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

69.7

°F

June 13, 14:46

Trend:

increasing

Yesterday:

69.5°F

Tomorrow:

70.0°F

Sunrise:

04:59

Sunset:

19:23

Day Length:

14 h. 24 min.

Iwakuni in June

Minimum:

55.9°F

Average:

57.6°F

Maximum:

59.2°F

Sea water temperature in Iwakuni today

As of now, in Iwakuni, the water temperature is 69.7°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 0.9°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 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 70.7°F on 2021, while the historical minimum was 66.4°F on 2023.

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 suggests a gradual increase. The average temperature is expected to rise up to 71.2°F, with minimum temperature starting at 70.0°F, while the maximum might reach 72.2°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
May 30 69.5°F 65.5°F 66.1°F
May 31 69.7°F 65.6°F 66.4°F
Jun 1 70.7°F 64.3°F 66.7°F
Jun 2 70.4°F 64.6°F 66.4°F
Jun 3 70.7°F 64.8°F 67.2°F
Jun 4 70.7°F 65.7°F 67.5°F
Jun 5 70.6°F 64.6°F 67.5°F
Jun 6 70.3°F 65.2°F 67.5°F
Jun 7 70.8°F 65.5°F 67.6°F
Jun 8 69.3°F 65.8°F 67.4°F
Jun 9 69.2°F 66.1°F 67.7°F
Jun 10 68.9°F 66.3°F 68.1°F
Jun 11 68.7°F 66.8°F 68.3°F
Jun 12 69.5°F 67.0°F 68.6°F
Jun 13 69.7°F 67.2°F 68.8°F
Jun 14 70.0°F 67.4°F 69.1°F
Jun 15 70.5°F 67.7°F 69.6°F
Jun 16 70.8°F 68.8°F 69.9°F
Jun 17 71.5°F 70.6°F 70.6°F
Jun 18 71.6°F 71.1°F 70.7°F
Jun 19 72.0°F 72.2°F 71.1°F
Jun 20 72.2°F 72.5°F 71.3°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 Iwakuni by month

In Iwakuni, the months July through October offer comfortable swimming conditions, which amounts to 114 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, 57.9°F in Spring, 76.7°F in Summer, and 73.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 69.8°F 21mi
Matsuyama 67.3°F 38mi
Saijō 70.7°F 58mi
Ōita 72.7°F 73mi
Beppu 73.3°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni