Map of Lake Rosalind

Lake Rosalind

44.1749° N, 81.051° W

Shoreline and neighbouring water from open government data.

Download the map (SVG)

Lake Rosalind covers 0.43 km², making it smaller than 54% of the 18,731 lakes in Ontario. It lies 2.7 km northwest of Hanover.

Area
0.43 km²
smaller than 54% of the 18,731 lakes in Ontario
Shoreline
6.1 km
longer than 58% of the 18,731 lakes in Ontario
Water clarity
3.9 mSecchi depth, 2025
clearer than 60% of the 1,251 monitored lakes in Ontario
Elevation
273 m

Today on the water

6.4 °C

Wind SSW 5 km/h

Observed at Walkerton, as of 5:00 a.m. EDT

choppy Estimated waves, next 12 hours: up to 0.2 m. Around 12 p.m., wind from the northwest: the northwest shore is sheltered, waves build toward the southeast shore.

Hourly forecast, next 24 hours
Time6 a.m.9 a.m.12 p.m.3 p.m.6 p.m.9 p.m.12 a.m.3 a.m.
Wind km/hW 15NW 20NW 30NW 30NE 10E 10SE 10SE 10
Gusts km/h5050
Waves (est.) m0.10.10.20.20.1
Temp. °C581214141175
Precip. %404020200000

Today: A mix of sun and cloud. 40 percent chance of showers this morning. Wind becoming northwest 30 km/h gusting to 50 this morning. High 15. UV index 4 or moderate.

Weather: Walkerton (local forecast), as of 5:02 a.m. EDT

Sun and moon

Civil dawn
7:02 a.m.
Sunrise
7:31 a.m.
Sunset
6:50 p.m.
Civil dusk
7:19 p.m.
Moonrise
6:24 a.m.
Moonset
6:09 p.m.
Moon
Waning crescent, 1% lit

Air Quality Health Index

2 low risk

Tiverton, as of 4:00 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 11 years between 2003 and 2025; the latest annual mean is 3.9 m.

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