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

77.1

°F

October 11, 05:33

Trend:

decreasing

Yesterday:

77.3°F

Tomorrow:

76.9°F

Sunrise:

06:14

Sunset:

17:46

Day Length:

11 h. 32 min.

Ōita in October

Minimum:

57.1°F

Average:

59.1°F

Maximum:

60.5°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 77.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.1°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 fall 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 76.8°F on 2024, while the historical minimum was 72.5°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 shows a gradual cooling trend. The average temperature is expected to be 76.3°F, the minimum temperature may reach 75.8°F, and the maximum might stay at 76.9°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Sep 27 79.1°F 78.9°F 76.6°F
Sep 28 79.8°F 79.6°F 76.8°F
Sep 29 80.2°F 79.6°F 76.9°F
Sep 30 78.7°F 79.5°F 76.7°F
Oct 1 78.4°F 79.4°F 76.5°F
Oct 2 78.7°F 80.0°F 76.5°F
Oct 3 78.4°F 79.7°F 76.5°F
Oct 4 78.0°F 79.3°F 76.4°F
Oct 5 77.7°F 78.8°F 76.3°F
Oct 6 78.2°F 78.4°F 76.1°F
Oct 7 78.5°F 78.0°F 75.9°F
Oct 8 78.0°F 77.5°F 75.7°F
Oct 9 77.7°F 77.6°F 75.5°F
Oct 10 77.3°F 77.2°F 75.1°F
Oct 11 77.1°F 76.8°F 75.0°F
Oct 12 76.9°F 76.2°F 74.8°F
Oct 13 76.6°F 75.8°F 74.4°F
Oct 14 76.5°F 76.3°F 74.3°F
Oct 15 76.3°F 76.0°F 74.2°F
Oct 16 76.1°F 75.2°F 74.0°F
Oct 17 76.0°F 75.5°F 73.8°F
Oct 18 75.8°F 75.1°F 73.7°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, 76.6°F in Summer, and 73.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Beppu 77.2°F 7mi
Kumamoto 80.0°F 60mi
Kitakyushu 81.1°F 61mi
Shimonoseki 79.7°F 63mi
Iwakuni 77.5°F 73mi

* current water temperature in this city

** straight line distance from Ōita