Map of Umfreville Lake

Umfreville Lake

50.323° N, 94.8383° W

Shoreline and neighbouring water from open government data.

Download the map (SVG)

Umfreville Lake covers 156 km², making it larger than 99% of the 18,731 lakes in Ontario. It lies 9.1 km southeast of Werner Lake.

Government surveys have recorded 16 fish species here, including sauger, walleye and yellow perch.

Area
156 km²
larger than 99% of the 18,731 lakes in Ontario
Shoreline
516 km
longer than 99% of the 18,731 lakes in Ontario
Fish species
16
more than 91% of the 2,454 surveyed lakes in Ontario
Elevation
317 m

Today on the water

2.7 °C

Wind ESE 2 km/h

Observed at Whiteshell, as of 2:00 a.m. CDT

choppy Estimated waves, next 12 hours: up to 0.3 m. Around 9 a.m., wind from the southeast: the southeast shore is sheltered, waves build toward the northwest shore.

Hourly forecast, next 24 hours
Time3 a.m.6 a.m.9 a.m.12 p.m.3 p.m.6 p.m.9 p.m.12 a.m.
Wind km/hvar. 5SE 10SE 20SE 20SE 20SE 20SE 20SE 20
Gusts km/h404040404040
Waves (est.) m0.10.20.30.30.3
Temp. °C3481215151514
Precip. %00606060000

Tonight: Partly cloudy. Low plus 3.

Weather: Whiteshell (local forecast), as of 2:02 a.m. CDT

Sun and moon

Civil dawn
6:59 a.m.
Sunrise
7:32 a.m.
Sunset
6:39 p.m.
Civil dusk
7:12 p.m.
Moonrise
6:25 a.m.
Moonset
5:58 p.m.
Moon
Waning crescent, 1% lit

Data Source: Environment and Climate Change Canada. Local times.

How waves are estimated

Significant wave height from the forecast hourly wind and the open-water distance (fetch) upwind, using the SMB method (US Army Corps of Engineers Shore Protection Manual, 1984), rounded up to the next 0.1 m. It is not a measurement: gusts, leftover swell and shoals can make water rougher. Under 0.2 m: calm; 0.2–0.5 m: choppy; over 0.5 m: rough.

Fish

Sport fish by the share of the 58 government surveys (2009–2009) that recorded them.

  • Sauger42 of 58
  • Walleye42 of 58
  • Yellow Perch25 of 58
  • Cisco20 of 58
  • Rock Bass16 of 58
  • Northern Pike13 of 58
  • Burbot11 of 58
  • Lake Whitefish10 of 58
  • Smallmouth Bass2 of 58
Forage fish and other species (7)

Forage fish

  • Emerald Shiner 18
  • Spottail Shiner 12
  • Trout-Perch 7
  • Rainbow Smelt 3

Other

  • White Sucker 7
  • Mooneye 6
  • Goldeye 1

Numbers are the surveys that recorded each species.

Eating your catch

The provincial guide to eating fish (2026) sets limits for 9 species from Umfreville Lake. Maximum meals per month:

SpeciesLengthGeneral populationSensitive population*Contaminant
Lake Whitefish45-50 cm168Mercury
Northern Pike55-60 cm4Do not eatMercury
Sauger30-35 cm4Do not eatMercury
Smallmouth Bass35-40 cm4Do not eatMercury
Walleye40-45 cm4Do not eatMercury
Yellow Perch20-25 cm124Mercury
Burbot (Ling)50-55 cm4Do not eatMercury
Cisco (Lake Herring)30-35 cm168Mercury
White Sucker40-45 cm88Dioxins/Furans

* 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.

Getting on the water

1 listed access point; 1 with parking listed.