St. Marys River at Stillwater
Water level and flow at gauge 01EO001, Nova Scotia. The flow is above normal for October (161% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 12 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 111 years of monthly averages): 15.8 m³/s556 cfs – 50.5 m³/s1,785 cfs, median 31.7 m³/s1,119 cfs. Right now it is at 161% of the median.
August 16, 1971 · approved records 1957–2025 (HYDAT). Right now the flow is 4% of that record.
4794% higher than on October 25, 2025 (1.04 m³/s36.7 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 110 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. Wind west 20 km/h. High 16. UV index 3 or moderate.
Clear. Wind southwest 20 km/h. Low 6.
Sunny. Becoming a mix of sun and cloud in the afternoon. Wind southwest 20 km/h gusting to 40. High 16. UV index 3 or moderate.
Cloudy periods with 30 percent chance of showers. Low 6.
Forecast for Malay Falls (44 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| South RiverSt. Andrews · 43 km | 1.39 m4.57 ft | Above normal |
| West River Sheet HarbourMarinette · 56 km | 97.94 m321.32 ft | No normal yet |
| West River Sheet HarbourBeaver Dam Mines Road · 61 km | 98.79 m324.11 ft | No normal yet |
| Middle River of PictouRocklin · 72 km | 0.62 m2.02 ft | Normal |
| River InhabitantsGlenora · 81 km | 1.10 m3.60 ft | Below normal |
| Salmon RiverMurray · 99 km | 1.18 m3.86 ft | Normal |
About this gauge
Station: 01EO001 · St. Marys River at Stillwater
Location: 45.1744, -61.9799 · Nova Scotia
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 St. Marys River at Stillwater today?
The latest reading (Oct 25, 12 PM, local standard time) is 2.95 m (9.66 ft) with a flow of 50.9 m³/s (1,798 cfs).
Is the St. Marys River at Stillwater high right now?
The flow is above normal for October (161% of the median).
Is the St. Marys River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the St. Marys River at Stillwater?
1,280 m³/s (45,203 cfs) on August 16, 1971, the highest instantaneous flow in the approved records of the Water Survey of Canada (1957–2025). Events after 2025 are not yet in the approved archive.
How does the St. Marys River at Stillwater compare with a year ago?
The flow is 4794% higher than on October 25, 2025 (1.04 m³/s (36.7 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 01EO001 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.