All data are in degrees Fahrenheit

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Water temperature in Kitakyushu

Detailed information about the current water temperature in Kitakyushu. 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.
Sea temperature in Kitakyushu now

86.2

°F

August 26, 19:12

Trend:

stable

Yesterday:

85.2°F

Tomorrow:

86.2°F

Sunrise:

05:46

Sunset:

18:51

Day Length:

13 h. 5 min.

Kitakyushu in September

Minimum:

54.3°F

Average:

57.6°F

Maximum:

59.2°F

Sea water temperature in Kitakyushu today

As of now, in Kitakyushu, the water temperature is 86.2°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 3.0°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.5°F on 2025, while the historical minimum was 80.1°F on 2021.

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 85.8°F, the minimum temperature may reach 85.2°F, and the maximum might stay at 86.2°F.

Daily water temperature in Kitakyushu

Date Current Year

actual* / forecast**

last year 10 years average
Aug 12 86.5°F 82.3°F 82.7°F
Aug 13 86.1°F 82.8°F 82.8°F
Aug 14 85.6°F 83.3°F 83.0°F
Aug 15 84.8°F 83.9°F 83.1°F
Aug 16 84.2°F 83.7°F 83.0°F
Aug 17 84.1°F 84.7°F 82.8°F
Aug 18 83.7°F 85.3°F 82.9°F
Aug 19 83.3°F 85.7°F 82.9°F
Aug 20 83.9°F 85.6°F 83.1°F
Aug 21 84.0°F 86.0°F 83.2°F
Aug 22 83.9°F 86.3°F 83.3°F
Aug 23 83.8°F 86.7°F 83.4°F
Aug 24 84.6°F 87.0°F 83.7°F
Aug 25 85.2°F 86.6°F 83.6°F
Aug 26 86.2°F 86.5°F 83.3°F
Aug 27 86.2°F 86.7°F 83.2°F
Aug 28 86.0°F 86.8°F 83.1°F
Aug 29 85.8°F 86.1°F 82.8°F
Aug 30 85.8°F 86.4°F 82.9°F
Aug 31 85.9°F 87.2°F 82.9°F
Sep 1 85.7°F 87.4°F 82.8°F
Sep 2 85.2°F 86.3°F 82.3°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 Kitakyushu by month

In Kitakyushu, the months July through October offer comfortable swimming conditions, which amounts to 120 swimming days.
The warmest water in Kitakyushu was recorded on August 8, 2024, reaching a 87.9°F. While the coldest temperature occurred on March 10, 2025, dipping to 48.8°F. The average readings by season are 57.1°F in Winter, 59.5°F in Spring, 78.1°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Shimonoseki 84.1°F 9mi
Fukuoka 86.9°F 30mi
Beppu 84.5°F 54mi
Ōita 83.7°F 61mi

* current water temperature in this city

** straight line distance from Kitakyushu