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

80.0

°F

September 6, 20:40

Trend:

stable

Yesterday:

80.2°F

Tomorrow:

80.1°F

Sunrise:

05:51

Sunset:

18:33

Day Length:

12 h. 42 min.

Ōita in September

Minimum:

57.6°F

Average:

59.2°F

Maximum:

60.7°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 80.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 stay about the same.

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 81.4°F on 2020, while the historical minimum was 77.7°F on 2016.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 79.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Aug 23 82.7°F 82.2°F 82.1°F
Aug 24 84.7°F 82.2°F 82.1°F
Aug 25 84.0°F 84.0°F 82.3°F
Aug 26 83.7°F 83.9°F 82.2°F
Aug 27 82.7°F 84.2°F 82.0°F
Aug 28 82.9°F 82.9°F 81.7°F
Aug 29 82.9°F 84.2°F 81.7°F
Aug 30 84.2°F 84.5°F 81.8°F
Aug 31 84.4°F 84.6°F 81.7°F
Sep 1 84.0°F 83.7°F 81.3°F
Sep 2 82.9°F 84.3°F 81.1°F
Sep 3 80.9°F 83.5°F 80.7°F
Sep 4 81.0°F 82.2°F 80.5°F
Sep 5 80.2°F 81.4°F 80.3°F
Sep 6 80.0°F 81.1°F 80.1°F
Sep 7 80.1°F 81.6°F 80.2°F
Sep 8 79.8°F 82.7°F 79.9°F
Sep 9 79.6°F 82.6°F 79.7°F
Sep 10 79.8°F 82.1°F 80.0°F
Sep 11 80.0°F 83.5°F 80.1°F
Sep 12 80.0°F 83.8°F 80.1°F
Sep 13 79.8°F 82.7°F 80.0°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 80.7°F 7mi
Kumamoto 84.0°F 60mi
Kitakyushu 85.1°F 61mi
Shimonoseki 84.3°F 63mi
Iwakuni 81.4°F 73mi

* current water temperature in this city

** straight line distance from Ōita