What is the current water temperature in Kitakyushu?

Q: What is the current water temperature in Kitakyushu?

As of now, in Kitakyushu, the water temperature is 28.66°C. 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.

Japan > Kitakyushu

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.

83.6

°F

July 15, 15:02

Trend:

increasing

Yesterday:

83.4°F

Tomorrow:

83.7°F

Sunrise:

05:16

Sunset:

19:28

Day Length:

14 h. 12 min.

Kitakyushu in July

Minimum:

55.4°F

Average:

57.6°F

Maximum:

58.9°F

Sea water temperature in Kitakyushu today

As of now, in Kitakyushu, the water temperature is 83.6°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 4.3°F higher 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

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 82.3°F on 2025, while the historical minimum was 75.4°F on 2019.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 84.0°F, with minimum temperature starting at 83.6°F, while the maximum might reach 84.6°F.

Daily water temperature in Kitakyushu

Date	Current Year actual* / forecast**	last year	10 years average
Jul 1	75.2°F	79.3°F	75.3°F
Jul 2	75.4°F	79.8°F	75.7°F
Jul 3	76.6°F	80.0°F	76.2°F
Jul 4	76.1°F	81.1°F	76.6°F
Jul 5	76.2°F	81.4°F	77.0°F
Jul 6	76.9°F	82.5°F	77.5°F
Jul 7	77.0°F	81.8°F	77.4°F
Jul 8	77.0°F	82.3°F	77.6°F
Jul 9	77.7°F	82.7°F	77.8°F
Jul 10	79.3°F	82.5°F	77.9°F
Jul 11	80.9°F	82.5°F	78.2°F
Jul 12	81.9°F	82.4°F	78.5°F
Jul 13	82.4°F	82.0°F	78.7°F
Jul 14	83.4°F	83.0°F	79.1°F
Jul 15	83.6°F	82.3°F	79.3°F
Jul 16	83.7°F	81.3°F	79.4°F
Jul 17	83.6°F	81.0°F	79.3°F
Jul 18	83.7°F	81.7°F	79.4°F
Jul 19	83.7°F	81.0°F	79.4°F
Jul 20	84.5°F	81.7°F	80.2°F
Jul 21	84.6°F	81.6°F	80.3°F
Jul 22	84.5°F	82.2°F	80.2°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, 78.0°F in Summer, and 73.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Shimonoseki	80.9°F	9mi
Fukuoka	83.0°F	30mi
Beppu	82.5°F	54mi
Ōita	81.4°F	61mi

* current water temperature in this city

** straight line distance from Kitakyushu