All data are in degrees Fahrenheit

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Water temperature in Iwakuni

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

64.5

°F

June 2, 00:34

Trend:

increasing

Yesterday:

64.3°F

Tomorrow:

64.9°F

Sunrise:

05:00

Sunset:

19:18

Day Length:

14 h. 18 min.

Iwakuni in June

Minimum:

55.4°F

Average:

57.4°F

Maximum:

59.2°F

Sea water temperature in Iwakuni today

As of now, in Iwakuni, the water temperature is 64.5°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.4°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 68.8°F on 2015, while the historical minimum was 66.0°F on 2019.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 65.0°F, with minimum temperature starting at 64.9°F, while the maximum might reach 65.3°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
May 19 63.2°F 61.2°F 63.9°F
May 20 63.5°F 63.5°F 64.1°F
May 21 63.8°F 64.1°F 64.4°F
May 22 64.1°F 63.5°F 64.4°F
May 23 66.9°F 63.8°F 64.9°F
May 24 67.1°F 64.7°F 65.4°F
May 25 67.1°F 67.3°F 66.1°F
May 26 65.5°F 66.6°F 65.9°F
May 27 65.3°F 66.7°F 65.9°F
May 28 64.2°F 66.7°F 66.1°F
May 29 64.3°F 64.9°F 65.9°F
May 30 65.5°F 65.3°F 66.1°F
May 31 65.6°F 65.5°F 66.3°F
Jun 1 64.3°F 64.7°F 66.7°F
Jun 2 64.5°F 66.6°F 66.8°F
Jun 3 64.9°F 66.7°F 67.2°F
Jun 4 65.0°F 66.8°F 67.4°F
Jun 5 65.0°F 67.0°F 67.4°F
Jun 6 65.0°F 65.9°F 67.3°F
Jun 7 65.0°F 66.6°F 67.3°F
Jun 8 64.9°F 67.2°F 67.3°F
Jun 9 65.3°F 67.4°F 67.7°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 Iwakuni by month

In Iwakuni, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.
The warmest water in Iwakuni was recorded on August 9, 2024, reaching a 86.1°F. While the coldest temperature occurred on February 16, 2018, dipping to 48.6°F. The average readings by season are 56.7°F in Winter, 57.8°F in Spring, 76.2°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 62.7°F 21mi
Matsuyama 61.4°F 38mi
Saijō 66.4°F 58mi
Ōita 63.2°F 73mi
Beppu 63.1°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni