All data are in degrees Fahrenheit

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Water temperature in Ōita

Detailed information about the current water temperature in Ōita. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Ōita now

83.5

°F

August 5, 18:58

Trend:

stable

Yesterday:

82.3°F

Tomorrow:

83.3°F

Sunrise:

05:29

Sunset:

19:10

Day Length:

13 h. 41 min.

Ōita in August

Minimum:

57.6°F

Average:

59.0°F

Maximum:

60.2°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 83.5°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 87.4°F on 2024, while the historical minimum was 79.6°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 82.8°F, the minimum temperature may reach 82.2°F, and the maximum might stay at 83.5°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Jul 22 78.4°F 81.4°F 78.8°F
Jul 23 79.6°F 81.3°F 78.9°F
Jul 24 80.3°F 81.6°F 79.2°F
Jul 25 79.0°F 81.9°F 79.2°F
Jul 26 78.5°F 81.6°F 79.1°F
Jul 27 77.9°F 80.4°F 79.3°F
Jul 28 78.1°F 81.5°F 79.8°F
Jul 29 79.6°F 82.7°F 80.4°F
Jul 30 80.6°F 82.1°F 80.6°F
Jul 31 80.0°F 83.6°F 80.8°F
Aug 1 81.3°F 83.8°F 81.1°F
Aug 2 81.5°F 84.9°F 81.6°F
Aug 3 82.5°F 84.0°F 81.6°F
Aug 4 82.3°F 85.9°F 82.0°F
Aug 5 83.5°F 87.4°F 82.2°F
Aug 6 83.3°F 87.1°F 82.0°F
Aug 7 83.3°F 86.3°F 82.0°F
Aug 8 83.5°F 86.2°F 82.2°F
Aug 9 83.1°F 86.2°F 81.8°F
Aug 10 82.3°F 85.4°F 80.9°F
Aug 11 82.2°F 85.4°F 80.9°F
Aug 12 82.2°F 85.3°F 80.9°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Ōita by month

In Ōita, the months July through October offer comfortable swimming conditions, which amounts to 115 swimming days.
The warmest water in Ōita was recorded on August 5, 2024, reaching a 87.4°F. While the coldest temperature occurred on March 26, 2025, dipping to 49.6°F. The average readings by season are 59.2°F in Winter, 59.5°F in Spring, 76.5°F in Summer, and 73.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Beppu 82.8°F 7mi
Kumamoto 85.8°F 60mi
Kitakyushu 83.2°F 61mi
Shimonoseki 82.0°F 63mi
Iwakuni 83.2°F 73mi

* current water temperature in this city

** straight line distance from Ōita