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Japan JapanIslandUNESCO World Heritage

Amami Ōshima

713 km² rising to 694 m out of the East China Sea.

When to go

Amami Ōshima seen from space, cut out from the sea (Sentinel-2)
AmamiSeisuiTatsugōUkenYamatohama
N 10 km

Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

713km²

Area

487km

Coastline

694m

Highest point

Mount Yuwan

66,000

People

29°C

Warmest sea

August

680km

To the mainland

When to go to Amami Ōshima

Best for the beach from June to September and in November.

The sea is warmest in August (29 °C) and coolest in February (21 °C). You can swim comfortably all year (21 °C or more).

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

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 within Ryukyu Islands

Amami Ōshima is an island in Japan. It covers 713 km², with 487 km of coastline. Its highest point, Mount Yuwan, rises to 694 m. About 66,000 people live on it. The nearest mainland is 680 km away. It is part of a UNESCO World Heritage site.

Read more on Wikipedia

Getting there

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 Amami Ōshima.

  • 51beachesHonohoshi Coast, Yadori Beach and 49 more
  • 16viewpointsDaikuma Observatory Point, Cycad Habitat and 14 more
  • 8lighthouses
  • 7ferry terminals
  • 26named peaksMt. Yuwan, Mt. Kanengo, Mt. Takabachi and 23 more
  • 4waterfallsMateriya Waterfall, Arangachi Waterfall and 2 more
  • 5ruins and archaeological sitesThe Remains of Nanshu Saigo (Site of Saigo and Aikana's House) and 4 more
  • 3dive centresDiving Shop Endless Blue
  • 2campsites
  • 43hotels, guesthouses and apartments
  • 156restaurants, cafés and bars

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

Amami Ōshima in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Amami Ōshima, each with its own numbers.

  • 1beachCoastya
  • 1waterfallCascadyas
  • Beach with the warmest sea

    28.7°C

    Shinokawa Wan

    sea in the warmest month · according to Coastya

1 beaches

on Coastya, the beach atlas

  1. Shinokawa Wancove28.7°C

Open Coastya ↗

1 waterfalls

on Cascadyas, the waterfall atlas

  1. Fūchiburu Falls

Cascadyas is coming soonOpen Cascadyas ↗

The shape of the land.

On average the island stands 172 m above the sea. 60 % of it is below 200 m.

  • 18 %0–50 m
  • 42 %50–200 m
  • 40 %200–500 m
  • <1 %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.

Amami Ōshima713 km²
Madeira Island742 km²
Tenerife2,038 km²

50 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Towns on the island

  • Amami41,390 people
  • Naze41,365 people
  • Seisui8,546 people
  • Tatsugō5,992 people
  • Uken1,843 people
  • Yamatohama1,364 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)181819212426293028262319
Night low (°C)161617192225282827242117
Sea (°C)222121222426282928272523
Rain (mm)81761181642383531571581711349587
Wet days151316161824192018161414
Sun h/day1.92.43.34.14.64.48.38.06.55.13.52.1
Wind (km/h)272626232022212222252427

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020+0.1+0.1+0.5−0.2−0.2+0.1+0.1+1.4−0.2+0.4+0.7+0.5
2021+0.2+0.2+0.9+0.6+0.3+0.3−0.1−0.5+0.7+0.7−0.1−0.1
2022−0.1−0.5±0.0+1.0+0.5−0.2+0.2+1.2+0.7+0.5+0.2+0.2
2023+0.2+0.3+0.4+0.4±0.0−0.3+0.2−0.4+0.6+0.7+0.9+0.9
2024+0.6+0.8+0.4+1.0+0.6+0.4+1.4+1.8+1.0+1.6+2.0+0.7
2025±0.0−0.3+0.1−0.3±0.0+1.2+0.4+0.6+1.7+2.3+1.4+0.7

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Amami city1
Vanquish0 · CC BY-SA 3.0
World Heritage promotion movement in Amami-Ōshima 06
Indiana jo · CC BY-SA 4.0
Mangrove forest in Amami Oshima
Indiana jo · CC BY-SA 4.0
Irabucha for sale Amami Oshima
KQuhen · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q697278) · CC0
Outline© OpenStreetMap contributors · ODbL
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit