United States
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
883km²
Area
279km
Coastline
898m
Highest point
0
People
10°C
Warmest sea
August
703km
To the mainland
When to go to Attu Island
Good all year round.
The sea is warmest in August (10 °C) and coolest in February (3 °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 Aleutians West Census Area, Alaska, United States
Attu Island is an island in United States. It covers 883 km², with 279 km of coastline. Its highest point rises to 898 m. Nobody lives on it. The nearest mainland is 703 km away.
Getting there
- 703 km from the mainlanddistance to the nearest continental coast
Plan the trip
Ferries, stays and things to do
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On the island
What you find on Attu Island.
- 27beachesNevidiskov Beach, Kearney Beach, Elliot Beach and 24 more
- 31named peaksAttu Mountain, Devils Mountain, Cold Mountain and 28 more
- 1waterfallsAmna Waterfall
- 2ruins and archaeological sites
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
Cross-checked with our atlases
Attu Island in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Attu Island, each with its own numbers.
21beaches and covesCoastya
2lakesLakeyas
Largest lake
1.6km²
Lake Nicholas
according to Lakeyas
Beach with the warmest sea
9.9°C
Birch Beach
sea in the warmest month · according to Coastya
21 beaches
on Coastya, the beach atlas
- Birch Beach9.9°C
- Chirikof Beach9.7°C
- Eckman Beach9.7°C
- Elliott Beach9.7°C
- Kearney Beach9.7°C
- Sonom Beach9.6°C
- Smith Beach9.9°C
- Center Beach9.9°C
13 more on CoastyaOpen Coastya ↗
2 lakes
on Lakeyas, the lake atlas
- Lake Nicholas1.6km²
- Etienne Lake0.65km²
Lakeyas is coming soonOpen Lakeyas ↗
The shape of the land.
On average the island stands 291 m above the sea. 40 % of it is below 200 m.
- 14 %0–50 m
- 25 %50–200 m
- 42 %200–500 m
- 18 %500–1,000 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.
50 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) | 1 | 1 | 2 | 3 | 4 | 7 | 9 | 11 | 10 | 8 | 4 | 2 |
| Night low (°C) | -1 | -1 | 0 | 1 | 3 | 5 | 8 | 10 | 9 | 6 | 3 | 0 |
| Sea (°C) | 4 | 3 | 3 | 3 | 4 | 6 | 8 | 10 | 10 | 8 | 6 | 4 |
| Rain (mm) | 83 | 87 | 88 | 77 | 66 | 77 | 85 | 113 | 100 | 108 | 107 | 98 |
| Wet days | 20 | 20 | 20 | 17 | 15 | 13 | 16 | 18 | 16 | 18 | 20 | 21 |
| Sun h/day | 1.1 | 1.9 | 3.4 | 3.9 | 3.6 | 2.7 | 2.8 | 3.0 | 3.8 | 3.1 | 1.3 | 0.7 |
| Wind (km/h) | 34 | 35 | 33 | 31 | 26 | 22 | 19 | 21 | 28 | 32 | 35 | 36 |
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 | +0.1 | +0.6 | +0.6 | +0.9 | +0.6 | +0.8 | +0.4 | −0.6 | −0.6 | −0.4 | ±0.0 | +0.1 |
| 2021 | +0.2 | +0.3 | +0.3 | +0.6 | +0.7 | +1.0 | +1.1 | +1.5 | +1.1 | +0.1 | +0.5 | +0.7 |
| 2022 | +0.8 | +0.8 | +0.6 | +0.8 | +0.9 | +0.8 | +1.7 | +1.2 | +0.6 | ±0.0 | +1.0 | +1.3 |
| 2023 | +0.6 | +0.7 | +0.3 | +0.3 | +0.3 | +0.1 | +0.7 | +1.0 | +1.6 | +1.8 | +1.2 | +0.6 |
| 2024 | +0.1 | +0.1 | −0.3 | −0.1 | −0.3 | +0.1 | +0.3 | +0.2 | −0.2 | +0.2 | +0.2 | +0.9 |
| 2025 | +0.7 | +0.7 | +0.4 | +0.8 | +0.6 | +0.2 | +0.7 | +1.2 | +0.8 | +0.9 | +0.3 | +0.6 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
RussiaAbout these numbers
| Names, area, population | Wikidata (Q758260) · 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 |
| Beaches, mountains, lakes and waterfalls | Coastya, Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · CC BY 4.0 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
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