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.

  • Météo actuelle

    Sea temperature in Tokyo: 79°C

    Today's weather conditions: Outside temperature min/max: 21°C/23°C • Wind speed: 64km/h • Waves: 7.5ft (7.2ft maximum) every 9.3 seconds

    Today's sea temperature in Tokyo

  • Météo actuelle

    Sea temperature in Kobe: 77°C

    Today's weather conditions: Outside temperature min/max: 22°C/25°C • Wind speed: 13km/h • Waves: 0.3ft (1ft maximum) every 3.2 seconds

    Today's sea temperature in Kobe

  • Météo actuelle

    Sea temperature in Osaka: 77°C

    Today's weather conditions: Outside temperature min/max: 22°C/25°C • Wind speed: 13km/h • Waves: 0.3ft (1ft maximum) every 3.2 seconds

    Today's sea temperature in Osaka

  • Météo actuelle

    Sea temperature in Sapporo (Hokkaido): 72°C

    Today's weather conditions: Outside temperature min/max: 17°C/19°C • Wind speed: 19km/h • Waves: 0.3ft (1.3ft maximum) every 2.5 seconds

    Today's sea temperature in Sapporo (Hokkaido)

  • Météo actuelle

    Sea temperature in Naha (Okinawa): 85°C

    Today's weather conditions: Outside temperature min/max: 27°C/28°C • Wind speed: 20km/h • Waves: 2.3ft (2.6ft maximum) every 7.5 seconds

    Today's sea temperature in Naha (Okinawa)

Display all cities

Water temperature in Japan by month

Below, find the average temperature variation of the sea in Japan for the cities of: Tokyo, Kobe, Osaka, Sapporo (Hokkaido) and Naha (Okinawa).

Change units