Professor Lake
49.3094° N, 87.4069° W
Depth contours from the government survey. Not for navigation.
Download the depth map (SVG)Professor Lake, Ontario. 49.3094° N, 87.4069° W
Maximum depth 2 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/professor-lake/, 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.
- Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Bathymetry lines and survey index, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- 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).
Professor Lake is 2 m deep at its deepest point, shallower than 98% of the 2,688 surveyed lakes in Ontario. It covers 0.15 km² and lies 42 km south of Jellicoe.
- Maximum depth
- 2 m
- shallower than 98% of the 2,688 surveyed lakes in Ontario
- Area
- 0.15 km²
- smaller than 88% of the 18,731 lakes in Ontario
- Shoreline
- 2.1 km
- shorter than 90% of the 18,731 lakes in Ontario
- Elevation
- 399 m
Today on the water
4.6 °C
Observed at Greenstone (Beardmore), as of 3:00 a.m. EDT
calm Estimated waves, next 12 hours: up to 0.1 m. Around 4 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast 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 | NW 10 | W 10 | var. 5 | var. 5 | S 10 | SE 10 | SE 20 | SE 20 |
| Gusts km/h | 40 | |||||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | ||||
| Temp. °C | 4 | 2 | 5 | 9 | 12 | 11 | 9 | 8 |
| Precip. % | 20 | 0 | 0 | 0 | 0 | 0 | 20 | 20 |
Tonight: Cloudy. 40 percent chance of showers early this evening. Clearing near midnight. Wind west 30 km/h gusting to 50 becoming north 20 then light this evening. Low plus 2.
Weather: Greenstone (Beardmore) (local forecast), as of 3:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:29 a.m.
- Sunrise
- 8:01 a.m.
- Sunset
- 7:11 p.m.
- Civil dusk
- 7:43 p.m.
- Moonrise
- 6:53 a.m.
- Moonset
- 6:30 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Depth
The government depth survey records a maximum depth of 2 m, drawn from 1 depth contours.
- Download the depth map (SVG)Printing this page gives the map on one sheet, with scale and sources.
Not for navigation. Depths are from government surveys and may be outdated.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.