Helios Lake
49.254° N, 86.4523° W
Helios Lake, Ontario. 49.254° N, 86.4523° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/helios-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).
Helios Lake covers 0.54 km², Ontario. It lies 60 km north of Marathon.
- Area
- 0.54 km²
- Shoreline
- 3.6 km
- Elevation
- 314 m
Today on the water
2.1 °C
Observed at Marathon, as of 7:00 a.m. EDT
Wind from the north: the north shore is the sheltered side.
| Time | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. | 5 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | var. 5 | W 20 | W 20 | SW 10 | SE 10 | SE 10 | SE 10 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Temp. °C | 1 | 7 | 11 | 12 | 10 | 8 | 4 | 6 |
| Precip. % | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 30 |
Today: A mix of sun and cloud. 30 percent chance of showers early this morning. Wind becoming west 20 km/h gusting to 40 late this morning. High 12. UV index 3 or moderate.
Weather: Marathon (local forecast), as of 7:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:25 a.m.
- Sunrise
- 7:57 a.m.
- Sunset
- 7:07 p.m.
- Civil dusk
- 7:39 p.m.
- Moonrise
- 6:49 a.m.
- Moonset
- 6:26 p.m.
- Moon
- Waning crescent, 1% lit