Pic River at Marathon
Water level and flow at gauge 02BB003, Ontario. The flow is well below normal for October (19% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 8 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 56 years of monthly averages): 19.8 m³/s701 cfs – 73.6 m³/s2,598 cfs, median 43.7 m³/s1,541 cfs. Right now it is at 19% of the median.
April 20, 1976 · approved records 1970–2025 (HYDAT). Right now the flow is 1% of that record.
40% lower than on October 25, 2025 (13.5 m³/s477 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 55 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. Fog patches dissipating this morning. Wind becoming west 20 km/h gusting to 40 this morning. High 12. UV index 2 or low.
Clear. Becoming partly cloudy late this evening. Low minus 2.
A mix of sun and cloud. Wind up to 15 km/h. High plus 5. Wind chill minus 6 in the morning. UV index 2 or low.
Cloudy periods. Low minus 6.
Forecast for Marathon (21 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Little Pic RiverColdwell · 24 km | 2.17 m7.13 ft | Very low |
| Cedar CreekHemlo · 30 km | 7.15 m23.45 ft | Very low |
| White RiverAbove Oskabukuta River · 36 km | 26.94 m88.37 ft | Very low |
| Steel RiverBelow Santoy Lake · 41 km | 6.84 m22.42 ft | Below normal |
| White LakeWhite Lake Provincial Park · 49 km | 7.01 m23.01 ft | Normal |
| Pukaskwa RiverBelow Fox River · 80 km | 3.87 m12.71 ft | Below normal |
About this gauge
Station: 02BB003 · Pic River Near Marathon
Location: 48.7741, -86.2966 · 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 Pic River at Marathon today?
The latest reading (Oct 25, 8 AM, local standard time) is 1.74 m (5.70 ft) with a flow of 8.10 m³/s (286 cfs).
Is the Pic River at Marathon high right now?
The flow is well below normal for October (19% of the median).
Is the Pic River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Pic River at Marathon?
759 m³/s (26,804 cfs) on April 20, 1976, the highest instantaneous flow in the approved records of the Water Survey of Canada (1970–2025). Events after 2025 are not yet in the approved archive.
How does the Pic River at Marathon compare with a year ago?
The flow is 40% lower than on October 25, 2025 (13.5 m³/s (477 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 02BB003 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.