What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 13.19°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 > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. 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.

55.7

°F

April 4, 02:46

Trend:

stable

Yesterday:

55.9°F

Tomorrow:

56.2°F

Sunrise:

06:03

Sunset:

18:41

Day Length:

12 h. 38 min.

Fukuoka in April

Minimum:

57.5°F

Average:

58.9°F

Maximum:

61.3°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 55.7°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 1.4°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 rise a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 58.9°F on 2021, while the historical minimum was 55.8°F on 2024.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 56.8°F, with minimum temperature starting at 56.2°F, while the maximum might reach 57.5°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Mar 21	53.7°F	54.9°F	56.0°F
Mar 22	53.5°F	55.4°F	56.2°F
Mar 23	53.4°F	55.7°F	56.0°F
Mar 24	53.7°F	55.9°F	56.1°F
Mar 25	53.3°F	56.1°F	56.0°F
Mar 26	53.6°F	56.2°F	56.1°F
Mar 27	55.0°F	56.2°F	56.0°F
Mar 28	55.3°F	56.4°F	56.3°F
Mar 29	55.5°F	56.6°F	56.5°F
Mar 30	55.7°F	56.6°F	56.7°F
Mar 31	56.0°F	56.7°F	57.1°F
Apr 1	56.2°F	56.7°F	57.2°F
Apr 2	55.4°F	55.3°F	57.0°F
Apr 3	55.9°F	55.5°F	57.3°F
Apr 4	55.7°F	55.8°F	57.2°F
Apr 5	56.2°F	56.1°F	57.6°F
Apr 6	56.4°F	58.3°F	57.9°F
Apr 7	56.6°F	58.5°F	58.1°F
Apr 8	56.6°F	58.5°F	58.1°F
Apr 9	57.0°F	58.7°F	58.5°F
Apr 10	57.4°F	59.1°F	58.9°F
Apr 11	57.5°F	59.0°F	59.0°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 Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 109 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.4°F in Summer, and 73.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	56.1°F	30mi
Shimonoseki	55.0°F	39mi
Kumamoto	55.9°F	57mi
Nagasaki	57.8°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka