Little Current River at Percy Lake
Water level and flow at gauge 04JF001, Ontario. The flow is well below normal for October (32% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 8 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 45 years of monthly averages): 29.1 m³/s1,028 cfs – 63.7 m³/s2,250 cfs, median 45.6 m³/s1,610 cfs. Right now it is at 32% of the median.
May 21, 2023 · approved records 1969–2025 (HYDAT). Right now the flow is 3% of that record.
46% lower than on October 25, 2025 (27.0 m³/s953 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 45 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
Clearing early this morning. Wind west 30 km/h gusting to 50. High 11. UV index 2 or low.
Partly cloudy. Becoming cloudy this evening. Wind northwest 30 km/h gusting to 50. Low minus 2.
Cloudy. Wind up to 15 km/h. High plus 2. Wind chill minus 6 in the morning. UV index 1 or low.
Clear. Low minus 9.
Forecast for Greenstone (Nakina) (57 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Albany RiverAbove Nottik Island · 109 km | 23.48 m77.02 ft | Very low |
| Kenogamisis LakeGeraldton · 111 km | 329.38 m1,080.63 ft | Very low |
| Pagwachuan RiverHighway No. 11 · 137 km | 9.53 m31.26 ft | Very low |
| Kenogami RiverMammamattawa · 155 km | 20.14 m66.07 ft | Very low |
| Blackwater RiverBeardmore · 156 km | 300.80 m986.87 ft | Very low |
| Attawapiskat RiverBelow Attawapiskat Lake · 162 km | 28.17 m92.41 ft | Very low |
About this gauge
Station: 04JF001 · Little Current River at Percy Lake
Location: 50.6612, -86.5363 · 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 Little Current River at Percy Lake today?
The latest reading (Oct 25, 8 AM, local standard time) is 27.43 m (89.98 ft) with a flow of 14.5 m³/s (512 cfs).
Is the Little Current River at Percy Lake high right now?
The flow is well below normal for October (32% of the median).
Is the Little Current River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Little Current River at Percy Lake?
452 m³/s (15,962 cfs) on May 21, 2023, the highest instantaneous flow in the approved records of the Water Survey of Canada (1969–2025). Events after 2025 are not yet in the approved archive.
How does the Little Current River at Percy Lake compare with a year ago?
The flow is 46% lower than on October 25, 2025 (27.0 m³/s (953 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 04JF001 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.