Simon Lake
46.3967° N, 81.1928° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Simon Lake, Ontario. 46.3967° N, 81.1928° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/simon-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.
- Lake Partner Program, Ontario Ministry of the Environment, Conservation and Parks. 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).
- Air Quality Health Index observations and forecasts, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
Simon Lake covers 1.01 km², making it larger than 68% of the 18,731 lakes in Ontario. It lies beside Naughton.
- Area
- 1.01 km²
- larger than 68% of the 18,731 lakes in Ontario
- Shoreline
- 6.1 km
- longer than 58% of the 18,731 lakes in Ontario
- Water clarity
- 4 mSecchi depth, 2016
- clearer than 61% of the 1,251 monitored lakes in Ontario
- Elevation
- 231 m
Today on the water
4.6 °C
Observed at Greater Sudbury, as of 5:00 a.m. EDT
calm Estimated waves, next 12 hours: up to 0.1 m. Around 6 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.
| Time | 6 a.m. | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 10 | NW 20 | NW 20 | NW 20 | NW 10 | var. 5 | SE 10 | SE 10 |
| Gusts km/h | 40 | 40 | ||||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |||
| Temp. °C | 5 | 5 | 9 | 12 | 11 | 7 | 6 | 4 |
| Precip. % | 30 | 30 | 20 | 20 | 0 | 0 | 0 | 0 |
Tonight: Mainly cloudy with 30 percent chance of showers. Wind west 20 km/h gusting to 40 becoming light this evening. Low plus 4.
Weather: Greater Sudbury (local forecast), as of 5:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:03 a.m.
- Sunrise
- 7:34 a.m.
- Sunset
- 6:49 p.m.
- Civil dusk
- 7:19 p.m.
- Moonrise
- 6:26 a.m.
- Moonset
- 6:07 p.m.
- Moon
- Waning crescent, 1% lit
Air Quality Health Index
1 low risk
Sudbury, as of 4:00 a.m. EDT
Follow this lake by email: a weekly summary of conditions.
Water
Clarity was measured with a Secchi disk in 8 years between 2002 and 2016; the latest annual mean is 4 m.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.