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 14.37°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.

57.9

°F

January 25, 21:13

Trend:

decreasing

Yesterday:

58.3°F

Tomorrow:

57.6°F

Sunrise:

07:14

Sunset:

17:38

Day Length:

10 h. 24 min.

Ōita in February

Minimum:

58.5°F

Average:

59.7°F

Maximum:

61.3°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 57.9°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 0.3°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 59.8°F on 2025, while the historical minimum was 57.1°F on 2018.

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 shows a gradual cooling trend. The average temperature is expected to be 57.0°F, the minimum temperature may reach 56.4°F, and the maximum might stay at 57.6°F.

Daily water temperature in Ōita

Date	Current Year actual* / forecast**	last year	10 years average
Jan 11	58.2°F	60.6°F	59.2°F
Jan 12	58.7°F	60.8°F	59.3°F
Jan 13	58.7°F	59.0°F	58.7°F
Jan 14	60.2°F	58.9°F	58.4°F
Jan 15	59.5°F	58.8°F	58.4°F
Jan 16	58.7°F	58.6°F	58.1°F
Jan 17	59.1°F	58.5°F	57.9°F
Jan 18	58.7°F	58.4°F	57.7°F
Jan 19	57.9°F	55.8°F	57.3°F
Jan 20	58.0°F	57.0°F	57.6°F
Jan 21	58.3°F	58.2°F	57.7°F
Jan 22	57.9°F	57.9°F	57.7°F
Jan 23	58.3°F	58.1°F	57.9°F
Jan 24	58.3°F	58.2°F	58.1°F
Jan 25	57.9°F	59.8°F	58.2°F
Jan 26	57.6°F	60.0°F	57.9°F
Jan 27	57.5°F	59.6°F	57.8°F
Jan 28	57.2°F	59.3°F	57.5°F
Jan 29	57.1°F	58.7°F	57.4°F
Jan 30	56.7°F	55.8°F	57.0°F
Jan 31	56.4°F	55.9°F	56.7°F
Feb 1	56.4°F	56.0°F	56.7°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 59.3°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	57.2°F	7mi
Kumamoto	54.6°F	60mi
Kitakyushu	55.7°F	61mi
Shimonoseki	56.0°F	63mi
Iwakuni	53.5°F	73mi

* current water temperature in this city

** straight line distance from Ōita