McCrea Lake
50.8586° N, 90.2897° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)McCrea Lake, Ontario. 50.8586° N, 90.2897° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/mccrea-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.
- 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.
McCrea Lake covers 40.6 km², making it larger than 98% of the 18,731 lakes in Ontario. It lies 28 km south of Rat Rapids.
Government surveys have recorded 14 fish species here, including walleye, cisco and yellow perch.
- Area
- 40.6 km²
- larger than 98% of the 18,731 lakes in Ontario
- Shoreline
- 180 km
- longer than 99% of the 18,731 lakes in Ontario
- Fish species
- 14
- more than 86% of the 2,454 surveyed lakes in Ontario
- Elevation
- 379 m
Today on the water
-1.8 °C
Observed at Armstrong, as of 8:00 a.m. CDT
choppy Estimated waves, next 12 hours: up to 0.2 m. Around 7 p.m., wind from the south: the south shore is sheltered, waves build toward the north 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 | var. 5 | var. 5 | var. 5 | SE 10 | S 15 | SE 20 | SE 20 | SE 20 |
| Gusts km/h | 40 | 40 | 40 | |||||
| Waves (est.) m | 0.1 | 0.1 | 0.1 | 0.1 | ||||
| Temp. °C | 2 | 8 | 11 | 9 | 7 | 4 | 4 | 8 |
| Precip. % | 20 | 20 | 20 | 60 | 60 | 60 | 20 | 20 |
Today: Mainly cloudy. Fog patches dissipating late this morning. High 12. UV index 2 or low.
Weather: Armstrong (local forecast), as of 8:09 a.m. CDT
Sun and moon
- Civil dawn
- 6:41 a.m.
- Sunrise
- 7:14 a.m.
- Sunset
- 6:21 p.m.
- Civil dusk
- 6:54 p.m.
- Moonrise
- 6:06 a.m.
- Moonset
- 5:40 p.m.
- Moon
- Waning crescent, 1% lit
Fish
Sport fish by the share of the 29 government surveys (2009–2009) that recorded them.
Forage fish and other species (6)
Forage fish
- Trout-Perch 7
- Spottail Shiner 5
- Emerald Shiner 2
- Lake Chub 1
Other
- White Sucker 9
- Shorthead Redhorse 1
Numbers are the surveys that recorded each species.
Eating your catch
The provincial guide to eating fish (2026) sets limits for 8 species from McCrea Lake. Maximum meals per month:
| Species | Length | General population | Sensitive population* | Contaminant |
|---|---|---|---|---|
| Lake Trout | >75 cm | Do not eat | Do not eat | Mercury |
| Lake Whitefish | 45-50 cm | 16 | 16 | Arsenic |
| Northern Pike | 55-60 cm | 12 | 4 | Mercury |
| Walleye | 40-45 cm | 4 | Do not eat | Mercury |
| Burbot (Ling) | 50-55 cm | 8 | Do not eat | Mercury |
| Cisco (Lake Herring) | 35-40 cm | 12 | 4 | Mercury |
| Redhorse Sucker | 45-50 cm | 16 | 8 | 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 4. Check seasons and limits before you fish.