Lac Saint-Louis à Pointe-Claire water level

Name: Lac Saint-Louis à Pointe-Claire water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

Lake, Lac Saint-Louis, Québec, Canada

Directions

Normal for mid-October

Water level

21.12m Up 0.06 m over the last 24 hours

Measured Oct 16, 2026, 05:00 PM EDT (1 hour ago)

History

What this means

Lac Saint-Louis à Pointe-Claire is at 21.12 m, in the normal range for mid-October.

The median for mid-October is 21.25 m, based on 11 years of readings, so the water level is 0.14 m below typical. On the same day last year the reading was 20.66 m, a difference of +0.46 m.

It has risen 0.06 m over the past 24 hours. In the last month it has stayed between 20.90 m and 21.40 m.

Many reservoirs reach their low point of the year in fall, before winter rain and snow start the refill.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 21.25 m0.14 m below the median for this date
Normal for this date: 20.74 m – 21.48 m8 years in 10 fall in this range (11 years of records)
Same day last year: 20.66 m+0.46 m
Lowest and highest in 30 days: 20.90 m – 21.40 m
Lowest and highest in 12 months: 20.66 m – 21.39 m

On the water at Lac Saint-Louis à Pointe-Claire

Normal levels mean few surprises on the water: ramps in use and the shoreline where you expect it.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:13 AM Sunset 06:10 PM Daylight 10h 57m First quarter 34 %

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rivière des Outaouais à la Marina de Sainte-Anne-De-BellevueRiver gauge, Rivière des Outaouais	21.08 m	Normal	+0.03 m	10 km
Rivière des Outaouais à Sainte-Anne-De-BellevueRiver gauge, Rivière des Outaouais	21.55 m	Normal	+0.12 m	11 km
Rivière des Outaouais à Terrasse-VaudreuilRiver gauge, Rivière des Outaouais	21.52 m	Low	+0.11 m	15 km
Fleuve Saint-Laurent à Pointe-Des-CascadesRiver gauge, Fleuve Saint-Laurent	21.19 m	Normal	+0.02 m	15 km
Fleuve Saint-Laurent à LasalleRiver gauge, Fleuve Saint-Laurent	1.09 m	Normal	+0.06 m	15 km
Rivière des Mille îles à Bois-Des-FilionRiver gauge, Rivière des Mille îles	0.84 m	Low	+0.04 m	27 km
Rivière Richelieu aux Rapides FryersRiver gauge, Rivière Richelieu	0.85 m	Normal	+0.20 m	44 km
Rivière Richelieu à la Marina de Saint-JeanRiver gauge, Rivière Richelieu	0.22 m	Low	+0.06 m	47 km

Questions and answers

Is Lac Saint-Louis à Pointe-Claire higher than last year?

Yes, it is 0.46 m higher than on the same day last year, when the reading was 20.66 m.

How often is Lac Saint-Louis à Pointe-Claire updated?

Several times an hour. New readings from Environment and Climate Change Canada – Water Survey of Canada appear here as they arrive. Latest: Oct 16, 2026, 05:00 PM EDT.

What is the water level of Lac Saint-Louis à Pointe-Claire today?

On Oct 16, 2026, 05:00 PM EDT, the water level was 21.12 m. Up 0.06 m over the last 24 hours.

Is Lac Saint-Louis à Pointe-Claire rising or falling?

Up 0.06 m over the last 24 hours. Up 0.11 m over the last 7 days.

Is the level of Lac Saint-Louis à Pointe-Claire normal?

Normal for mid-October. Compared with 11 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from Environment and Climate Change Canada – Water Survey of Canada, the official operator of this gauge, and are published under the Open Government Licence – Canada. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02OA039 (Agency page)
Coordinates: 45.42768, -73.82068 (WGS84)
Vertical datum: station datum (assumed datum)
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Water level `stage`	21.12 m	2026-10-16 21:00	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Lac Saint-Louis à Pointe-Claire (eccc:02OA039). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/canada/quebec/lac-saint-louis-a-pointe-claire

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer