# Japan water temperature

The sea around Japan is 26 °C to 27 °C at the surface right now. Over the next 7 days it stays between 25 °C and 27 °C.

The water stays close to the surface temperature down to about 6–56 m at the sites we follow; deeper it gets colder.

Most divers here need a 3 mm wetsuit today.

## Next 7 days

| Day | Surface |
|---|---|
| Sun 15 Nov | 26–27 °C |
| Mon 16 Nov | 26–27 °C |
| Tue 17 Nov | 26–27 °C |
| Wed 18 Nov | 26–27 °C |
| Thu 19 Nov | 25–27 °C |
| Fri 20 Nov | 25–27 °C |
| Sat 21 Nov | 25–27 °C |

## By dive site

| Site | Now | Today | Warm down to | Suit |
|---|---|---|---|---|
| [Miyara Offshore Yatanitei-mae](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/miyara-offshore-yatanitei-mae) (Ishigaki) | 26.7 °C | 27 °C | past 56 m | 3 mm |
| [Sakuraguchi](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/sakuraguchi) (Ishigaki) | 26.7 °C | 27 °C | past 29 m | 3 mm |
| [通り池](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/miyakojima/site-miyakojima-18) (Miyakojima) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [クロスホール](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/miyakojima/site-miyakojima-12) (Miyakojima) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Taketomi South Jagaimo](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/site-ishigaki-11) (Ishigaki) | 26.6 °C | 27 °C | past 6 m | 3 mm |
| [Aragusuku Ripana](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/aragusuku-ripana) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Aragusuku Ryugu no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/aragusuku-ryugu-no-ne) (Ishigaki) | 26.6 °C | 27 °C | past 29 m | 3 mm |
| [Hateruma East Canyon](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/hateruma-east-canyon) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Hateruma Yasuragi no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/hateruma-yasuragi-no-ne) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Kuroshima April Fool](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kuroshima-april-fool) (Ishigaki) | 26.6 °C | 26–27 °C | past 56 m | 3 mm |
| [Kuroshima Kinme no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kuroshima-kinme-no-ne) (Ishigaki) | 26.6 °C | 26–27 °C | past 56 m | 3 mm |
| [Kuroshima T-Naka Garden](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kuroshima-t-naka-garden) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Kuroshima V-ji](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kuroshima-v-ji) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Kuroshima V-ji II](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kuroshima-v-ji-2) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Miyara Bay Naka-no-se](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/miyara-bay-naka-no-se) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Miyara Marube-ishi](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/miyara-marube-ishi) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Taketomi South Big Drop-off](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-south-big-drop-off) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Taketomi South Bitaro no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-south-bitaro-no-ne) (Ishigaki) | 26.6 °C | 27 °C | past 29 m | 3 mm |
| [Taketomi South Blue Submarine](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-south-blue-submarine) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Taketomi South Sand Rock](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-south-sand-rock) (Ishigaki) | 26.6 °C | 27 °C | past 56 m | 3 mm |
| [Taketomi South Shark Home](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-south-shark-home) (Ishigaki) | 26.6 °C | 27 °C | past 6 m | 3 mm |
| [アントニオ・ガウディ](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/miyakojima/site-miyakojima-6) (Miyakojima) | 26.5 °C | 27 °C | past 29 m | 3 mm |
| [中ノ島チャネル](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/miyakojima/site-miyakojima-3) (Miyakojima) | 26.5 °C | 27 °C | past 29 m | 3 mm |
| [Kuroshima Blue Seal](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kuroshima-blue-seal) (Ishigaki) | 26.5 °C | 27 °C | past 56 m | 3 mm |
| [Nagura Akakukuri no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/nagura-akakukuri-no-ne) (Ishigaki) | 26.5 °C | 26–27 °C | past 34 m | 3 mm |
| [Taketomi North Kaitei Onsen](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-north-kaitei-onsen) (Ishigaki) | 26.5 °C | 26–27 °C | past 6 m | 3 mm |
| [Taketomi Northwest Deppa](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-northwest-deppa) (Ishigaki) | 26.5 °C | 27 °C | past 6 m | 3 mm |
| [Taketomi South Tokakin no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/taketomi-south-tokakin-no-ne) (Ishigaki) | 26.5 °C | 27 °C | past 6 m | 3 mm |
| [Kanokawa Bay Indiana Jones](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/iriomote/kanokawa-bay-indiana-jones) (Iriomote) | 26.4 °C | 26 °C | past 56 m | 3 mm |
| [Kanokawa Bay Naka-no-se](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/iriomote/kanokawa-bay-naka-no-se) (Iriomote) | 26.4 °C | 26 °C | past 56 m | 3 mm |
| [Arakawa Double Arch](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/arakawa-double-arch) (Ishigaki) | 26.3 °C | 26 °C | past 56 m | 3 mm |
| [Sakieda Big Arch](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/sakieda-big-arch) (Ishigaki) | 26.3 °C | 26 °C | past 56 m | 3 mm |
| [Sakieda Meiro](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/sakieda-meiro) (Ishigaki) | 26.3 °C | 26 °C | past 56 m | 3 mm |
| [Sukuji Offshore Gurukun no Ne](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/sukuji-offshore-gurukun-no-ne) (Ishigaki) | 26.3 °C | 26 °C | past 56 m | 3 mm |
| [Kabira Ishizaki Manta Scramble](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/site-ishigaki-20) (Ishigaki) | 26.2 °C | 26 °C | past 56 m | 3 mm |
| [Osaki Hanagoi Reef](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/site-ishigaki-8) (Ishigaki) | 26.2 °C | 26 °C | past 34 m | 3 mm |
| [Osaki Minokasago Kyuden](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/site-ishigaki-7) (Ishigaki) | 26.2 °C | 26 °C | past 34 m | 3 mm |
| [Agenashiku Adan-shita](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/agenashiku-adan-shita) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Gahijima Butsubutsu Sango](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/gahijima-butsubutsu-sango) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Hamajima East Tenjiku](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/hamajima-east-tenjiku) (Ishigaki) | 26.2 °C | 26 °C | past 6 m | 3 mm |
| [Hamajima North Mitsuishi](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/hamajima-north-mitsuishi) (Ishigaki) | 26.2 °C | 26 °C | past 56 m | 3 mm |
| [Maehama](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/maehama-aka) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Nishihama](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/nishihama) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Nishihama North](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/nishihama-north) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Ojima](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/ojima-kerama) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Sakubaru Gyosho](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/sakubaru-gyosho) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Sakubaru no Hana](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/sakubaru-no-hana) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Shimosone](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/shimosone) (Zamami) | 26.2 °C | 26 °C | past 40 m | 3 mm |
| [Uganzaki Todai-shita](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/uganzaki-todai-shita) (Ishigaki) | 26.2 °C | 26 °C | past 56 m | 3 mm |
| [Uganzaki Turtle Garden](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/uganzaki-turtle-garden) (Ishigaki) | 26.2 °C | 26 °C | past 56 m | 3 mm |
| [Uganzaki Umeiroad](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/uganzaki-umeiroad) (Ishigaki) | 26.2 °C | 26 °C | past 56 m | 3 mm |
| [Yarabuzaki Corner](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/yarabuzaki-corner) (Ishigaki) | 26.2 °C | 26 °C | past 34 m | 3 mm |
| [Yonehara Double Reef](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/yonehara-double-reef) (Ishigaki) | 26.2 °C | 26 °C | past 56 m | 3 mm |
| [Unse](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/site-okinawa-island-16) (Zamami) | 26.1 °C | 26 °C | past 56 m | 3 mm |
| [Amuro Gyosho](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/amuro-gyosho) (Zamami) | 26.1 °C | 26 °C | past 40 m | 3 mm |
| [Gahijima Kaitei Sabaku](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/gahijima-kaitei-sabaku) (Zamami) | 26.1 °C | 26 °C | past 40 m | 3 mm |
| [Hirase](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/hirase-kerama) (Zamami) | 26.1 °C | 26 °C | past 56 m | 3 mm |
| [Kubajima North Tunnel Course](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/kubajima-north-tunnel-course) (Zamami) | 26.1 °C | 26 °C | past 56 m | 3 mm |
| [Kubajima West Kakurene](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/kubajima-west-kakurene) (Zamami) | 26.1 °C | 26 °C | past 56 m | 3 mm |
| [Off Ama Beach](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/off-ama-beach) (Zamami) | 26.1 °C | 26 °C | past 56 m | 3 mm |
| [Shiru](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/shiru) (Zamami) | 26.1 °C | 26 °C | past 40 m | 3 mm |
| [Uchizan Reef](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/uchizan-reef) (Zamami) | 26.1 °C | 26 °C | past 56 m | 3 mm |
| [Blue Cave](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/okinawa-island/blue-cave-okinawa-island) (Okinawa Island) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Ugan](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/ugan) (Zamami) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Gina](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/gina) (Zamami) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Kayama North](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kayama-north) (Ishigaki) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Kohama North Oranda](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kohama-north-oranda) (Ishigaki) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Kohama West Suzumedai House](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/kohama-west-suzumedai-house) (Ishigaki) | 26.0 °C | 26 °C | past 6 m | 3 mm |
| [Kubajima East](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/kubajima-east) (Zamami) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Taka-chinshi](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/taka-chinshi) (Zamami) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Yakabijima Naka-chinshi](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/yakabijima-naka-chinshi) (Zamami) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Yakabijima Tunnel Course](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/zamami/yakabijima-tunnel-course) (Zamami) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Yonara Channel Manta Road](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/ishigaki/yonara-channel-manta-road) (Ishigaki) | 26.0 °C | 26 °C | past 56 m | 3 mm |
| [Sunabe – Chatan](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/okinawa-island/sunabe-chatan) (Okinawa Island) | 25.9 °C | 26 °C | past 11 m | 3 mm |
| [Manza Coral](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/okinawa-island/manza-coral) (Okinawa Island) | 25.9 °C | 26 °C | past 29 m | 3 mm |
| [Toilet Bowl](https://scubaforecast.com/scuba-diving-weather/japan/okinawa-prefecture/okinawa-island/toilet-bowl) (Okinawa Island) | 25.9 °C | 26 °C | past 29 m | 3 mm |

Surface temperature from the Open-Meteo marine forecast; temperature at depth, where available, from Copernicus Marine models (daily averages). Both are model estimates.

## Water temperature by area

- [Okinawa Prefecture](https://scubaforecast.com/water-temperature/japan/okinawa-prefecture)

## Links

- [This page on the web](https://scubaforecast.com/water-temperature/japan)
- [Diving conditions in Japan](https://scubaforecast.com/scuba-diving-weather/japan)

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Weather data by Open-Meteo.com (CC BY 4.0). Map data © OpenStreetMap contributors (ODbL). Temperature at depth generated using E.U. Copernicus Marine Service Information.