Rumsay Lake
47.2718° N, 81.8982° W
Depth contours from the government survey. Not for navigation.
Download the depth map (SVG)Rumsay Lake, Ontario. 47.2718° N, 81.8982° W
Maximum depth 12 m. Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/rumsay-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).
Rumsay Lake is 12 m deep at its deepest point, shallower than 68% of the 2,688 surveyed lakes in Ontario. It covers 4.04 km² and lies 9.3 km northeast of Eureka.
- Maximum depth
- 12 m
- shallower than 68% of the 2,688 surveyed lakes in Ontario
- Area
- 4.04 km²
- larger than 89% of the 18,731 lakes in Ontario
- Shoreline
- 28.2 km
- longer than 92% of the 18,731 lakes in Ontario
- Elevation
- 398 m
Today on the water
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 11 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. | 6 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 15 | NW 20 | NW 20 | NW 20 | var. 5 | S 10 | var. 5 | SE 15 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | |||
| Temp. °C | 4 | 6 | 8 | 8 | 4 | 2 | 0 | 0 |
| Precip. % | 30 | 20 | 20 | 0 | 0 | 0 | 0 | 0 |
Today: Cloudy with 30 percent chance of showers this morning then a mix of sun and cloud. Wind becoming northwest 20 km/h gusting to 40 late this morning. High 9. UV index 3 or moderate.
Weather: Gogama (local forecast), as of 8:05 a.m. EDT
Sun and moon
- Civil dawn
- 7:07 a.m.
- Sunrise
- 7:37 a.m.
- Sunset
- 6:51 p.m.
- Civil dusk
- 7:21 p.m.
- Moonrise
- 6:29 a.m.
- Moonset
- 6:09 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey records a maximum depth of 12 m, drawn from 16 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.