All data are in degrees Celsius. Switch to Fahrenheit
Miura, Japan
Miura, Japan | © Tomy.S

Current water temperature on the Japan coast. Forecast of changes in water temperature. Historical data.

Water temperature in Japan today


Most popular locations in Japan over the past week

Conditions of sea water on beaches in Japan

Now in the beaches in Japan, the water temperature has different values. There are very cold locations, there are cool places, and there are resorts with warm and comfortable water.

The water temperature in Japan tends to decrease, its value has decreased both over the last 10 days and over the month.

Uwajima, Japan
Uwajima, Japan | © 生玉理

Today the warmest water in Japan is recorded in Ishikawa. Its value in this location is 73°F. And the coldest one is in Hokkaido, its value 30°F.

The trend can be seen on the graph. It shows the change in average sea surface temperature over the past two months.

For the two most popular locations for swimming in Japan, the graphs of changes in the average water temperature throughout the year are as follows:

We process, analyze and store data for every beach and city in Japan. Below is a table with current weather data and trends in some places of the country.


Climate in Japan

Takahama, Japan
Takahama, Japan | © jca hiro

Japan is in Asia. The country is washed by five seas, such as the Sea of ​​Japan, the Pacific Ocean, East China Sea, Aki Sea, and the Philippine Sea. Japan is a large resort country and has a long coastline. To determine the temperature of the water in it, we track 195 settlements and resorts.

In the north of the country, the climate is temperate, and in the south - subtropical and tropical monsoon. Summer is quite hot throughout the country - from +30 C in the north to +38 C in the south. In summer, the maximum rainfall is from 700 mm. in the north, up to 1200 in the south, while the humidity is very high, typhoons are frequent. The average temperature in winter is quite low - from -15 C on Hokkaido, to -5 on about. Honshu and up to +16 C on the Ryukyu archipelago. In this case, a sufficiently large amount of snow falls for such a southern latitude. Precipitation in most of the country falls 1700-2000 mm. per year, in the south of the country - up to 4000 mm. The best time to visit the islands is spring (sakura blossom time) and the end of September - early October. At this time, the temperature usually does not fall below 17-20 o C, and air humidity is slightly lower (although cold winds from the mainland are frequent in the spring and typhoons in the fall).

Fukuyama, Japan
Fukuyama, Japan | © Chata Yang

Japan: oceans and seas

We monitor the following oceans and seas that wash the country. Just go to the page for a specific reservoir and see the temperature in all settlements on the coast.

Find out the temperature of sea water in more than 12000 cities and resorts around the world. Water surface temperature values are available in real time. There is a forecast of water temperature changes for the next few days, as well as historical data of sea surface temperature are available for all days of the last years.

We use data from various sources, including National Centers for Environmental Information (NOAA), meteorological services of different countries, data received from more than a thousand buoys around the world, satellite systems for scanning the surface of the oceans and seas.

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The most accurate and complete data on the temperature of seas and oceans on the Internet
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