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

84.0

°F

August 7, 18:15

Trend:

stable

Yesterday:

84.2°F

Tomorrow:

84.2°F

Sunrise:

05:30

Sunset:

19:08

Day Length:

13 h. 38 min.

Ōita in August

Minimum:

57.6°F

Average:

59.1°F

Maximum:

60.2°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 84.0°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 1.7°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling 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 86.3°F on 2024, while the historical minimum was 79.6°F on 2019.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 83.1°F, the minimum temperature may reach 82.5°F, and the maximum might stay at 84.2°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Jul 24 81.9°F 80.3°F 79.9°F
Jul 25 84.5°F 79.0°F 80.1°F
Jul 26 83.7°F 78.5°F 79.9°F
Jul 27 84.4°F 77.9°F 80.1°F
Jul 28 85.6°F 78.1°F 80.7°F
Jul 29 85.4°F 79.6°F 81.2°F
Jul 30 86.5°F 80.6°F 81.3°F
Jul 31 86.9°F 80.0°F 81.5°F
Aug 1 86.6°F 81.3°F 81.7°F
Aug 2 84.7°F 81.5°F 82.0°F
Aug 3 87.0°F 82.5°F 82.2°F
Aug 4 86.3°F 82.3°F 82.6°F
Aug 5 86.2°F 83.5°F 82.9°F
Aug 6 84.2°F 84.6°F 82.6°F
Aug 7 84.0°F 84.4°F 82.3°F
Aug 8 84.2°F 84.0°F 82.5°F
Aug 9 83.6°F 83.3°F 81.8°F
Aug 10 82.5°F 82.3°F 80.8°F
Aug 11 82.6°F 82.3°F 80.9°F
Aug 12 82.7°F 82.3°F 81.0°F
Aug 13 82.9°F 82.0°F 81.2°F
Aug 14 83.1°F 81.2°F 81.4°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 117 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, 76.9°F in Summer, and 74.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Beppu 85.2°F 7mi
Kumamoto 84.5°F 60mi
Kitakyushu 86.2°F 61mi
Shimonoseki 86.0°F 63mi
Iwakuni 84.1°F 73mi

* current water temperature in this city

** straight line distance from Ōita