Porcupine River at International Boundary
Water level and flow at gauge 09FD002, Yukon. The flow is well above normal for October (254% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 4 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 38 years of monthly averages): 110 m³/s3,876 cfs – 192 m³/s6,789 cfs, median 162 m³/s5,703 cfs. Right now it is at 254% of the median.
June 2, 1992 · approved records 1988–2021 (HYDAT). Right now the flow is 6% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 38 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
Mainly cloudy. Wind up to 15 km/h. Low minus 10. Wind chill minus 14 this evening.
Mainly cloudy. 40 percent chance of flurries in the morning. Wind up to 15 km/h. High zero. Wind chill minus 9 in the morning.
Mainly cloudy with 40 percent chance of flurries. Wind up to 15 km/h. Low minus 3. Wind chill minus 8 in the evening.
Cloudy. High minus 1.
Forecast for Old Crow (37 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Old Crow RiverThe Mouth · 45 km | 24.75 m81.20 ft | Very high |
| Fishing BranchChii Ch'A'An Mountain · 121 km | 2.95 m9.66 ft | No normal yet |
| Porcupine RiverBelow Bell River · 123 km | 23.84 m78.23 ft | No normal yet |
| Whitestone RiverThe Mouth · 151 km | 1.37 m4.50 ft | Above normal |
| Caribou CreekAbove Babbage River · 174 km | 2.51 m8.23 ft | No normal yet |
| Babbage RiverBelow Caribou Creek · 174 km | 3.68 m12.06 ft | No normal yet |
About this gauge
Station: 09FD002 · Porcupine River Near International Boundary
Location: 67.4585, -140.6620 · Yukon
Same river: Below Bell River
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 Porcupine River at International Boundary today?
The latest reading (Oct 25, 4 AM, local standard time) is 8.03 m (26.35 ft) with a flow of 410 m³/s (14,479 cfs).
Is the Porcupine River at International Boundary high right now?
The flow is well above normal for October (254% of the median).
Is the Porcupine River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Porcupine River at International Boundary?
7,090 m³/s (250,381 cfs) on June 2, 1992, the highest instantaneous flow in the approved records of the Water Survey of Canada (1988–2021). Events after 2021 are not yet in the approved archive.
Where does this data come from?
Gauge 09FD002 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.