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 14.12°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.

57.4

°F

April 2, 11:15

Trend:

increasing

Yesterday:

57.4°F

Tomorrow:

57.5°F

Sunrise:

06:01

Sunset:

18:34

Day Length:

12 h. 33 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 57.4°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 1.3°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 stay about the same.

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 57.5°F on 2016, while the historical minimum was 54.1°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 histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 57.7°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
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	55.0°F
Mar 26	55.9°F	49.6°F	54.9°F
Mar 27	55.5°F	51.3°F	54.5°F
Mar 28	55.8°F	52.5°F	55.0°F
Mar 29	56.1°F	54.0°F	55.4°F
Mar 30	56.5°F	54.6°F	55.7°F
Mar 31	57.1°F	52.7°F	56.1°F
Apr 1	57.4°F	53.4°F	56.1°F
Apr 2	57.4°F	54.1°F	56.1°F
Apr 3	57.5°F	53.6°F	56.2°F
Apr 4	57.3°F	51.9°F	55.9°F
Apr 5	57.6°F	53.0°F	56.3°F
Apr 6	57.8°F	53.5°F	56.5°F
Apr 7	57.7°F	52.4°F	56.4°F
Apr 8	57.9°F	53.9°F	56.6°F
Apr 9	58.5°F	56.4°F	57.2°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	57.8°F	7mi
Kumamoto	58.4°F	60mi
Kitakyushu	56.5°F	61mi
Shimonoseki	56.7°F	63mi
Iwakuni	56.9°F	73mi

* current water temperature in this city

** straight line distance from Ōita