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

66.3

°F

May 17, 03:06

Trend:

increasing

Yesterday:

66.2°F

Tomorrow:

67.3°F

Sunrise:

05:08

Sunset:

19:07

Day Length:

13 h. 59 min.

Iwakuni in May

Minimum:

56.5°F

Average:

58.0°F

Maximum:

59.4°F

Sea water temperature in Iwakuni today

As of now, in Iwakuni, the water temperature is 66.3°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 3.6°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 considerably.

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 maximum temperature for this date. The maximum temperature recorded for this date was 65.5°F on 2023, while the historical minimum was 60.6°F on 2024.

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 68.0°F, with minimum temperature starting at 67.3°F, while the maximum might reach 69.0°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
May 3 60.8°F 60.1°F 60.6°F
May 4 60.7°F 59.4°F 60.5°F
May 5 60.5°F 59.8°F 60.4°F
May 6 60.7°F 59.9°F 60.6°F
May 7 60.1°F 60.5°F 60.9°F
May 8 61.4°F 61.4°F 61.2°F
May 9 60.7°F 61.1°F 61.4°F
May 10 60.3°F 60.4°F 60.8°F
May 11 61.1°F 60.5°F 60.9°F
May 12 63.1°F 61.5°F 61.9°F
May 13 63.4°F 58.5°F 61.8°F
May 14 65.3°F 60.3°F 62.2°F
May 15 66.0°F 61.2°F 62.5°F
May 16 66.2°F 61.5°F 62.7°F
May 17 66.3°F 61.9°F 62.7°F
May 18 67.3°F 63.1°F 63.8°F
May 19 67.6°F 63.2°F 64.1°F
May 20 67.6°F 63.5°F 64.1°F
May 21 67.9°F 63.8°F 64.4°F
May 22 67.9°F 64.1°F 64.4°F
May 23 68.5°F 66.9°F 65.0°F
May 24 69.0°F 67.1°F 65.4°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 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, 76.6°F in Summer, and 73.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 66.9°F 21mi
Matsuyama 62.9°F 38mi
Saijō 66.2°F 58mi
Ōita 70.1°F 73mi
Beppu 67.6°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni