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 13.23°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.

55.8

°F

April 17, 06:50

Trend:

stable

Yesterday:

55.4°F

Tomorrow:

55.7°F

Sunrise:

05:42

Sunset:

18:45

Day Length:

13 h. 3 min.

Ōita in April

Minimum:

57.8°F

Average:

59.1°F

Maximum:

60.3°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 55.8°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 3.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 61.5°F on 2016, while the historical minimum was 57.5°F on 2019.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.1°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
Apr 3	53.6°F	55.7°F	56.4°F
Apr 4	51.9°F	56.1°F	56.2°F
Apr 5	53.0°F	56.7°F	56.6°F
Apr 6	53.5°F	56.6°F	56.8°F
Apr 7	52.4°F	57.1°F	56.8°F
Apr 8	53.9°F	57.4°F	56.9°F
Apr 9	56.4°F	57.6°F	57.4°F
Apr 10	57.0°F	57.2°F	57.7°F
Apr 11	57.2°F	57.2°F	57.7°F
Apr 12	57.6°F	57.5°F	57.8°F
Apr 13	58.9°F	58.2°F	58.2°F
Apr 14	58.6°F	60.8°F	58.9°F
Apr 15	56.2°F	61.0°F	58.7°F
Apr 16	55.4°F	59.2°F	58.8°F
Apr 17	55.8°F	60.9°F	59.2°F
Apr 18	55.7°F	61.2°F	59.1°F
Apr 19	56.2°F	62.2°F	59.6°F
Apr 20	56.1°F	61.6°F	59.5°F
Apr 21	56.1°F	61.2°F	59.5°F
Apr 22	56.0°F	60.9°F	59.4°F
Apr 23	56.3°F	60.8°F	59.7°F
Apr 24	56.6°F	60.7°F	60.0°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, 59.6°F in Spring, 76.4°F in Summer, and 73.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Beppu	55.7°F	7mi
Kumamoto	58.8°F	60mi
Kitakyushu	58.4°F	61mi
Shimonoseki	57.4°F	63mi
Iwakuni	55.5°F	73mi

* current water temperature in this city

** straight line distance from Ōita