Map of Otter Lake with depth contours

Otter Lake

46.8753° N, 81.6585° W

Depth contours from the government survey. Not for navigation.

Download the depth map (SVG)

Otter Lake is 9.1 m deep at its deepest point, shallower than 76% of the 2,688 surveyed lakes in Ontario. It covers 0.25 km² and lies 10 km northwest of Benny.

Maximum depth
9.1 m
shallower than 76% of the 2,688 surveyed lakes in Ontario
Area
0.25 km²
smaller than 72% of the 18,731 lakes in Ontario
Shoreline
2.6 km
shorter than 80% of the 18,731 lakes in Ontario
Elevation
407 m

Today on the water

3.6 °C

Partly CloudyWind SW 10 km/h

Observed at Sudbury (Greater), as of 3:00 a.m. EDT

calm Estimated waves, next 12 hours: up to 0.1 m. Around 4 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.

Hourly forecast, next 24 hours
Time4 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/hW 10W 10NW 20NW 20NW 20NW 10var. 5SE 10
Gusts km/h4040
Waves (est.) m0.10.10.10.1
Temp. °C54710121075
Precip. %3030302020000

Tonight: Mainly cloudy with 30 percent chance of showers. Wind west 20 km/h gusting to 40 becoming light this evening. Low plus 4.

Weather: Sudbury (Greater) (local forecast), as of 3:02 a.m. EDT

Sun and moon

Civil dawn
7:05 a.m.
Sunrise
7:36 a.m.
Sunset
6:50 p.m.
Civil dusk
7:20 p.m.
Moonrise
6:28 a.m.
Moonset
6:09 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.

Depth

33% of Otter Lake is shallower than 3 m, and 49% is deeper than 5 m.

How to read it: the lake’s area is sorted from the shore to the deepest point. Where the curve is flat, large areas share one depth (flats and weed beds); where it drops, depth changes quickly (drop-offs).

The government depth survey records a maximum depth of 9.1 m, drawn from 3 depth contours.

Not for navigation. Depths are from government surveys and may be outdated.