Mader Lake
47.3347° N, 84.4167° W
Mader Lake, Ontario. 47.3347° N, 84.4167° W
Not for navigation. Depths are from government surveys and may be outdated.
borealbound.ca/lakes/on/mader-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.
- Fisheries Management Zones, Ontario Ministry of Natural Resources. Contains information licensed under the Open Government Licence – Ontario.
- 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).
Mader Lake covers 0.37 km², Ontario. It lies 21 km northeast of Montreal River Harbour.
- Area
- 0.37 km²
- Shoreline
- 5 km
- Elevation
- 455 m
Today on the water
3.3 °C
Observed at Montreal River Harbour, as of 5:00 a.m. EDT
| Time | 6 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/h | NW 10 | NW 20 | W 10 | W 10 | var. 5 | SE 10 | SE 10 | SE 15 |
| Temp. °C | 7 | 6 | 10 | 13 | 12 | 8 | 6 | 7 |
| Precip. % | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
Tonight: Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm after midnight. Wind northwest 20 km/h gusting to 40 becoming light after midnight. Low plus 5.
Weather: Montreal River Harbour (local forecast), as of 5:02 a.m. EDT
Sun and moon
- Civil dawn
- 7:17 a.m.
- Sunrise
- 7:47 a.m.
- Sunset
- 7:01 p.m.
- Civil dusk
- 7:31 p.m.
- Moonrise
- 6:40 a.m.
- Moonset
- 6:19 p.m.
- Moon
- Waning crescent, 1% lit
Follow this lake by email: a weekly summary of conditions.
Follow this lake
Every Friday by email: the Environment Canada forecast and any weather alerts in effect.