Map of Lac des Aulnes with depth contours

Lac des Aulnes

47.1662° N, 72.1269° W

Depth contours from the 1968 government survey. Not for navigation.

Download the depth map (SVG)

Lac des Aulnes is 15.6 m deep at its deepest point, shallower than 54% of the 1,506 surveyed lakes in Quebec. It covers 0.9 km² and lies 16 km north of Lac-du-Milieu.

Maximum depth
15.6 msurveyed 1968
shallower than 54% of the 1,506 surveyed lakes in Quebec
Area
0.9 km²
larger than 73% of the 29,407 lakes in Quebec
Shoreline
5 km
longer than 61% of the 29,407 lakes in Quebec
Elevation
358 m

Today on the water

4.9 °C

Wind calm

Observed at La Tuque, as of 8:00 a.m. EDT

choppy Estimated waves, next 12 hours: up to 0.2 m. Around 9 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.

Hourly forecast, next 24 hours
Time9 a.m.12 p.m.3 p.m.6 p.m.9 p.m.12 a.m.3 a.m.6 a.m.
Wind km/hNW 20NW 20NW 20NW 20NW 20NW 20NW 20NW 15
Gusts km/h4040
Waves (est.) m0.20.20.20.2
Temp. °C68974331
Precip. %40404000000

Today: Mainly cloudy with 40 percent chance of showers. Wind becoming northwest 20 km/h gusting to 40 this morning. High 10. UV index 3 or moderate.

Weather: La Tuque (local forecast), as of 8:02 a.m. EDT

Sun and moon

Civil dawn
6:27 a.m.
Sunrise
6:58 a.m.
Sunset
6:12 p.m.
Civil dusk
6:42 p.m.
Moonrise
5:48 a.m.
Moonset
5:30 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.

Depth

33% of Lac des Aulnes is shallower than 3 m, and 50% is deeper than 5 m.

How to read it: the lake’s area is sorted from the shore to the deepest point. Where the curve is flat, large areas share one depth (flats and weed beds); where it drops, depth changes quickly (drop-offs).

The government depth survey from 1968 records a maximum depth of 15.6 m, drawn from 6 depth contours.

Not for navigation. Depths are from government surveys and may be outdated.