Yakushima Sea Temperature

Looking to find out what the sea water temperature in Yakushima is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Yakushima and nearby locations.

Water temperature in Yakushima right now

Below is the current sea temperature for Yakushima, Japan on 19th April 2024.

21.06° C

(69.9° F)

  • yesterday: 21.16° C (70.08° F)
  • a week ago: 20.67° C (69.21° F)

Water at this temperature is very pleasant to swim in and if you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

The average sea temperature for Yakushima on April 19th over the last 10 years is 21.07° C (69.92° F), with a low temperature of 18.98° C (66.16° F) and a high of 23.01° C (73.42° F).

Analysis and forecast for Yakushima water temperatures

The water temperature in Yakushima today is lower than the average temperature of 21.07° C (69.92° F) and the temperature on this day last year, 19th April 2023, was 21.11° C (70° F).

The chart and table below shows the change in water temperature in Yakushima over the last 30 days:

Date Temperature (Celsius) Temperature (Fahrenheit)
April 19 21.06° C 69.9° F
April 18 21.16° C 70.08° F
April 17 22.76° C 72.97° F
April 16 22.24° C 72.03° F
April 15 21.92° C 71.46° F
April 14 20.11° C 68.2° F
April 13 20.69° C 69.24° F
April 12 20.67° C 69.21° F
April 11 20.54° C 68.97° F
April 10 19.86° C 67.75° F
April 9 20.19° C 68.34° F
April 8 20.52° C 68.94° F
April 7 19.52° C 67.14° F
April 6 20.17° C 68.31° F
April 5 20.09° C 68.16° F
April 4 20.43° C 68.77° F
April 3 20.7° C 69.26° F
April 2 20.59° C 69.06° F
April 1 20.4° C 68.72° F
March 31 20.34° C 68.61° F
March 30 20.08° C 68.14° F
March 29 19.93° C 67.87° F
March 28 20.17° C 68.31° F
March 27 20.51° C 68.92° F
March 26 20.69° C 69.24° F
March 25 20.97° C 69.75° F
March 24 20.99° C 69.78° F
March 23 20.99° C 69.78° F
March 22 21.06° C 69.91° F
March 21 21.22° C 70.2° F
March 20 21.44° C 70.59° F

The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.

Water temperature in Yakushima by month

The chart below shows the monthly average water temperature in Yakushima.

For more detailed information on how the sea temperature in Yakushima changes for each month of the year, choose from the months below.

Yakushima map and nearby water temperatures

The highest temperature in Japan today is 25.63° C (78.13° F) in Yonakuni. The lowest is in Hojo, where the temperature of the water is 1.82° C (35.27° F).

Why measure sea surface temperatures (SST) in Yakushima?

The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Yakushima because they want to understand and learn how the ocean communicates with the atomosphere of Earth.

SST is one measure that provides information on the global climate, and it can be used to predict the weather in Yakushima as well as atmospheric model simulations and to study marine ecosystems in the area.

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Yakushima comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.

The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.

If you'd like to use any of the information above in the format it is presented, please use the citation tool below.

  • "Yakushima Sea Temperature". SeaTemperatures.net. Accessed on April 19, 2024. http://seatemperatures.net/asia/japan/yakushima/.

  • "Yakushima Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/asia/japan/yakushima/. Accessed 19 April, 2024

  • Yakushima Sea Temperature. SeaTemperatures.net. Retrieved from http://seatemperatures.net/asia/japan/yakushima/.