Seal River below Great Island

Water level and flow at gauge 06GD001, Manitoba. The flow is normal for October (94% of the median). In the last 24 hours it has been steady.

Water level
121.16m397.52ft
−3 cm−1.1 in in 24 h
Flow
357m³/s12,607cfs
-3% in 24 h
Status
Normal
→ steady

Latest reading Oct 25, 9 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 70 years of monthly averages): 285 m³/s10,065 cfs – 583 m³/s20,580 cfs, median 379 m³/s13,384 cfs. Right now it is at 94% of the median.

Highest flow on record
1,790m³/s63,213cfs

June 27, 2020 · approved records 1971–2024 (HYDAT). Right now the flow is 20% of that record.

Compared with a year ago

79% higher than on October 25, 2025 (199 m³/s7,028 cfs)

approved daily mean (HYDAT)

Last 30 days

Hourly readings · shaded: normal range for this month

300 m³/s400 m³/s500 m³/s600 m³/s10,000 cfs15,000 cfs20,000 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

500 m³/s1,000 m³/s1,500 m³/s10,000 cfs20,000 cfs30,000 cfs40,000 cfs50,000 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median202420252026 (provisional)

Normal range: monthly averages of 72 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

Churchill RiverAbove Red Head Rapids · 129 km23.08 m75.71 ftNormal
Little Beaver RiverThe Mouth · 142 km29.03 m95.25 ftVery high
Deer River North of Belcher06FD002 · 155 km31.24 m102.50 ftAbove normal
Churchill RiverBelow Fidler Lake · 187 km23.71 m77.79 ftNormal
Gauer RiverBelow Thorsteinson Lake · 191 km29.35 m96.28 ftAbove normal
Southern Indian LakeMissi Falls · 207 km258.36 m847.65 ftVery high

About this gauge

Station: 06GD001 · Seal River Below Great Island

Location: 58.8913, -96.2767 · Manitoba

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 Seal River below Great Island today?

The latest reading (Oct 25, 9 AM, local standard time) is 121.16 m (397.52 ft) with a flow of 357 m³/s (12,607 cfs).

Is the Seal River below Great Island high right now?

The flow is normal for October (94% of the median).

Is the Seal River rising or falling?

In the last 24 hours it has been steady.

What is the highest flow ever recorded on the Seal River below Great Island?

1,790 m³/s (63,213 cfs) on June 27, 2020, the highest instantaneous flow in the approved records of the Water Survey of Canada (1971–2024). Events after 2024 are not yet in the approved archive.

How does the Seal River below Great Island compare with a year ago?

The flow is 79% higher than on October 25, 2025 (199 m³/s (7,028 cfs), approved daily mean (HYDAT)).

Where does this data come from?

Gauge 06GD001 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.