Map of Four Mile Lake

Four Mile Lake

46.3829° N, 79.3869° W

Shoreline and neighbouring water from open government data.

Download the map (SVG)

Four Mile Lake covers 0.84 km², making it larger than 63% of the 18,731 lakes in Ontario. It lies 2.9 km northeast of Hornell Heights.

Area
0.84 km²
larger than 63% of the 18,731 lakes in Ontario
Shoreline
7.3 km
longer than 64% of the 18,731 lakes in Ontario
Water clarity
1.5 mSecchi depth, 2019
less clear than 95% of the 1,251 monitored lakes in Ontario
Elevation
359 m

Today on the water

4 °C

Partly CloudyWind WNW 9 km/h

Observed at North Bay, as of 4:00 a.m. EDT

calm Estimated waves, next 12 hours: up to 0.1 m. Around 5 a.m., wind from the west: the west shore is sheltered, waves build toward the east shore.

Hourly forecast, next 24 hours
Time5 a.m.8 a.m.11 a.m.2 p.m.5 p.m.8 p.m.11 p.m.2 a.m.
Wind km/hW 10NW 20W 20NW 20N 10NE 10E 10E 10
Gusts km/h40
Waves (est.) m0.10.10.10.1
Temp. °C4481314953
Precip. %3030202020000

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

Weather: North Bay (local forecast), as of 4:00 a.m. EDT

Sun and moon

Civil dawn
6:56 a.m.
Sunrise
7:26 a.m.
Sunset
6:41 p.m.
Civil dusk
7:12 p.m.
Moonrise
6:18 a.m.
Moonset
6:00 p.m.
Moon
Waning crescent, 1% lit

Air Quality Health Index

1 low risk

North Bay, as of 3:00 a.m. EDT

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.

Water

Clarity was measured with a Secchi disk in 23 years between 1991 and 2019; the latest annual mean is 1.5 m.

Water clarity (Secchi depth, m)
Total phosphorus (µg/L)

Getting on the water

1 listed boat launch. marks launches on the map.