Sea temperature in Japan sea temperature in real time, 7-day forecast and historical data
Do you want to go to the beach to swim in Japan today? Check if the sea temperature is pleasant with our data, updated daily, in real time, and our weather forecast for the next few days, by city in Japan.
Sea temperature in Japan today
On the map below, find the water temperature measured today for different cities in Japan.
Water temperature in Japan by city
Below, find the current sea temperature and weather conditions in several coastal cities in Japan.
Direct access: Kantō | Kyushu | Chūgoku | Shikoku | Chūbu | Okinawa | Kansai | Hokkaidō | Tōhoku | Ogasawara
Kantō
Sea temperature in Tokyo: 59°F
Today's weather conditions: Outside temperature min/max: 61°F/68°F • Wind speed: 3.1mph • Waves: 0.3ft (0.3ft maximum) every 1.9 seconds
Sea temperature in Hakone: 61°F
Today's weather conditions: Outside temperature min/max: 61°F/68°F • Wind speed: 4.4mph • Waves: 1.3ft (1.3ft maximum) every 8.6 secondsSea temperature in Kamakura: 61°F
Today's weather conditions: Outside temperature min/max: 63°F/70°F • Wind speed: 3.7mph • Waves: 1ft (0.7ft maximum) every 8.3 secondsSea temperature in Yokohama: 61°F
Today's weather conditions: Outside temperature min/max: 63°F/70°F • Wind speed: 3.7mph • Waves: 1ft (0.7ft maximum) every 8.3 secondsSea temperature in Asahi: 59°F
Today's weather conditions: Outside temperature min/max: 61°F/68°F • Wind speed: 5mph • Waves: 3.3ft (3ft maximum) every 9.7 seconds
Kyushu
Sea temperature in Fukuoka: 56°F
Today's weather conditions: Outside temperature min/max: 56°F/65°F • Wind speed: 1.9mph • Waves: 1.6ft (0.3ft maximum) every 1.4 seconds
Sea temperature in Kagoshima (Kyushu): 62°F
Today's weather conditions: Outside temperature min/max: 56°F/65°F • Wind speed: 6.8mph • Waves: 0.7ft (0.7ft maximum) every 0.1 secondsSea temperature in Nagasaki: 58°F
Today's weather conditions: Outside temperature min/max: 58°F/65°F • Wind speed: 7.5mph • Waves: 1.6ft (3ft maximum) every 6.3 secondsSea temperature in Amami islands: 68°F
Today's weather conditions: Outside temperature min/max: 68°F/72°F • Wind speed: 18mph • Waves: 4.6ft (3.9ft maximum) every 11.2 seconds
Sea temperature in Goto islands: 58°F
Today's weather conditions: Outside temperature min/max: 61°F/65°F • Wind speed: 20.5mph • Waves: 4.6ft (4.6ft maximum) every 6.2 seconds
Chūgoku
Sea temperature in Hiroshima: 54°F
Today's weather conditions: Outside temperature min/max: 54°F/63°F • Wind speed: 2.5mph • Waves: 1.6ft (0.3ft maximum) every 1.6 secondsSea temperature in Izumo: 58°F
Today's weather conditions: Outside temperature min/max: 56°F/65°F • Wind speed: 4.4mph • Waves: 1ft (2ft maximum) every 4.2 secondsSea temperature in Okayama: 56°F
Today's weather conditions: Outside temperature min/max: 58°F/63°F • Wind speed: 3.7mph • Waves: 1.6ft (0.7ft maximum) every 8.2 secondsSea temperature in Kure: 56°F
Today's weather conditions: Outside temperature min/max: 56°F/61°F • Wind speed: 1.9mph • Waves: 1ft (0.3ft maximum) every 1.7 secondsSea temperature in Matsue: 56°F
Today's weather conditions: Outside temperature min/max: 56°F/67°F • Wind speed: 6.8mph • Waves: 1.3ft (2.3ft maximum) every 4.3 seconds
Shikoku
Sea temperature in Kochi: 67°F
Today's weather conditions: Outside temperature min/max: 59°F/67°F • Wind speed: 3.1mph • Waves: 1.3ft (1ft maximum) every 6.4 secondsSea temperature in Takamatsu: 53°F
Today's weather conditions: Outside temperature min/max: 58°F/63°F • Wind speed: 3.7mph • Waves: 1ft (0.7ft maximum) every 8.2 secondsSea temperature in Tokushima: 57°F
Today's weather conditions: Outside temperature min/max: 58°F/67°F • Wind speed: 6.2mph • Waves: 0.7ft (1.3ft maximum) every 7.5 secondsSea temperature in Muroto: 63°F
Today's weather conditions: Outside temperature min/max: 65°F/67°F • Wind speed: 6.8mph • Waves: 1.6ft (1.6ft maximum) every 11.1 secondsSea temperature in Tosashimizu: 65°F
Today's weather conditions: Outside temperature min/max: 63°F/68°F • Wind speed: 5.6mph • Waves: 2ft (2ft maximum) every 10 seconds
Chūbu
Sea temperature in Nagoya: 58°F
Today's weather conditions: Outside temperature min/max: 59°F/67°F • Wind speed: 2.5mph • Waves: 0.7ft (0.7ft maximum) every 8.8 secondsSea temperature in Kanazawa: 52°F
Today's weather conditions: Outside temperature min/max: 58°F/61°F • Wind speed: 8.1mph • Waves: 1ft (1.3ft maximum) every 7.5 secondsSea temperature in Izu: 61°F
Today's weather conditions: Outside temperature min/max: 59°F/67°F • Wind speed: 5.6mph • Waves: 1.6ft (1ft maximum) every 7.7 secondsSea temperature in Niigata: 50°F
Today's weather conditions: Outside temperature min/max: 50°F/54°F • Wind speed: 7.5mph • Waves: 3ft (4.3ft maximum) every 7.2 secondsSea temperature in Sado island: 49°F
Today's weather conditions: Outside temperature min/max: 49°F/54°F • Wind speed: 6.2mph • Waves: 3.6ft (0.3ft maximum) every 7.2 seconds
Okinawa
Sea temperature in Okinawa: 70°F
Today's weather conditions: Outside temperature min/max: 70°F/76°F • Wind speed: 13.1mph • Waves: 3.6ft (3.9ft maximum) every 12 secondsSea temperature in Miyakojima: 76°F
Today's weather conditions: Outside temperature min/max: 70°F/79°F • Wind speed: 16.2mph • Waves: 4.6ft (3ft maximum) every 13 secondsSea temperature in Nago: 70°F
Today's weather conditions: Outside temperature min/max: 68°F/76°F • Wind speed: 13.7mph • Waves: 4.3ft (3.6ft maximum) every 11.9 secondsSea temperature in Naha: 70°F
Today's weather conditions: Outside temperature min/max: 70°F/74°F • Wind speed: 14.9mph • Waves: 3.9ft (3.6ft maximum) every 12 seconds
Sea temperature in Aguni-jima: 70°F
Today's weather conditions: Outside temperature min/max: 72°F/74°F • Wind speed: 16.8mph • Waves: 3.9ft (3.6ft maximum) every 12 seconds
Kansai
Sea temperature in Osaka: 58°F
Today's weather conditions: Outside temperature min/max: 59°F/72°F • Wind speed: 3.1mph • Waves: 2ft (0.3ft maximum) every 1.7 secondsSea temperature in Kobe: 59°F
Today's weather conditions: Outside temperature min/max: 59°F/68°F • Wind speed: 1.9mph • Waves: 0.7ft (0.3ft maximum) every 7.1 secondsSea temperature in Ise: 58°F
Today's weather conditions: Outside temperature min/max: 59°F/67°F • Wind speed: 3.7mph • Waves: 0.7ft (0.7ft maximum) every 9.1 secondsSea temperature in Kumano Kodo: 61°F
Today's weather conditions: Outside temperature min/max: 59°F/70°F • Wind speed: 11.8mph • Waves: 3ft (3.6ft maximum) every 10.6 secondsSea temperature in Maizuru: 54°F
Today's weather conditions: Outside temperature min/max: 54°F/63°F • Wind speed: 5mph • Waves: 0.3ft (0.7ft maximum) every 4.6 seconds
Hokkaidō
Sea temperature in Sapporo (Hokkaido): 45°F
Today's weather conditions: Outside temperature min/max: 40°F/41°F • Wind speed: 16.2mph • Waves: 3.6ft (4.9ft maximum) every 5.5 secondsSea temperature in Abashiri: 32°F
Today's weather conditions: Outside temperature min/max: 34°F/36°F • Wind speed: 29.2mph • Waves: 4.6ft (6.2ft maximum) every 6.5 secondsSea temperature in Hakodate: 45°F
Today's weather conditions: Outside temperature min/max: 45°F/50°F • Wind speed: 16.2mph • Waves: 2ft (2.6ft maximum) every 5.1 secondsSea temperature in Monbetsu: 32°F
Today's weather conditions: Outside temperature min/max: 34°F/36°F • Wind speed: 20.5mph • Waves: 4.6ft (5.9ft maximum) every 6.2 seconds
Sea temperature in Shiretoko National Park: 32°F
Today's weather conditions: Outside temperature min/max: 32°F/34°F • Wind speed: 18mph • Waves: 5.2ft (5.9ft maximum) every 6.3 seconds
Tōhoku
Sea temperature in Akita: 49°F
Today's weather conditions: Outside temperature min/max: 49°F/49°F • Wind speed: 14.9mph • Waves: 3ft (3.9ft maximum) every 1 secondsSea temperature in Aomori: 43°F
Today's weather conditions: Outside temperature min/max: 47°F/50°F • Wind speed: 24.2mph • Waves: 3ft (4.6ft maximum) every 0.1 seconds
Sea temperature in Sendai (Honshu): 50°F
Today's weather conditions: Outside temperature min/max: 54°F/63°F • Wind speed: 11.2mph • Waves: 3ft (3.6ft maximum) every 10.8 secondsSea temperature in Hachinohe: 43°F
Today's weather conditions: Outside temperature min/max: 47°F/52°F • Wind speed: 23.6mph • Waves: 7.5ft (5.9ft maximum) every 10.2 secondsSea temperature in Ishinomaki: 49°F
Today's weather conditions: Outside temperature min/max: 50°F/58°F • Wind speed: 25.5mph • Waves: 3.9ft (6.2ft maximum) every 9.9 seconds
Ogasawara
Sea temperature in Ogasawara Islands: 72°F
Today's weather conditions: Outside temperature min/max: 61°F/68°F • Wind speed: 5.6mph • Waves: 7.5ft (3.6ft maximum) every 10.7 seconds
Water temperature in Japan by month
Below, find the average temperature variation of the sea in Japan for the cities of: Tokyo, Fukuoka, Hiroshima, Kochi and Nagoya.