What is the current water temperature in Ōita?

Q: What is the current water temperature in Ōita?

As of now, in Ōita, the water temperature is 12.92°C. 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.

Japan > Ōita

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.

55.3

°F

March 26, 09:41

Trend:

decreasing

Yesterday:

55.4°F

Tomorrow:

54.9°F

Sunrise:

06:11

Sunset:

18:29

Day Length:

12 h. 18 min.

Ōita in April

Minimum:

57.8°F

Average:

59.3°F

Maximum:

60.3°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 55.3°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 0.5°F higher 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 57.5°F on 2017, while the historical minimum was 49.6°F on 2025.

latest data

last year

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 suggests a gradual increase. The average temperature is expected to rise up to 56.0°F, with minimum temperature starting at 54.9°F, while the maximum might reach 56.6°F.

Daily water temperature in Ōita

Date	Current Year actual* / forecast**	last year	10 years average
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	56.2°F
Mar 19	55.1°F	57.9°F	56.1°F
Mar 20	51.9°F	56.2°F	55.3°F
Mar 21	53.3°F	53.1°F	55.3°F
Mar 22	54.4°F	53.4°F	55.5°F
Mar 23	55.1°F	52.5°F	55.3°F
Mar 24	55.0°F	53.0°F	55.2°F
Mar 25	55.4°F	51.9°F	54.9°F
Mar 26	55.3°F	49.6°F	54.8°F
Mar 27	54.9°F	51.3°F	54.4°F
Mar 28	55.4°F	52.5°F	54.9°F
Mar 29	55.9°F	54.0°F	55.4°F
Mar 30	56.1°F	54.6°F	55.6°F
Mar 31	56.5°F	52.7°F	56.0°F
Apr 1	56.6°F	53.4°F	56.1°F
Apr 2	56.6°F	54.1°F	56.1°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, 59.4°F in Spring, 76.8°F in Summer, and 74.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Beppu	54.9°F	7mi
Kumamoto	58.8°F	60mi
Kitakyushu	55.9°F	61mi
Shimonoseki	55.7°F	63mi
Iwakuni	54.5°F	73mi

* current water temperature in this city

** straight line distance from Ōita