Windermere Lake
47.9491° N, 83.772° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Windermere Lake, Ontario. 47.9491° N, 83.772° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/windermere-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.
- Aquatic Resource Area survey points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Fishing access points, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- 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.
- 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).
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
- Ontario Waterbody Location Identifier, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
Windermere Lake covers 38.8 km², making it larger than 98% of the 18,731 lakes in Ontario. It lies beside Nicholson.
Government surveys have recorded 5 fish species here, including lake whitefish, northern pike and smallmouth bass.
- Area
- 38.8 km²
- larger than 98% of the 18,731 lakes in Ontario
- Shoreline
- 257 km
- longer than 99% of the 18,731 lakes in Ontario
- Fish species
- 5
- more than 53% of the 2,454 surveyed lakes in Ontario
- Elevation
- 424 m
Today on the water
5.5 °C
Observed at Chapleau, as of 4:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 8 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| 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 | W 10 | NW 20 | NW 20 | W 20 | W 10 | var. 5 | SE 10 | SE 10 |
| Waves (est.) m | 0.1 | 0.2 | 0.2 | 0.2 | ||||
| Temp. °C | 3 | 2 | 6 | 10 | 11 | 6 | 3 | 0 |
| Precip. % | 30 | 30 | 20 | 20 | 0 | 0 | 0 | 0 |
Tonight: Mainly cloudy with 60 percent chance of showers. Wind west 30 km/h gusting to 50 becoming light late this evening. Low plus 2.
Weather: Chapleau (local forecast), as of 4:00 a.m. EDT
Sun and moon
- Civil dawn
- 7:14 a.m.
- Sunrise
- 7:45 a.m.
- Sunset
- 6:58 p.m.
- Civil dusk
- 7:29 p.m.
- Moonrise
- 6:37 a.m.
- Moonset
- 6:16 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Fish
Sport fish by the share of the 3 government surveys (2018–2018) that recorded them.
Other species (1)
- White Sucker 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 6 species from Windermere Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Lake Whitefish | 45-50 cm | 12 | 4 | Mercury |
| Northern Pike | 55-60 cm | 8 | 4 | Mercury |
| Smallmouth Bass | 35-40 cm | 8 | Do not eat | Mercury |
| Walleye | 40-45 cm | 8 | 4 | Mercury |
| Burbot (Ling) | 50-55 cm | 12 | 4 | Mercury |
| White Sucker | 40-45 cm | 16 | 16 | Precautionary |
* As defined in the guide, including children and people who are or may become pregnant. Limits are for the length the guide lists most often; they change with the size of the fish. Read the official guide
Fishing regulations: Fisheries Management Zone 7. Check seasons and limits before you fish.
Getting on the water
1 listed boat launch. marks launches on the map.
- Boat launch
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.