Map of Lac aux Grelots

Lac aux Grelots

45.9727° N, 71.0032° W

Shoreline and neighbouring water from open government data.

Download the map (SVG)

Lac aux Grelots covers 0.55 km², making it larger than 64% of the 29,407 lakes in Quebec. It lies 8.9 km east of Lac-Bolduc.

Area
0.55 km²
larger than 64% of the 29,407 lakes in Quebec
Shoreline
3 km
shorter than 60% of the 29,407 lakes in Quebec
Water clarity
1.6 mSecchi depth, 2025
less clear than 92% of the 805 monitored lakes in Quebec
Elevation
327 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 °C

Wind W 9 km/h

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

calm Estimated waves, next 12 hours: up to 0.1 m. Around 8 a.m., wind from the west: the west shore is sheltered, waves build toward the east 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 20W 20W 15W 10W 10
Gusts km/h404040
Waves (est.) m0.10.10.10.1
Temp. °C9912107531
Precip. %4040404040000

Today: Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm late this afternoon. Wind becoming west 20 km/h gusting to 40 this morning. High 12. UV index 3 or moderate.

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

Sun and moon

Civil dawn
6:23 a.m.
Sunrise
6:52 a.m.
Sunset
6:08 p.m.
Civil dusk
6:38 p.m.
Moonrise
5:43 a.m.
Moonset
5:26 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

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 Depths are from government surveys and may be outdated.

Water

Trophic status from the latest monitoring: meso-eutrophic (transition).

Clarity was measured with a Secchi disk in 12 years between 2012 and 2025; the latest annual mean is 1.6 m.

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