All data are in degrees Fahrenheit

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Water temperature in Kumamoto

Detailed information about the current water temperature in Kumamoto. 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 Kumamoto now

55.1

°F

March 18, 00:01

Trend:

increasing

Yesterday:

55.0°F

Tomorrow:

55.5°F

Sunrise:

06:25

Sunset:

18:27

Day Length:

12 h. 2 min.

Kumamoto in March

Minimum:

55.6°F

Average:

58.1°F

Maximum:

61.1°F

Sea water temperature in Kumamoto today

As of now, in Kumamoto, the water temperature is 55.1°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 1.9°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 60.8°F on 2016, while the historical minimum was 54.3°F on 2018.

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 55.6°F, with minimum temperature starting at 55.5°F, while the maximum might reach 55.9°F.

Daily water temperature in Kumamoto

Date Current Year

actual* / forecast**

last year 10 years average
Mar 4 54.5°F 55.7°F 55.2°F
Mar 5 54.9°F 55.7°F 55.1°F
Mar 6 55.7°F 55.8°F 55.3°F
Mar 7 55.3°F 55.2°F 55.2°F
Mar 8 54.1°F 55.3°F 55.2°F
Mar 9 54.4°F 53.5°F 55.1°F
Mar 10 54.0°F 52.8°F 55.0°F
Mar 11 52.7°F 53.4°F 55.1°F
Mar 12 53.6°F 54.5°F 55.6°F
Mar 13 54.8°F 55.0°F 56.1°F
Mar 14 54.8°F 55.4°F 56.3°F
Mar 15 53.8°F 56.0°F 56.4°F
Mar 16 54.1°F 55.9°F 56.8°F
Mar 17 55.0°F 54.4°F 56.9°F
Mar 18 55.1°F 54.8°F 56.9°F
Mar 19 55.5°F 55.0°F 57.3°F
Mar 20 55.5°F 54.3°F 57.4°F
Mar 21 55.7°F 53.6°F 57.6°F
Mar 22 55.6°F 53.1°F 57.5°F
Mar 23 55.9°F 54.0°F 57.7°F
Mar 24 55.7°F 54.4°F 57.6°F
Mar 25 55.5°F 54.5°F 57.4°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 Kumamoto by month

In Kumamoto, the months June through October offer comfortable swimming conditions, which amounts to 130 swimming days.
The warmest water in Kumamoto was recorded on August 2, 2024, reaching a 89.5°F. While the coldest temperature occurred on February 24, 2018, dipping to 49.7°F. The average readings by season are 57.7°F in Winter, 62.0°F in Spring, 79.4°F in Summer, and 74.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Nagasaki 58.2°F 47mi
Beppu 55.1°F 57mi
Fukuoka 55.3°F 57mi
Ōita 55.5°F 60mi

* current water temperature in this city

** straight line distance from Kumamoto