Sea temperature in Asahi in Japan real-time sea temperature, 7-day forecast and historical data
Do you want to swim in the sea in Asahi in Japan today? First, check if the sea temperature is appropriate for swimming with our data that is updated daily, and our water temperature forecast in Asahi for the next few days.
Temperature of the sea in Asahi today
Currently, the sea water temperature in Asahi is at most:
65°F
(or 5° lower than the seasonal norm)
Other useful information about today's weather:
- Outside temperature: 65°F to 72°F
- Heavy rain
- The wind is blowing at 39.8mph
- Wave height is 11.5ft on average, and 8.2ft at most, with a frequency of a wave every 11.1 seconds.
- More details on the sea weather of Asahi page
This report was generated on 03/06/2026
7 day sea water temperature forecast in Asahi
Discover the weather forecast for the water temperature in Asahi for the next 7 days below. You will also find the 7-day forecast for outside temperature and wave height. For more details, hour by hour, see the chart below the listing.
Wednesday 3 June 2026
sea temperature:
65°F
Wave height: 2.3ft to 12.8ft
Outside temperature: 65°F to 72°F
Thursday 4 June 2026
sea temperature:
65°F
Wave height: 8.2ft to 9.5ft
Outside temperature: 63°F to 68°F
Friday 5 June 2026
sea temperature:
68°F
Wave height: 9.2ft to 11.8ft
Outside temperature: 61°F to 65°F
Saturday 6 June 2026
sea temperature:
68°F
Wave height: 7.9ft to 10.8ft
Outside temperature: 61°F to 65°F
Sunday 7 June 2026
sea temperature:
65°F
Wave height: 5.2ft to 7.9ft
Outside temperature: 65°F to 68°F
Monday 8 June 2026
sea temperature:
65°F
Wave height: 4.9ft to 10.5ft
Outside temperature: 68°F to 72°F
Tuesday 9 June 2026
sea temperature:
65°F
Wave height: 3.6ft to 7.2ft
Outside temperature: 68°F to 72°F
Chart of water temperature variation over 7 days
History of water temperature in Asahi
We record the water temperature daily in Asahi In this way, we can provide you with the average sea temperature in Asahi over the last 24 months and a more detailed chart for recent months.
Monthly sea temperature averages over 24 months
- june 2026
- Average water temperature: 65°F (65°F)
- may 2026
- Average water temperature: 63°F (59°F to 68°F)
- april 2026
- Average water temperature: 59°F (56°F to 63°F)
- march 2026
- Average water temperature: 60°F (56°F to 61°F)
- february 2026
- Average water temperature: 61°F (56°F to 63°F)
- january 2026
- Average water temperature: 63°F (61°F to 63°F)
- december 2025
- Average water temperature: 66°F (61°F to 68°F)
- november 2025
- Average water temperature: 69°F (67°F to 72°F)
- october 2025
- Average water temperature: 73°F (70°F to 76°F)
- september 2025
- Average water temperature: 75°F (74°F to 78°F)
- august 2025
- Average water temperature: 75°F (74°F to 77°F)
- july 2025
- Average water temperature: 73°F (70°F to 76°F)
- june 2025
- Average water temperature: 68°F (65°F to 72°F)
- may 2025
- Average water temperature: 62°F (59°F to 67°F)
- april 2025
- Average water temperature: 57°F (56°F to 61°F)
- march 2025
- Average water temperature: 58°F (54°F to 61°F)
- february 2025
- Average water temperature: 60°F (59°F to 61°F)
- january 2025
- Average water temperature: 62°F (59°F to 65°F)
- december 2024
- Average water temperature: 66°F (63°F to 70°F)
- november 2024
- Average water temperature: 71°F (68°F to 72°F)
- october 2024
- Average water temperature: 73°F (70°F to 80°F)
- september 2024
- Average water temperature: 77°F (74°F to 80°F)
- august 2024
- Average water temperature: 76°F (72°F to 77°F)
- july 2024
- Average water temperature: 72°F (68°F to 74°F)
Variation of water temperature in Asahi over the past 2 months
Warning:
The information provided on this page regarding the sea temperature in Asahi is for informational purposes only. It is the surface temperature of the sea measured by satellite, based on data available at the time of consultation. These data may vary depending on several factors such as local weather conditions, tides, and other variables. We therefore recommend consulting additional local sources for updated information before making any decisions based on this data.