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 15.49°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.

59.9

°F

May 9, 10:25

Trend:

stable

Yesterday:

60.0°F

Tomorrow:

59.9°F

Sunrise:

05:19

Sunset:

19:01

Day Length:

13 h. 42 min.

Ōita in May

Minimum:

57.5°F

Average:

59.1°F

Maximum:

60.3°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 59.9°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 2.5°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 63.6°F on 2020, while the historical minimum was 59.2°F on 2018.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 60.4°F, with minimum temperature starting at 59.7°F, while the maximum might reach 61.3°F.

Daily water temperature in Ōita

Date	Current Year actual* / forecast**	last year	10 years average
Apr 25	57.8°F	61.2°F	59.9°F
Apr 26	58.2°F	61.2°F	60.0°F
Apr 27	59.3°F	61.3°F	60.2°F
Apr 28	60.0°F	60.8°F	60.4°F
Apr 29	58.3°F	61.4°F	60.6°F
Apr 30	58.3°F	61.6°F	60.5°F
May 1	58.9°F	62.0°F	61.1°F
May 2	59.9°F	61.8°F	61.3°F
May 3	59.5°F	62.2°F	61.6°F
May 4	59.4°F	64.7°F	61.8°F
May 5	59.9°F	63.0°F	62.0°F
May 6	60.2°F	62.9°F	61.8°F
May 7	59.8°F	62.8°F	61.8°F
May 8	60.0°F	62.4°F	62.5°F
May 9	59.9°F	62.1°F	62.4°F
May 10	59.9°F	62.4°F	62.4°F
May 11	59.7°F	62.2°F	62.2°F
May 12	60.2°F	62.7°F	62.7°F
May 13	60.2°F	62.8°F	62.7°F
May 14	60.5°F	63.0°F	63.0°F
May 15	60.7°F	64.9°F	63.2°F
May 16	61.3°F	65.1°F	63.8°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 114 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, 76.4°F in Summer, and 73.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Beppu	60.5°F	7mi
Kumamoto	65.3°F	60mi
Kitakyushu	62.8°F	61mi
Shimonoseki	62.8°F	63mi
Iwakuni	61.8°F	73mi

* current water temperature in this city

** straight line distance from Ōita