Bigwater Lake
48.6129° N, 81.2821° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Bigwater Lake, Ontario. 48.6129° N, 81.2821° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/bigwater-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.
- 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).
- Guide to Eating Ontario Fish: Advisory Database, Ontario Ministry of the Environment, Conservation and Parks. Contains information licensed under the Open Government Licence – Ontario.
Bigwater Lake covers 1.82 km², making it larger than 79% of the 18,731 lakes in Ontario. It lies 15 km north of Timmins.
Government surveys have recorded 6 fish species here, including cisco, northern pike and smallmouth bass.
- Area
- 1.82 km²
- larger than 79% of the 18,731 lakes in Ontario
- Shoreline
- 6 km
- longer than 57% of the 18,731 lakes in Ontario
- Water clarity
- 2 mSecchi depth, 2018
- less clear than 86% of the 1,251 monitored lakes in Ontario
- Fish species
- 6
- more than 57% of the 2,454 surveyed lakes in Ontario
- Elevation
- 282 m
Today on the water
2.7 °C
Observed at Timmins, as of 8:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 11 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 9 a.m. | 12 p.m. | 3 p.m. | 6 p.m. | 9 p.m. | 12 a.m. | 3 a.m. | 6 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 15 | NW 20 | NW 20 | NW 20 | var. 5 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.2 | 0.2 | 0.2 | ||||
| Temp. °C | 3 | 5 | 7 | 7 | 3 | 1 | -1 | -1 |
| Precip. % | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 |
Today: Cloudy with 30 percent chance of showers early this morning then a mix of sun and cloud. Wind becoming northwest 20 km/h gusting to 40 late this morning. High 8. UV index 3 or moderate.
Weather: Timmins (local forecast), as of 8:00 a.m. EDT
Sun and moon
- Civil dawn
- 7:04 a.m.
- Sunrise
- 7:36 a.m.
- Sunset
- 6:47 p.m.
- Civil dusk
- 7:18 p.m.
- Moonrise
- 6:27 a.m.
- Moonset
- 6:05 p.m.
- Moon
- Waning crescent, 1% lit
Fish
Sport fish by the share of the 1 government surveys (2004–2004) 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 3 species from Bigwater Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Northern Pike | 55-60 cm | 8 | 4 | Mercury |
| Walleye | 40-45 cm | 16 | 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 8. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 5 years between 2005 and 2018; the latest annual mean is 2 m.