Lac Otis
48.3068° N, 70.6499° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Lac Otis, Quebec. 48.3068° N, 70.6499° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-otis/, 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.
- Géobase des bathymétries de lac du Québec (GBLQ), 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.
- 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 Otis covers 5.72 km², making it larger than 92% of the 29,407 lakes in Quebec. It lies 1.6 km northeast of Lac-Goth.
- Area
- 5.72 km²
- larger than 92% of the 29,407 lakes in Quebec
- Shoreline
- 21.7 km
- longer than 89% of the 29,407 lakes in Quebec
- Water clarity
- 2.9 mSecchi depth, 2025
- less clear than 67% of the 805 monitored lakes in Quebec
- Elevation
- 210 m
Today on the water
7.4 °C
Observed at Bagotville, as of 3:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.3 m. Around 4 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| Time | 4 a.m. | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 30 | W 20 | W 20 | W 20 | W 20 | W 20 | W 20 | W 20 |
| Gusts km/h | 40 | 40 | 40 | 40 | 40 | 40 | 40 | |
| Waves (est.) m | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | |||
| Temp. °C | 5 | 4 | 5 | 7 | 6 | 4 | 4 | 3 |
| Precip. % | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
Tonight: A few showers ending this evening then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 30 km/h. Low plus 4.
Weather: Bagotville (local forecast), as of 3:03 a.m. EDT
Sun and moon
- Civil dawn
- 6:22 a.m.
- Sunrise
- 6:53 a.m.
- Sunset
- 6:05 p.m.
- Civil dusk
- 6:36 p.m.
- Moonrise
- 5:42 a.m.
- Moonset
- 5:23 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
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 17 years between 2006 and 2025; the latest annual mean is 2.9 m.
Photos

Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.