United StatesVolcanic island
Anatahan
34.1 km² rising to 787 m out of the Philippine Sea.
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
34.1km²
Area
30km
Coastline
787m
Highest point
47
People
30°C
Warmest sea
July
2,718km
To the mainland
When to go to Anatahan
Best for the beach from February to May and in December.
The sea is warmest in July (30 °C) and coolest in February (27 °C). You can swim comfortably all year (21 °C or more).
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 Northern Mariana Islands in the Pacific Ocean
Anatahan is an volcanic island in United States. It covers 34.1 km², with 30 km of coastline. Its highest point rises to 787 m. About 47 people live on it. The nearest mainland is 2,718 km away.
Getting there
- Saipan International Airport (SPN)nearest airport with scheduled flights · 138 km in a straight lineCar hire at LIH airport (Lihue, Kauai)Discover Cars · Affiliate link↗
- 2,718 km from the mainlanddistance to the nearest continental coast
- From February to May and Decemberbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Anatahan.
- 1volcanoes
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
The shape of the land.
On average the island stands 264 m above the sea. 35 % of it is below 200 m.
- 8 %0–50 m
- 27 %50–200 m
- 58 %200–500 m
- 7 %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.
5 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) | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 |
| Night low (°C) | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Sea (°C) | 28 | 27 | 27 | 28 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 28 |
| Rain (mm) | 45 | 27 | 26 | 39 | 37 | 59 | 146 | 276 | 246 | 196 | 80 | 49 |
| Wet days | 9 | 7 | 5 | 6 | 7 | 12 | 23 | 27 | 26 | 23 | 14 | 9 |
| Sun h/day | 7.5 | 7.9 | 9.0 | 9.7 | 10.2 | 9.8 | 8.1 | 6.1 | 6.5 | 7.1 | 8.1 | 7.9 |
| Wind (km/h) | 27 | 28 | 25 | 23 | 20 | 21 | 19 | 20 | 19 | 23 | 27 | 28 |
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 | +0.2 | +0.2 | +0.4 | +0.3 | +0.5 | +1.1 | +0.9 | +0.8 | +0.8 | +0.8 |
| 2021 | +0.9 | +1.0 | +1.3 | +1.4 | +0.6 | +0.8 | +0.6 | +0.2 | +0.3 | +0.7 | +0.9 | +0.7 |
| 2022 | +0.5 | +0.6 | +0.5 | +0.3 | +0.3 | +0.5 | +0.4 | +0.6 | +0.7 | +0.7 | +0.9 | +0.7 |
| 2023 | +0.5 | +0.8 | +0.5 | +0.3 | ±0.0 | −0.1 | +0.4 | +0.7 | +0.3 | +0.3 | +0.4 | +0.6 |
| 2024 | +0.8 | −0.1 | +0.1 | +0.3 | +0.2 | +0.4 | +0.7 | +0.7 | +0.5 | +0.5 | +0.4 | +0.6 |
| 2025 | +1.3 | +1.0 | +0.9 | +0.8 | +0.7 | +0.7 | +0.2 | ±0.0 | +0.4 | +0.7 | +0.7 | +0.7 |
+1 warmer than usual −1 cooler than usual
About these numbers
| Names, area, population | Wikidata (Q487319) · 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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