Flag Lake
46.8178° N, 82.7965° W
Depth contours from the 1977 government survey. Not for navigation.
Download the depth map (SVG)Flag Lake, Ontario. 46.8178° N, 82.7965° W
Maximum depth 6.1 m (1977 survey). Scale bar on the map.
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/flag-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).
Flag Lake is 6.1 m deep at its deepest point, shallower than 86% of the 2,688 surveyed lakes in Ontario. It covers 0.49 km² and lies 48 km northwest of Elliot Lake.
- Maximum depth
- 6.1 msurveyed 1977
- shallower than 86% of the 2,688 surveyed lakes in Ontario
- Area
- 0.49 km²
- smaller than 51% of the 18,731 lakes in Ontario
- Shoreline
- 8.6 km
- longer than 69% of the 18,731 lakes in Ontario
- Elevation
- 405 m
Today on the water
11.9 °C
Observed at Elliot Lake, as of 10:00 a.m. EDT
calm Estimated waves, next 12 hours: up to 0.1 m. Around 11 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. | 11 p.m. | 2 a.m. | 5 a.m. | 8 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | NW 20 | NW 20 | var. 5 | var. 5 | E 10 | E 10 | E 10 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | ||||
| Temp. °C | 11 | 13 | 13 | 10 | 4 | 2 | 0 | 4 |
| Precip. % | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 |
Today: Cloudy with 30 percent chance of showers early this morning. Clearing near noon. Wind becoming northwest 20 km/h gusting to 40 this morning. High 13. UV index 3 or moderate.
Weather: Elliot Lake (local forecast), as of 10:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:10 a.m.
- Sunrise
- 7:40 a.m.
- Sunset
- 6:55 p.m.
- Civil dusk
- 7:25 p.m.
- Moonrise
- 6:33 a.m.
- Moonset
- 6:13 p.m.
- Moon
- Waning crescent, 1% lit
Depth
The government depth survey from 1977 records a maximum depth of 6.1 m, drawn from 6 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.