All data are in degrees Fahrenheit

en

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

79.6

°F

September 16, 12:06

Trend:

stable

Yesterday:

79.5°F

Tomorrow:

79.4°F

Sunrise:

05:57

Sunset:

18:20

Day Length:

12 h. 23 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 79.6°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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 82.7°F on 2024, while the historical minimum was 77.1°F on 2018.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 78.4°F, the minimum temperature may reach 77.4°F, and the maximum might stay at 79.4°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
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 79.4°F 81.6°F 80.1°F
Sep 8 79.3°F 82.7°F 79.9°F
Sep 9 78.9°F 82.6°F 79.6°F
Sep 10 78.7°F 82.1°F 79.8°F
Sep 11 78.1°F 83.5°F 79.9°F
Sep 12 77.9°F 83.8°F 79.9°F
Sep 13 78.9°F 82.7°F 79.8°F
Sep 14 79.5°F 82.6°F 79.8°F
Sep 15 79.5°F 82.5°F 79.6°F
Sep 16 79.6°F 82.3°F 79.6°F
Sep 17 79.4°F 82.5°F 79.4°F
Sep 18 79.2°F 82.2°F 79.2°F
Sep 19 78.8°F 81.7°F 78.8°F
Sep 20 78.3°F 81.6°F 78.3°F
Sep 21 78.1°F 82.0°F 78.1°F
Sep 22 77.8°F 81.7°F 77.8°F
Sep 23 77.4°F 81.1°F 77.5°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 79.6°F 7mi
Kumamoto 82.1°F 60mi
Kitakyushu 81.4°F 61mi
Shimonoseki 81.0°F 63mi
Iwakuni 78.9°F 73mi

* current water temperature in this city

** straight line distance from Ōita