Optic Lake
50.9215° N, 94.5211° W
Optic Lake, Ontario. 50.9215° N, 94.5211° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/optic-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.
- 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).
Optic Lake covers 3.5 km², Ontario. It lies 59 km west of Red Lake.
- Area
- 3.5 km²
- Shoreline
- 22.4 km
- Elevation
- 373 m
Today on the water
0.8 °C
Observed at Red Lake, as of 4:00 a.m. CDT
| Time | 5 a.m. | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | S 10 | S 10 | S 20 | SE 20 | SE 20 | SE 20 | SE 20 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | 40 | 40 | |||
| Temp. °C | 2 | 3 | 8 | 10 | 10 | 10 | 9 | 8 |
| Precip. % | 20 | 20 | 20 | 60 | 60 | 60 | 10 | 10 |
Tonight: Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low plus 1.
Weather: Red Lake (local forecast), as of 4:03 a.m. CDT
Sun and moon
- Civil dawn
- 6:58 a.m.
- Sunrise
- 7:31 a.m.
- Sunset
- 6:38 p.m.
- Civil dusk
- 7:10 p.m.
- Moonrise
- 6:24 a.m.
- Moonset
- 5:57 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.