Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
755km²
Area
226km
Coastline
80m
Highest point
0
People
-1°C
Warmest sea
July
771km
To the mainland
When to go to Brock Island
Best to visit from December to April.
The sea is warmest in July (-1 °C) and coolest in January (-2 °C). The water never reaches 21 °C: bring a wetsuit.
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Island in the Northwest Territories, Canada
Brock Island is an island in Canada. It covers 755 km², with 226 km of coastline. Its highest point rises to 80 m. Nobody lives on it. The nearest mainland is 771 km away.
Getting there
- 771 km from the mainlanddistance to the nearest continental coast
- From December to Aprilbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
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The shape of the land.
On average the island stands 20 m above the sea. 100 % of it is below 200 m.
- 94 %0–50 m
- 6 %50–200 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Size, for real
Next to islands you may know.
20 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | -24 | -25 | -24 | -16 | -6 | 1 | 2 | 1 | -5 | -13 | -18 | -22 |
| Night low (°C) | -28 | -30 | -28 | -20 | -9 | -2 | 0 | -1 | -8 | -16 | -22 | -26 |
| Sea (°C) | -2 | -2 | -2 | -2 | -2 | -1 | -1 | -1 | -1 | -2 | -2 | -2 |
| Rain (mm) | 15 | 13 | 15 | 15 | 17 | 27 | 40 | 41 | 33 | 25 | 18 | 16 |
| Wet days | 3 | 3 | 4 | 4 | 5 | 7 | 9 | 12 | 9 | 7 | 6 | 3 |
| Sun h/day | — | 1.4 | 6.3 | 13.1 | 14.4 | 13.0 | 11.1 | 6.8 | 5.4 | 1.4 | — | — |
| Wind (km/h) | 22 | 21 | 21 | 20 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 22 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | ±0.0 | ±0.0 | ±0.0 | ±0.0 | −0.1 | −0.4 | −0.8 | −0.8 | −0.5 | −0.2 | ±0.0 | ±0.0 |
| 2021 | ±0.0 | ±0.0 | ±0.0 | ±0.0 | −0.1 | −0.4 | −0.9 | −0.8 | −0.6 | −0.2 | ±0.0 | ±0.0 |
| 2022 | ±0.0 | ±0.0 | ±0.0 | ±0.0 | −0.1 | −0.4 | −0.9 | −0.8 | −0.5 | −0.2 | ±0.0 | ±0.0 |
| 2023 | ±0.0 | ±0.0 | ±0.0 | ±0.0 | −0.1 | −0.4 | −0.9 | −0.7 | −0.5 | −0.1 | ±0.0 | ±0.0 |
| 2024 | ±0.0 | ±0.0 | ±0.0 | ±0.0 | −0.1 | −0.3 | −0.9 | −0.8 | −0.5 | −0.1 | ±0.0 | ±0.0 |
| 2025 | ±0.0 | ±0.0 | +0.1 | +0.1 | ±0.0 | −0.2 | −0.8 | −0.7 | −0.4 | ±0.0 | +0.1 | +0.1 |
+1 warmer than usual −1 cooler than usual
Nearby
More islands nearby.
Mackenzie King Island
Canada5,048 km²121 m56 km away
Borden IslandCanada2,713 km²150 m99 km away
Prince Patrick IslandCanada15,848 km²254 m177 km away
Lougheed IslandCanada1,313 km²122 m224 km away
Melville IslandCanada42,149 km²776 m273 km away
Eglinton IslandCanada1,535 km²226 m253 km away
Ellef Ringnes IslandCanada11,295 km²266 m283 km away
King Christian IslandCanada649 km²165 m296 km awayAbout these numbers
| Names, area, population | Wikidata (Q541712) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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