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

82.6

°F

August 30, 04:10

Trend:

stable

Yesterday:

82.8°F

Tomorrow:

82.9°F

Sunrise:

05:43

Sunset:

18:41

Day Length:

12 h. 58 min.

Iwakuni in September

Minimum:

54.8°F

Average:

56.3°F

Maximum:

57.5°F

Sea water temperature in Iwakuni today

As of now, in Iwakuni, the water temperature is 82.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 2.3°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.9°F on 2023, while the historical minimum was 75.4°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 82.2°F, the minimum temperature may reach 82.0°F, and the maximum might stay at 82.9°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
Aug 16 82.9°F 84.5°F 82.0°F
Aug 17 83.5°F 84.0°F 81.8°F
Aug 18 83.1°F 84.9°F 81.4°F
Aug 19 83.0°F 85.2°F 81.4°F
Aug 20 83.2°F 84.8°F 81.6°F
Aug 21 83.0°F 81.4°F 81.3°F
Aug 22 83.5°F 81.2°F 81.2°F
Aug 23 83.9°F 82.1°F 81.4°F
Aug 24 83.2°F 83.8°F 81.3°F
Aug 25 84.1°F 84.0°F 81.4°F
Aug 26 84.3°F 82.3°F 81.1°F
Aug 27 82.9°F 82.9°F 80.6°F
Aug 28 82.4°F 84.0°F 80.7°F
Aug 29 82.8°F 83.4°F 80.4°F
Aug 30 82.6°F 83.0°F 80.3°F
Aug 31 82.9°F 84.2°F 80.5°F
Sep 1 82.5°F 81.8°F 80.2°F
Sep 2 82.2°F 80.9°F 79.9°F
Sep 3 82.0°F 80.8°F 79.6°F
Sep 4 82.0°F 81.7°F 79.6°F
Sep 5 82.1°F 81.7°F 79.8°F
Sep 6 82.0°F 81.6°F 79.7°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 113 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, 76.4°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 82.7°F 21mi
Matsuyama 77.9°F 38mi
Saijō 84.9°F 58mi
Ōita 84.1°F 73mi
Beppu 84.1°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni