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 15.91°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.

60.6

°F

April 16, 11:47

Trend:

stable

Yesterday:

60.9°F

Tomorrow:

61.4°F

Sunrise:

05:43

Sunset:

18:44

Day Length:

13 h. 1 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 60.6°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 2.3°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 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 60.5°F on 2016, while the historical minimum was 55.4°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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 61.6°F, with minimum temperature starting at 61.3°F, while the maximum might reach 61.9°F.

Daily water temperature in Ōita

Date	Current Year actual* / forecast**	last year	10 years average
Apr 2	58.1°F	54.1°F	56.3°F
Apr 3	55.9°F	53.6°F	56.2°F
Apr 4	58.7°F	51.9°F	56.2°F
Apr 5	57.8°F	53.0°F	56.4°F
Apr 6	56.5°F	53.5°F	56.5°F
Apr 7	57.1°F	52.4°F	56.5°F
Apr 8	57.0°F	53.9°F	56.6°F
Apr 9	57.8°F	56.4°F	57.2°F
Apr 10	58.2°F	57.0°F	57.5°F
Apr 11	59.9°F	57.2°F	57.7°F
Apr 12	60.2°F	57.6°F	57.8°F
Apr 13	60.4°F	58.9°F	58.3°F
Apr 14	60.2°F	58.6°F	58.9°F
Apr 15	60.9°F	56.2°F	58.6°F
Apr 16	60.6°F	55.4°F	58.3°F
Apr 17	61.4°F	57.3°F	59.1°F
Apr 18	61.3°F	57.7°F	58.9°F
Apr 19	61.9°F	58.9°F	59.6°F
Apr 20	61.7°F	59.2°F	59.4°F
Apr 21	61.6°F	58.2°F	59.3°F
Apr 22	61.6°F	59.2°F	59.3°F
Apr 23	61.7°F	58.4°F	59.4°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	60.4°F	7mi
Kumamoto	63.4°F	60mi
Kitakyushu	61.0°F	61mi
Shimonoseki	61.1°F	63mi
Iwakuni	60.2°F	73mi

* current water temperature in this city

** straight line distance from Ōita