Patterson Lake
45.0069° N, 76.5272° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Patterson Lake, Ontario. 45.0069° N, 76.5272° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/patterson-lake-near-perth/, 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).
Patterson Lake covers 1.63 km², making it larger than 77% of the 18,731 lakes in Ontario. It lies 3.6 km southwest of Watson's Corners.
Government surveys have recorded 5 fish species here, including bluegill, pumpkinseed and yellow perch.
- Area
- 1.63 km²
- larger than 77% of the 18,731 lakes in Ontario
- Shoreline
- 9.6 km
- longer than 73% of the 18,731 lakes in Ontario
- Water clarity
- 4.7 mSecchi depth, 2019
- clearer than 75% of the 1,251 monitored lakes in Ontario
- Fish species
- 5
- more than 53% of the 2,454 surveyed lakes in Ontario
- Elevation
- 202 m
Today on the water
7.3 °C
Observed at Sharbot Lake, as of 7:00 a.m. EDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 12 p.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.
| 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 | W 15 | W 15 | NW 30 | NW 30 | NW 15 | var. 5 | var. 5 | var. 5 |
| Gusts km/h | 50 | 50 | ||||||
| Waves (est.) m | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | |||
| Temp. °C | 6 | 10 | 13 | 14 | 8 | 3 | 1 | 0 |
| Precip. % | 40 | 40 | 40 | 40 | 20 | 20 | 0 | 0 |
Today: Mainly cloudy with 40 percent chance of showers. Wind becoming northwest 30 km/h gusting to 50 near noon. High 14. UV index 3 or moderate.
Weather: Sharbot Lake (local forecast), as of 7:00 a.m. EDT
Sun and moon
- Civil dawn
- 6:44 a.m.
- Sunrise
- 7:14 a.m.
- Sunset
- 6:31 p.m.
- Civil dusk
- 7:01 p.m.
- Moonrise
- 6:05 a.m.
- Moonset
- 5:50 p.m.
- Moon
- Waning crescent, 1% lit
Fish
Sport fish by the share of the 1 government surveys (2011–2011) that recorded them.
Forage fish and other species (2)
- Blacknose Dace 1
- Bluntnose Minnow 1
Numbers are the surveys that recorded each species.
Fishing regulations: Fisheries Management Zone 18. Check seasons and limits before you fish.
Water
Clarity was measured with a Secchi disk in 9 years between 2001 and 2019; the latest annual mean is 4.7 m.