Lac Joannès
48.1971° N, 78.6801° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Lac Joannès, Quebec. 48.1971° N, 78.6801° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-joannes/, compiled October 9, 2026
- Canadian Geographical Names Database, Natural Resources Canada. Contains information licensed under the Open Government Licence – Canada.
- HydroLAKES v1.0, Messager et al. 2016 / WWF HydroSHEDS. Licensed under CC BY 4.0.
- Census boundaries and population, 2021, Statistics Canada. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada.
- États trophiques des lacs (RSVL), Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs. Licensed under CC BY 4.0. Source: Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP), Données Québec.
- City page weather forecasts and alerts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Lac Joannès covers 4.44 km², making it larger than 90% of the 29,407 lakes in Quebec. It lies beside Lac-Joannès.
- Area
- 4.44 km²
- larger than 90% of the 29,407 lakes in Quebec
- Shoreline
- 13.1 km
- longer than 82% of the 29,407 lakes in Quebec
- Water clarity
- 1.4 mSecchi depth, 2024
- less clear than 95% of the 805 monitored lakes in Quebec
- Elevation
- 294 m
Today on the water
3.9 °C
Observed at Rouyn-Noranda, as of 9:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 10 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| Time | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. | 4 a.m. | 7 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 20 | NW 20 | NW 20 | W 10 | W 10 | var. 5 | var. 5 | S 10 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.2 | 0.2 | 0.2 | 0.1 | ||||
| Temp. °C | 4 | 6 | 8 | 5 | 3 | 0 | -2 | -2 |
| Precip. % | 30 | 30 | 0 | 0 | 0 | 0 | 0 | 0 |
Today: A mix of sun and cloud with 30 percent chance of rain showers or flurries. Wind becoming northwest 20 km/h gusting to 40 this morning. High 8. UV index 3 or moderate.
Weather: Rouyn-Noranda (local forecast), as of 9:02 a.m. EDT
Sun and moon
- Civil dawn
- 6:54 a.m.
- Sunrise
- 7:25 a.m.
- Sunset
- 6:37 p.m.
- Civil dusk
- 7:08 p.m.
- Moonrise
- 6:16 a.m.
- Moonset
- 5:55 p.m.
- Moon
- Waning crescent, 1% lit
Water
Trophic status from the latest monitoring: mesotrophic.
Clarity was measured with a Secchi disk in 19 years between 2004 and 2024; the latest annual mean is 1.4 m.
Photos
