Frank Channel above Great Slave Lake
Water level and flow at gauge 07SA009, Northwest Territories. In the last 24 hours it has been steady.
Latest reading Oct 25, 7 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
October 23, 2025 · approved records 2025–2025 (HYDAT). Right now the level is 0.10 m0.34 ft below that record.
0.41 m1.34 ft higher than on October 25, 2025 (98.38 m322.78 ft)
approved daily mean (HYDAT)
Last 30 days
Hourly readings
This year compared with past years
Daily water level
Normal range: monthly averages of past 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
A mix of sun and cloud. Wind south 20 km/h gusting to 40. High plus 1. Wind chill minus 15 this morning.
Partly cloudy. Wind south 20 km/h gusting to 40 becoming light overnight. Low minus 6. Wind chill minus 10 overnight.
Mainly sunny. Wind up to 15 km/h. High minus 1. Wind chill minus 10 in the morning and minus 5 in the afternoon. UV index 1 or low.
Cloudy. Low minus 3.
Forecast for Whati (7 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| La Martre RiverBelow Outlet of Lac la Martre · 63 km | 3.77 m12.35 ft | Below normal |
| Baker CreekOutlet of Lower Martin Lake · 84 km | 28.94 m94.96 ft | Below normal |
| Yellowknife RiverAbove Quyta Lake · 85 km | 8.76 m28.75 ft | Below normal |
| Bluefish LakeYellowknife · 86 km | 185.76 m609.44 ft | Normal |
| Yellowknife RiverInlet To Prosperous Lake · 87 km | 152.77 m501.20 ft | Below normal |
| Great Slave LakeYellowknife Bay · 90 km | 156.54 m513.59 ft | Normal |
About this gauge
Station: 07SA009 · Frank Channel Above Great Slave Lake
Location: 62.7857, -115.9447 · Northwest Territories
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 Frank Channel above Great Slave Lake today?
The latest reading (Oct 25, 7 AM, local standard time) is 98.79 m (324.11 ft).
Is the Frank Channel above Great Slave Lake high right now?
There is not enough historical data at this gauge to say what is normal.
Is the Frank Channel rising or falling?
In the last 24 hours it has been steady.
What is the highest water level ever recorded on the Frank Channel above Great Slave Lake?
98.89 m (324.45 ft) on October 23, 2025, the highest instantaneous level in the approved records of the Water Survey of Canada (2025–2025). Events after 2025 are not yet in the approved archive.
How does the Frank Channel above Great Slave Lake compare with a year ago?
The level is 0.41 m (1.34 ft) higher than on October 25, 2025 (98.38 m (322.78 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 07SA009 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.