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

80.5

°F

July 18, 11:05

Trend:

increasing

Yesterday:

80.1°F

Tomorrow:

80.7°F

Sunrise:

05:17

Sunset:

19:23

Day Length:

14 h. 6 min.

Ōita in July

Minimum:

57.5°F

Average:

59.1°F

Maximum:

60.0°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 80.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.3°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 rise a bit.

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 81.4°F on 2018, while the historical minimum was 76.0°F on 2020.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 81.4°F, with minimum temperature starting at 80.7°F, while the maximum might reach 82.0°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Jul 4 73.4°F 79.7°F 75.6°F
Jul 5 74.1°F 78.5°F 75.8°F
Jul 6 74.7°F 79.1°F 76.2°F
Jul 7 75.3°F 80.0°F 76.2°F
Jul 8 76.0°F 82.3°F 76.6°F
Jul 9 77.4°F 81.5°F 76.6°F
Jul 10 76.7°F 82.7°F 76.9°F
Jul 11 77.8°F 82.8°F 76.9°F
Jul 12 79.3°F 81.9°F 77.2°F
Jul 13 79.3°F 81.6°F 77.1°F
Jul 14 81.2°F 81.6°F 77.7°F
Jul 15 81.6°F 79.8°F 77.9°F
Jul 16 81.2°F 80.3°F 78.2°F
Jul 17 80.1°F 79.8°F 77.8°F
Jul 18 80.5°F 79.5°F 78.3°F
Jul 19 80.7°F 78.4°F 78.4°F
Jul 20 81.1°F 78.6°F 78.9°F
Jul 21 81.3°F 78.6°F 79.0°F
Jul 22 81.6°F 78.4°F 79.3°F
Jul 23 81.6°F 79.6°F 79.3°F
Jul 24 81.9°F 80.3°F 79.6°F
Jul 25 82.0°F 79.0°F 79.7°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 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, 76.8°F in Summer, and 74.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Beppu 81.5°F 7mi
Kumamoto 82.5°F 60mi
Kitakyushu 81.9°F 61mi
Shimonoseki 80.7°F 63mi
Iwakuni 80.9°F 73mi

* current water temperature in this city

** straight line distance from Ōita