What is the current water level of Lac Saint-Louis?

The current water level of Lac Saint-Louis (Quebec) is 20.84 m, measured Nov 4, 10:45 a.m. at Water Survey of Canada gauge 02OA039.

Is the water level at Lac Saint-Louis rising or falling?

The level is currently falling: 0.01 m over the past seven days.

How does the current level compare with the last 16 days?

Over the past 16 days the gauge ranged from 20.78 to 20.97 m. The current reading sits near the bottom of that range.

Where does the water level data for Lac Saint-Louis come from?

Readings come from the Saint-Louis (lac) A Pointe-Claire gauge (02OA039) in Water Survey of Canada's realtime hydrometric network (ECCC), refreshed every 5 minutes to an hour depending on the station — loaded server-side on this page, fresh on every visit.

Lac Saint-Louis water level

Water level recorded at Water Survey of Canada gauge 02OA039, refreshed every 5 minutes to an hour depending on the station.

Good to know 📏 Reading Water Survey of Canada gauges: what the level number means 💨 Gust factor: an indicator of jibe-crash risk

Current level

20.84m

measured Nov 4, 10:45 a.m.

24-hour change

+0.01m

rising

7-day change

−0.01m

falling

Range (16 days)

20.78–20.97m

lowest to highest daily reading

Water levels, day by day

Date	Water level	Δ vs previous day
Nov 4●	20.84	↑ 0.02
Nov 3	20.82	↑ 0.03
Nov 2	20.79	↑ 0.01
Nov 1	20.78	↓ 0.04
Oct 31	20.82	↓ 0.03
Oct 30	20.85	↑ 0.01
Oct 29	20.83	↓ 0.01
Oct 28	20.84	↓ 0.02
Oct 27	20.86	↓ 0.01
Oct 26	20.87	↑ 0.03
Oct 25	20.84	↓ 0.13
Oct 24	20.97	↑ 0.03
Oct 23	20.94	↓ 0.01
Oct 22	20.96	↓ 0.07

Readings fetched Nov 4, 11:15 a.m. (just now); the chart below loads the current trace live from Water Survey of Canada.

Lac Saint-Louis water level — common questions

What is the current water level of Lac Saint-Louis?: The current water level of Lac Saint-Louis (Quebec) is 20.84 m, measured Nov 4, 10:45 a.m. at Water Survey of Canada gauge 02OA039.
Is the water level at Lac Saint-Louis rising or falling?: The level is currently falling: 0.01 m over the past seven days.
How does the current level compare with the last 16 days?: Over the past 16 days the gauge ranged from 20.78 to 20.97 m. The current reading sits near the bottom of that range.
Where does the water level data for Lac Saint-Louis come from?: Readings come from the Saint-Louis (lac) A Pointe-Claire gauge (02OA039) in Water Survey of Canada's realtime hydrometric network (ECCC), refreshed every 5 minutes to an hour depending on the station — loaded server-side on this page, fresh on every visit.

Water level history

Water level · WSC gauge 02OA039

Reading the chart. Water Survey of Canada gauges report water level in metres above the station’s datum. The absolute number matters less than the trend: a falling level means shrinking launch depth and exposed shoals, a rising one means floating debris and lost beach.

Water levels respond to dam operations, irrigation drawdown, snowmelt, and recent rainfall. For launch decisions, combine the trend here with the wind forecast — low water plus strong wind makes steep, tired ramps.