Lac Preissac
48.3142° N, 78.3565° W
Depth contours from the 1977 government survey. Not for navigation.
Download the depth map (SVG)Lac Preissac, Quebec. 48.3142° N, 78.3565° W
Maximum depth 16.5 m (1977 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/qc/lac-preissac/, 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 Preissac is 16.5 m deep at its deepest point, deeper than 51% of the 1,506 surveyed lakes in Quebec. It covers 112 km² and lies 5.1 km south of Vautrin.
- Maximum depth
- 16.5 msurveyed 1977
- deeper than 51% of the 1,506 surveyed lakes in Quebec
- Area
- 112 km²
- larger than 99% of the 29,407 lakes in Quebec
- Shoreline
- 205 km
- longer than 99% of the 29,407 lakes in Quebec
- Water clarity
- 1.1 mSecchi depth, 2025
- less clear than 98% of the 805 monitored lakes in Quebec
- Elevation
- 290 m
Today on the water
3.5 °C
Observed at Amos, as of 6:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.3 m. Around 9 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| Time | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. | 4 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | W 20 | NW 20 | NW 20 | W 10 | W 10 | var. 5 | var. 5 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.2 | 0.3 | 0.3 | 0.3 | 0.2 | |||
| Temp. °C | 3 | 4 | 6 | 8 | 5 | 3 | 0 | -2 |
| Precip. % | 30 | 30 | 30 | 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: Amos (local forecast), as of 6:01 a.m. EDT
Sun and moon
- Civil dawn
- 6:53 a.m.
- Sunrise
- 7:24 a.m.
- Sunset
- 6:36 p.m.
- Civil dusk
- 7:07 p.m.
- Moonrise
- 6:15 a.m.
- Moonset
- 5:54 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey from 1977 records a maximum depth of 16.5 m, drawn from 90 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
- Official government depth map (PDF)
Not for navigation. Depths are from government surveys and may be outdated.
Water
Trophic status from the latest monitoring: mesotrophic.
Clarity was measured with a Secchi disk in 8 years between 2018 and 2025; the latest annual mean is 1.1 m.