Lac Saint-Louis water level today
Lake in Quebec
20.949m
68.73 ft · gauge reading (local datum, not an elevation)
Measured · provisional
Normal for the dateSteady
At a glance · Oct 23
About normal
Lac Saint-Louis is 0.05 m lower than normal for Oct 23, lower than on this date in 8 of the last 10 years, but still within its normal range.
Much lower
Lower
About normal
Higher
Much higher
- This week↘ Falling 0.16 m
- Lowest on record↓ 19.97 m (1934)
Compared with this gauge's own records for the same date. A statistical guide, not advice.
Today compared with past years on Oct 23
Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.
What this means
It is lower than on Oct 23 in 8 of the last 10 years.
The lake has fallen 0.159 m in 7 days and fallen 0.362 m in 30 days.
Since 1915, the lowest daily level was 19.970 m (Nov 1934) and the highest 22.850 m (May 1943).
Lac Saint-Louis level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
2026 compared with 2025
20262025Normal (middle 50% of past years)Usual range (10th–90th percentile)Median
Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 23, 2025 | 20.666 m | ▼ 0.283 m |
| Oct 23, 2024 | 20.971 m | ▲ 0.022 m |
| Oct 23, 2023 | 21.270 m | ▲ 0.321 m |
| Oct 23, 2022 | 20.832 m | ▼ 0.117 m |
| Oct 23, 2021 | 21.442 m | ▲ 0.493 m |
| Oct 23, 2020 | 21.582 m | ▲ 0.633 m |
| Oct 23, 2019 | 21.574 m | ▲ 0.625 m |
| Oct 23, 2018 | 21.435 m | ▲ 0.486 m |
| Oct 23, 2017 | 21.419 m | ▲ 0.470 m |
| Oct 23, 2016 | 20.974 m | ▲ 0.025 m |
Records & details
- Highest
- 22.850 m on May 14, 1943
- Lowest
- 19.970 m on Nov 11, 1934
- Records from
- 1915 (111 years of daily data)
- Water temperature
- Not measured here