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 18.1°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

64.6

°F

December 10, 06:23

Trend:

decreasing

Yesterday:

65.0°F

Tomorrow:

64.4°F

Sunrise:

07:06

Sunset:

17:06

Day Length:

10 h. 0 min.

Ōita in December

Minimum:

58.2°F

Average:

59.3°F

Maximum:

60.8°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 64.6°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.6°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.1°F on 2016, while the historical minimum was 62.8°F on 2020.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.8°F, the minimum temperature may reach 63.1°F, and the maximum might stay at 64.4°F.

Daily water temperature in Ōita

Date	Current Year actual* / forecast**	last year	10 years average
Nov 26	67.8°F	68.6°F	67.4°F
Nov 27	67.4°F	68.6°F	67.2°F
Nov 28	67.5°F	68.0°F	67.1°F
Nov 29	67.3°F	67.6°F	66.8°F
Nov 30	66.0°F	67.4°F	66.5°F
Dec 1	65.9°F	67.1°F	66.3°F
Dec 2	66.5°F	67.3°F	66.3°F
Dec 3	66.6°F	66.6°F	65.9°F
Dec 4	66.2°F	66.7°F	65.6°F
Dec 5	66.0°F	66.9°F	65.6°F
Dec 6	65.7°F	66.1°F	65.3°F
Dec 7	65.4°F	65.1°F	64.9°F
Dec 8	65.0°F	65.0°F	64.7°F
Dec 9	65.0°F	65.1°F	64.5°F
Dec 10	64.6°F	64.7°F	64.0°F
Dec 11	64.4°F	64.6°F	63.8°F
Dec 12	64.3°F	64.7°F	63.7°F
Dec 13	64.1°F	64.6°F	63.6°F
Dec 14	63.8°F	63.9°F	63.2°F
Dec 15	63.7°F	64.0°F	63.1°F
Dec 16	63.5°F	63.6°F	62.9°F
Dec 17	63.1°F	62.5°F	62.5°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 116 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, 76.6°F in Summer, and 74.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Beppu	64.0°F	7mi
Kumamoto	60.8°F	60mi
Kitakyushu	61.4°F	61mi
Shimonoseki	61.7°F	63mi
Iwakuni	63.2°F	73mi

* current water temperature in this city

** straight line distance from Ōita