Nass River above Shumal Creek

Water level and flow at gauge 08DB001, British Columbia. The flow is well below normal for October (59% of the median). In the last 24 hours it has been falling.

Water level
3.86m12.65ft
−13 cm−5.0 in in 24 h
Flow
420m³/s14,832cfs
-12% in 24 h
Status
Very low
↓ falling -12%

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 88 years of monthly averages): 612 m³/s21,604 cfs – 895 m³/s31,615 cfs, median 712 m³/s25,126 cfs. Right now it is at 59% of the median.

Highest flow on record
8,920m³/s315,007cfs

October 9, 1974 · approved records 1966–2024 (HYDAT). Right now the flow is 5% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

500 m³/s1,000 m³/s1,500 m³/s20,000 cfs30,000 cfs40,000 cfs50,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

1,000 m³/s2,000 m³/s20,000 cfs40,000 cfs60,000 cfs80,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 75 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.

Nearby gauges

Ansedagan CreekNew Aiyansh · 23 km4.45 m14.59 ftVery low
Clarence CreekRosswood · 35 km2.18 m7.16 ftVery low
Cranberry RiverCranberry Junction · 51 km2.54 m8.33 ftNo normal yet
Kitwanga RiverKitwanga · 67 km1.87 m6.14 ftNo normal yet
Kitsumkalum RiverBelow Alice Creek · 68 km3.40 m11.14 ftBelow normal
Skeena RiverUsk · 82 km5.33 m17.50 ftBelow normal

About this gauge

Station: 08DB001 · Nass River Above Shumal Creek

Location: 55.2623, -129.0850 · British Columbia

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Questions

What is the water level of the Nass River above Shumal Creek today?

The latest reading (Oct 25, 8 AM, local standard time) is 3.86 m (12.65 ft) with a flow of 420 m³/s (14,832 cfs).

Is the Nass River above Shumal Creek high right now?

The flow is well below normal for October (59% of the median).

Is the Nass River rising or falling?

In the last 24 hours it has been falling.

What is the highest flow ever recorded on the Nass River above Shumal Creek?

8,920 m³/s (315,007 cfs) on October 9, 1974, the highest instantaneous flow in the approved records of the Water Survey of Canada (1966–2024). Events after 2024 are not yet in the approved archive.

Where does this data come from?

Gauge 08DB001 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.