Williston Lake
56° N, 123.9167° W
Shoreline and neighbouring water from open government data.
Download the map (SVG)Williston Lake, British Columbia. 56° N, 123.9167° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/bc/williston-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.
- Known BC Fish Observations and BC Fish Distributions, Government of British Columbia. Contains information licensed under the Open Government Licence – British Columbia.
- Recreation Sites and Trails BC: recreation site points, Government of British Columbia. Contains information licensed under the Open Government Licence – British Columbia.
- Wildlife Management Units, Government of British Columbia. Contains information licensed under the Open Government Licence – British Columbia.
- 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).
- Photographs, Wikimedia Commons contributors. Each photo carries its own licence (CC0, public domain, CC BY or CC BY-SA), credited where shown.
Williston Lake covers 1,720 km², making it larger than 99% of the 4,577 lakes in British Columbia. It lies 19 km north of McLeod Lake.
Government surveys have recorded 19 fish species here, including lake whitefish, kokanee and bull trout.
- Area
- 1,720 km²
- larger than 99% of the 4,577 lakes in British Columbia
- Shoreline
- 1,560 km
- longer than 99% of the 4,577 lakes in British Columbia
- Fish species
- 19
- more than 99% of the 2,793 surveyed lakes in British Columbia
- Elevation
- 659 m
Today on the water
5.3 °C
Observed at Mackenzie, as of 10:39 p.m. PDT
rough Estimated waves, next 12 hours: up to 1.3 m.
| Time | 11 p.m. | 2 a.m. | 5 a.m. | 8 a.m. | 11 a.m. | 2 p.m. | 5 p.m. | 8 p.m. |
|---|---|---|---|---|---|---|---|---|
| Wind km/h | S 10 | var. 5 | var. 5 | N 30 | N 30 | N 30 | N 30 | N 10 |
| Gusts | 50 | 50 | 50 | 50 | ||||
| Waves (est.) m | 0.2 | 0.1 | 0.1 | 1.3 | 1.3 | |||
| Temp. °C | 6 | 4 | 4 | 4 | 4 | 7 | 6 | 4 |
| Precip. % | 80 | 40 | 40 | 30 | 30 | 30 | 30 | 30 |
Tonight: Rain ending near midnight then cloudy with 40 percent chance of showers. Low plus 4.
Weather: Mackenzie (local forecast), as of 10:39 p.m. PDT
Water level
Williston Lake at Lost Cabin Creek: 40.06 m at 8:25 p.m. PDT: 146 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 07EF002
Sun and moon
- Civil dawn
- 6:55 a.m.
- Sunrise
- 7:33 a.m.
- Sunset
- 6:31 p.m.
- Civil dusk
- 7:09 p.m.
- Moonrise
- 5:07 a.m.
- Moonset
- 5:42 p.m.
- Moon
- Waning crescent, 4% lit
Follow this lake by email: a weekly summary of conditions.
Fish
Sport fish by the share of the 393 government surveys (1977–2019) that recorded them.
Forage fish and other species (10)
Forage fish
- Peamouth Chub 34
- Redside Shiner 18
- Pygmy Whitefish 14
- Prickly Sculpin 13
- Lake Chub 6
- Slimy Sculpin 2
Other
- Northern Pikeminnow 29
- Longnose Sucker 19
- Largescale Sucker 12
- White Sucker 6
Numbers are the surveys that recorded each species.
Fishing regulations: Region 7A – Omineca. Check seasons and limits before you fish.
Getting on the water
4 listed access points, 3 of them boat launches. marks launches on the map.
- Cut Thumb Bay Recreation Site
- Finlay Bay Recreation Site
- Six Mile Bay Recreation Site
- Weston Bay Recreation Site
Photos



Follow this lake
Every Friday by email: the Environment Canada forecast, the water level at the nearest gauge and any weather alerts in effect.