Bay Lake
47.3474° N, 79.8392° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Bay Lake, Ontario. 47.3474° N, 79.8392° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/bay-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.
- Bathymetry lines and survey index, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- Real-time hydrometric data, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- National Water Data Archive (HYDAT) daily means, Environment and Climate Change Canada. Contains data from Environment and Climate Change Canada (ECCC Data Servers End-use Licence).
- 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.
Bay Lake covers 14.6 km², making it larger than 97% of the 18,731 lakes in Ontario. It lies beside Latchford.
Government surveys have recorded 9 fish species here, including walleye, pumpkinseed and rock bass.
- Area
- 14.6 km²
- larger than 97% of the 18,731 lakes in Ontario
- Shoreline
- 55.7 km
- longer than 96% of the 18,731 lakes in Ontario
- Fish species
- 9
- more than 69% of the 2,454 surveyed lakes in Ontario
- Elevation
- 275 m
Today on the water
3.7 °C
Observed at Temiskaming Shores, as of 3:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.4 m. Around 8 a.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| Time | 4 a.m. | 7 a.m. | 10 a.m. | 1 p.m. | 4 p.m. | 7 p.m. | 10 p.m. | 1 a.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | W 20 | W 10 | NW 20 | NW 20 | NW 20 | NW 20 | var. 5 | SE 10 |
| Gusts km/h | 40 | 40 | ||||||
| Waves (est.) m | 0.3 | 0.1 | 0.4 | 0.4 | ||||
| Temp. °C | 3 | 4 | 5 | 9 | 11 | 8 | 3 | 0 |
| Precip. % | 30 | 30 | 30 | 20 | 20 | 0 | 0 | 0 |
Tonight: Mainly cloudy with 30 percent chance of showers. Wind west 20 km/h gusting to 40 becoming light this evening. Wind becoming west 20 after midnight. Low plus 3.
Weather: Temiskaming Shores (local forecast), as of 3:02 a.m. EDT
Water level
Bay Lake at Latchford: 7.07 m at 12:55 a.m. EDT: 3 cm above the median for this time of year, within the normal range.
Normal range (25th–75th percentile, HYDAT) Last 7 days
Provisional real-time data, subject to revision. hydrometric station 02JD013
Sun and moon
- Civil dawn
- 6:58 a.m.
- Sunrise
- 7:29 a.m.
- Sunset
- 6:42 p.m.
- Civil dusk
- 7:13 p.m.
- Moonrise
- 6:20 a.m.
- Moonset
- 6:01 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 9 government surveys (2013–2013) that recorded them.
Forage fish and other species (3)
- Logperch 2
- Longnose Dace 1
- Mottled Sculpin 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 5 species from Bay Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Northern Pike | 55-60 cm | 4 | Do not eat | Mercury |
| Smallmouth Bass | 35-40 cm | 8 | Do not eat | Mercury |
| Walleye | 40-45 cm | 4 | Do not eat | Mercury |
| Yellow Perch | 20-25 cm | 16 | 4 | Mercury |
| Cisco (Lake Herring) | 30-35 cm | 16 | 4 | Mercury |
* 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 11. Check seasons and limits before you fish.
Water
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, the water level at the nearest gauge and any weather alerts in effect.