All data are in degrees Fahrenheit

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Water temperature in Hiroshima

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

68.6

°F

November 21, 22:20

Trend:

decreasing

Yesterday:

69.2°F

Tomorrow:

68.3°F

Sunrise:

06:49

Sunset:

17:03

Day Length:

10 h. 14 min.

Hiroshima in November

Minimum:

54.5°F

Average:

56.1°F

Maximum:

57.3°F

Sea water temperature in Hiroshima today

As of now, in Hiroshima, the water temperature is 68.6°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 2.1°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 67.4°F on 2023, while the historical minimum was 65.3°F on 2014.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 67.8°F, the minimum temperature may reach 67.4°F, and the maximum might stay at 68.3°F.

Daily water temperature in Hiroshima

Date Current Year

actual* / forecast**

last year 10 years average
Nov 7 70.1°F 71.1°F 69.6°F
Nov 8 70.2°F 70.5°F 69.3°F
Nov 9 70.0°F 70.3°F 69.2°F
Nov 10 69.8°F 70.0°F 68.9°F
Nov 11 69.6°F 69.9°F 68.7°F
Nov 12 69.3°F 69.6°F 68.4°F
Nov 13 69.2°F 69.7°F 68.3°F
Nov 14 69.0°F 69.3°F 68.1°F
Nov 15 70.1°F 69.1°F 68.1°F
Nov 16 69.7°F 68.9°F 67.9°F
Nov 17 70.1°F 68.6°F 67.7°F
Nov 18 69.8°F 68.5°F 67.3°F
Nov 19 69.7°F 68.2°F 67.2°F
Nov 20 69.2°F 67.9°F 67.0°F
Nov 21 68.6°F 67.4°F 66.5°F
Nov 22 68.3°F 66.6°F 66.3°F
Nov 23 68.2°F 66.8°F 66.2°F
Nov 24 68.0°F 65.0°F 66.0°F
Nov 25 67.8°F 65.2°F 65.8°F
Nov 26 67.7°F 65.4°F 65.7°F
Nov 27 67.5°F 65.4°F 65.4°F
Nov 28 67.4°F 65.4°F 65.3°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 Hiroshima by month

In Hiroshima, the months July through October offer comfortable swimming conditions, which amounts to 110 swimming days.
The warmest water in Hiroshima was recorded on August 3, 2024, reaching a 86.4°F. While the coldest temperature occurred on February 20, 2018, dipping to 49.3°F. The average readings by season are 56.9°F in Winter, 58.1°F in Spring, 76.1°F in Summer, and 73.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Iwakuni 68.8°F 21mi
Matsuyama 69.6°F 43mi
Fukuyama 67.8°F 53mi
Saijō 67.1°F 54mi
Niihama 67.9°F 58mi

* current water temperature in this city

** straight line distance from Hiroshima