Map of Lac Sainte-Anne

Lac Sainte-Anne

46.8035° N, 72.367° W

Shoreline and neighbouring water from open government data.

Download the map (SVG)

Lac Sainte-Anne covers 0.6 km², making it larger than 65% of the 29,407 lakes in Quebec. It lies 2.9 km south of Montauban-les-Mines.

Area
0.6 km²
larger than 65% of the 29,407 lakes in Quebec
Shoreline
3.9 km
longer than 52% of the 29,407 lakes in Quebec
Water clarity
4.1 mSecchi depth, 2025
clearer than 55% of the 805 monitored lakes in Quebec
Elevation
151 m

Today on the water

YELLOW ADVISORY - FROST · issued 4:39 a.m. EDT
Temperatures will drop to near the freezing mark overnight tonight.

Take preventative measures to protect cold-sensitive plants, trees, and crops.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on social media using #QCStorm.

Official alert on weather.gc.ca · expires 8:39 p.m. EDT

6.3 °C

Wind WSW 8 km/h

Observed at Shawinigan, as of 7:00 a.m. EDT

choppy Estimated waves, next 12 hours: up to 0.2 m. Around 6 p.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.

Hourly forecast, next 24 hours
Time8 a.m.11 a.m.2 p.m.5 p.m.8 p.m.11 p.m.2 a.m.5 a.m.
Wind km/hW 10W 20W 20W 20NW 20NW 15NW 10NW 10
Gusts km/h404040
Waves (est.) m0.10.10.10.1
Temp. °C910121110765
Precip. %303030300000

Today: A mix of sun and cloud with 30 percent chance of showers. Wind becoming west 20 km/h gusting to 40 this morning. High 12. UV index 3 or moderate.

Weather: Shawinigan (local forecast), as of 7:03 a.m. EDT

Sun and moon

Civil dawn
6:28 a.m.
Sunrise
6:59 a.m.
Sunset
6:13 p.m.
Civil dusk
6:43 p.m.
Moonrise
5:49 a.m.
Moonset
5:31 p.m.
Moon
Waning crescent, 1% lit

Data Source: Environment and Climate Change Canada. Local times.

How waves are estimated

Significant wave height from the forecast hourly wind and the open-water distance (fetch) upwind, using the SMB method (US Army Corps of Engineers Shore Protection Manual, 1984), rounded up to the next 0.1 m. It is not a measurement: gusts, leftover swell and shoals can make water rougher. Under 0.2 m: calm; 0.2–0.5 m: choppy; over 0.5 m: rough.

Water

Trophic status from the latest monitoring: oligo-mesotrophic (transition).

Clarity was measured with a Secchi disk in 12 years between 2014 and 2025; the latest annual mean is 4.1 m.

Water clarity (Secchi depth, m)
Total phosphorus (µg/L)