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

54.2

°F

March 19, 05:48

Trend:

decreasing

Yesterday:

54.4°F

Tomorrow:

53.7°F

Sunrise:

06:20

Sunset:

18:24

Day Length:

12 h. 4 min.

Ōita in March

Minimum:

57.9°F

Average:

59.4°F

Maximum:

60.4°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 54.2°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.0°F lower 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 60.0°F on 2016, while the historical minimum was 51.8°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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.3°F, the minimum temperature may reach 52.8°F, and the maximum might stay at 53.7°F.

Daily water temperature in Ōita

Date Current Year

actual* / forecast**

last year 10 years average
Mar 5 58.2°F 57.2°F 56.8°F
Mar 6 57.5°F 57.4°F 56.8°F
Mar 7 58.5°F 57.1°F 56.5°F
Mar 8 59.0°F 57.3°F 56.3°F
Mar 9 58.4°F 56.6°F 55.9°F
Mar 10 57.9°F 56.9°F 56.2°F
Mar 11 56.9°F 57.4°F 56.4°F
Mar 12 57.6°F 57.9°F 56.6°F
Mar 13 56.4°F 58.3°F 56.6°F
Mar 14 56.3°F 58.7°F 57.0°F
Mar 15 55.3°F 59.1°F 56.4°F
Mar 16 55.4°F 59.3°F 56.6°F
Mar 17 55.5°F 59.0°F 56.3°F
Mar 18 54.4°F 58.8°F 56.4°F
Mar 19 54.2°F 57.9°F 56.2°F
Mar 20 53.7°F 56.2°F 55.7°F
Mar 21 53.6°F 53.1°F 55.5°F
Mar 22 53.7°F 53.4°F 55.7°F
Mar 23 53.4°F 52.5°F 55.4°F
Mar 24 53.2°F 53.0°F 55.2°F
Mar 25 53.0°F 51.9°F 54.9°F
Mar 26 52.8°F 49.6°F 54.8°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, 59.4°F in Spring, 76.8°F in Summer, and 74.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Beppu 54.0°F 7mi
Kumamoto 56.8°F 60mi
Kitakyushu 53.3°F 61mi
Shimonoseki 53.8°F 63mi
Iwakuni 52.6°F 73mi

* current water temperature in this city

** straight line distance from Ōita