Forecast for Sault Ste. Marie (6 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| St. Marys RiverGarden River · 12 km | 24.02 m78.80 ft | Normal |
| Big Carp RiverSault Ste. Marie · 15 km | 2.48 m8.13 ft | Very low |
| Goulais RiverKirby'S Corner · 17 km | 2.89 m9.47 ft | Very low |
| Goulais RiverSearchmont · 41 km | 7.29 m23.93 ft | Very low |
| Thessalon RiverPoplar Dale · 44 km | 1.82 m5.98 ft | Below normal |
| Batchawana RiverBatchawana · 52 km | 2.12 m6.95 ft | Very low |
About this gauge
Station: 02CA002 · Root River at Sault Ste. Marie
Location: 46.5629, -84.2817 · 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 Root River at Sault Ste. Marie today?
The latest reading (Oct 25, 10 AM, local standard time) is 11.55 m (37.91 ft) with a flow of 0.06 m³/s (2.19 cfs).
Is the Root River at Sault Ste. Marie high right now?
The flow is well below normal for October (2% of the median).
Is the Root River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Root River at Sault Ste. Marie?
66.8 m³/s (2,359 cfs) on April 22, 1992, the highest instantaneous flow in the approved records of the Water Survey of Canada (1971–2025). Events after 2025 are not yet in the approved archive.
How does the Root River at Sault Ste. Marie compare with a year ago?
The flow is 91% lower than on October 25, 2025 (0.70 m³/s (24.7 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02CA002 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.