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

78.1

°F

October 6, 17:43

Trend:

stable

Yesterday:

77.2°F

Tomorrow:

78.0°F

Sunrise:

06:11

Sunset:

17:53

Day Length:

11 h. 42 min.

Ōita in October

Minimum:

57.1°F

Average:

59.2°F

Maximum:

60.5°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 78.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.7°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 reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.4°F on 2024, while the historical minimum was 74.2°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 77.4°F, the minimum temperature may reach 76.8°F, and the maximum might stay at 78.0°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Sep 22 79.1°F 81.7°F 77.9°F
Sep 23 79.1°F 81.1°F 77.6°F
Sep 24 78.3°F 80.4°F 77.1°F
Sep 25 78.5°F 79.7°F 76.9°F
Sep 26 78.4°F 79.2°F 76.9°F
Sep 27 78.3°F 79.1°F 77.0°F
Sep 28 78.2°F 79.8°F 77.1°F
Sep 29 78.2°F 80.2°F 77.3°F
Sep 30 77.7°F 78.7°F 77.0°F
Oct 1 76.1°F 78.4°F 76.6°F
Oct 2 77.9°F 78.7°F 76.8°F
Oct 3 77.7°F 78.4°F 76.8°F
Oct 4 77.6°F 78.0°F 76.7°F
Oct 5 77.2°F 77.7°F 76.5°F
Oct 6 78.1°F 78.2°F 76.4°F
Oct 7 78.0°F 78.5°F 76.2°F
Oct 8 77.7°F 78.0°F 75.9°F
Oct 9 77.5°F 77.7°F 75.8°F
Oct 10 77.4°F 77.3°F 75.6°F
Oct 11 77.2°F 77.5°F 75.5°F
Oct 12 77.0°F 77.4°F 75.3°F
Oct 13 76.8°F 78.4°F 75.1°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 77.7°F 7mi
Kumamoto 78.5°F 60mi
Kitakyushu 78.5°F 61mi
Shimonoseki 78.0°F 63mi
Iwakuni 77.0°F 73mi

* current water temperature in this city

** straight line distance from Ōita