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 21.69°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

71.0

°F

November 9, 02:42

Trend:

decreasing

Yesterday:

71.3°F

Tomorrow:

70.8°F

Sunrise:

06:38

Sunset:

17:16

Day Length:

10 h. 38 min.

Ōita in November

Minimum:

57.7°F

Average:

59.4°F

Maximum:

60.6°F

Sea water temperature in Ōita today

As of now, in Ōita, the water temperature is 71.0°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.1°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 70.9°F on 2023, while the historical minimum was 68.9°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 70.4°F, the minimum temperature may reach 70.0°F, and the maximum might stay at 70.9°F.

Daily water temperature in Ōita

Date	Current Year actual* / forecast**	last year	10 years average
Oct 26	74.5°F	73.7°F	72.4°F
Oct 27	74.4°F	74.0°F	72.2°F
Oct 28	74.1°F	73.8°F	72.2°F
Oct 29	73.9°F	73.7°F	72.2°F
Oct 30	73.4°F	74.0°F	71.9°F
Oct 31	73.1°F	73.8°F	71.6°F
Nov 1	72.8°F	73.5°F	71.4°F
Nov 2	72.8°F	73.2°F	71.3°F
Nov 3	72.3°F	72.8°F	71.0°F
Nov 4	72.1°F	71.9°F	70.8°F
Nov 5	71.7°F	71.9°F	70.8°F
Nov 6	71.7°F	72.1°F	70.6°F
Nov 7	71.5°F	72.8°F	70.5°F
Nov 8	71.3°F	72.4°F	70.2°F
Nov 9	71.0°F	72.2°F	70.0°F
Nov 10	70.8°F	71.9°F	69.8°F
Nov 11	70.9°F	72.1°F	69.9°F
Nov 12	70.5°F	71.6°F	69.4°F
Nov 13	70.2°F	71.3°F	69.1°F
Nov 14	70.2°F	71.3°F	69.1°F
Nov 15	70.3°F	71.0°F	69.2°F
Nov 16	70.0°F	70.7°F	68.9°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	70.9°F	7mi
Kumamoto	67.4°F	60mi
Kitakyushu	68.6°F	61mi
Shimonoseki	68.0°F	63mi
Iwakuni	70.1°F	73mi

* current water temperature in this city

** straight line distance from Ōita