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

77.2

°F

July 1, 09:25

Trend:

increasing

Yesterday:

77.0°F

Tomorrow:

77.3°F

Sunrise:

05:08

Sunset:

19:27

Day Length:

14 h. 19 min.

Ōita in July

Minimum:

57.5°F

Average:

59.0°F

Maximum:

60.0°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 77.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 76.2°F on 2022, while the historical minimum was 71.6°F on 2015.

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 suggests a gradual increase. The average temperature is expected to rise up to 78.3°F, with minimum temperature starting at 77.3°F, while the maximum might reach 78.8°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Jun 17 72.4°F 72.5°F 71.1°F
Jun 18 72.4°F 72.6°F 71.5°F
Jun 19 73.8°F 74.0°F 71.8°F
Jun 20 74.8°F 74.2°F 72.0°F
Jun 21 74.2°F 74.1°F 72.0°F
Jun 22 74.2°F 74.1°F 72.1°F
Jun 23 74.1°F 74.2°F 72.6°F
Jun 24 74.1°F 74.1°F 72.9°F
Jun 25 74.1°F 74.1°F 72.8°F
Jun 26 74.3°F 74.3°F 73.1°F
Jun 27 75.0°F 74.4°F 73.1°F
Jun 28 75.3°F 74.4°F 73.6°F
Jun 29 77.5°F 74.4°F 73.9°F
Jun 30 77.0°F 74.5°F 73.9°F
Jul 1 77.2°F 74.7°F 74.0°F
Jul 2 77.3°F 74.9°F 74.1°F
Jul 3 77.7°F 74.4°F 74.6°F
Jul 4 78.2°F 77.3°F 75.1°F
Jul 5 78.6°F 78.0°F 75.5°F
Jul 6 78.8°F 79.1°F 75.7°F
Jul 7 78.6°F 77.7°F 75.5°F
Jul 8 78.8°F 78.6°F 75.7°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, 76.4°F in Summer, and 73.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Beppu 80.0°F 7mi
Kumamoto 82.0°F 60mi
Kitakyushu 79.1°F 61mi
Shimonoseki 77.8°F 63mi
Iwakuni 78.0°F 73mi

* current water temperature in this city

** straight line distance from Ōita