Lesser Slave Lake at Slave Lake
Water level and flow at gauge 07BJ006, Alberta. The level is normal for October. In the last 24 hours it has been falling.
Latest reading Oct 25, 7 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 46 years of monthly averages): 576.12 m1,890.16 ft – 576.66 m1,891.91 ft, median 576.40 m1,891.08 ft.
August 30, 1996 · approved records 1992–2025 (HYDAT). Right now the level is 1.64 m5.38 ft below that record.
0.71 m2.33 ft higher than on October 25, 2025 (575.94 m1,889.55 ft)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily water level
Normal range: monthly averages of 41 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. Becoming sunny near noon. Fog patches developing early this morning and dissipating this morning. Wind becoming southeast 20 km/h this afternoon. High plus 2. Wind chill minus 10 this morning. UV index 1 or low.
Clear. Wind southeast 20 km/h becoming light overnight. Low minus 6. Wind chill near minus 10.
Sunny. Wind becoming southeast 20 km/h in the morning. High plus 4. Wind chill minus 13 in the morning. UV index 1 or low.
Cloudy periods. Low minus 4.
Forecast for Slave Lake (3 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Lesser Slave RiverSlave Lake · 1 km | 576.47 m1,891.30 ft | Above normal |
| Sawridge CreekSlave Lake · 4 km | 1.64 m5.38 ft | Very high |
| Driftwood RiverThe Mouth · 35 km | 1.05 m3.45 ft | Above normal |
| Saulteaux RiverSpurfield · 38 km | 1.53 m5.01 ft | Above normal |
| Swan RiverKinuso · 41 km | 583.55 m1,914.53 ft | Very high |
| Fawcett LakeSmith · 45 km | 611.49 m2,006.20 ft | Above normal |
About this gauge
Station: 07BJ006 · Lesser Slave Lake at Slave Lake
Location: 55.3057, -114.7718 · Alberta
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 Lesser Slave Lake at Slave Lake today?
The latest reading (Oct 25, 7 AM, local standard time) is 576.65 m (1,891.88 ft).
Is the Lesser Slave Lake at Slave Lake high right now?
The level is normal for October.
Is the Lesser Slave Lake rising or falling?
In the last 24 hours it has been falling.
What is the highest water level ever recorded on the Lesser Slave Lake at Slave Lake?
578.28 m (1,897.26 ft) on August 30, 1996, the highest instantaneous level in the approved records of the Water Survey of Canada (1992–2025). Events after 2025 are not yet in the approved archive.
How does the Lesser Slave Lake at Slave Lake compare with a year ago?
The level is 0.71 m (2.33 ft) higher than on October 25, 2025 (575.94 m (1,889.55 ft), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 07BJ006 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.