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

77.5

°F

October 11, 05:37

Trend:

decreasing

Yesterday:

77.6°F

Tomorrow:

77.3°F

Sunrise:

06:13

Sunset:

17:43

Day Length:

11 h. 30 min.

Iwakuni in October

Minimum:

54.7°F

Average:

56.0°F

Maximum:

57.5°F

Sea water temperature in Iwakuni today

As of now, in Iwakuni, the water temperature is 77.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.4°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 closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 77.1°F on 2021, while the historical minimum was 72.3°F on 2015.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 76.7°F, the minimum temperature may reach 76.1°F, and the maximum might stay at 77.3°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
Sep 27 79.1°F 79.7°F 76.9°F
Sep 28 78.7°F 79.2°F 76.7°F
Sep 29 78.4°F 80.0°F 76.8°F
Sep 30 77.8°F 79.0°F 76.4°F
Oct 1 77.1°F 80.9°F 76.4°F
Oct 2 76.9°F 80.6°F 76.4°F
Oct 3 76.7°F 80.1°F 76.2°F
Oct 4 76.4°F 79.4°F 76.3°F
Oct 5 76.1°F 78.5°F 76.1°F
Oct 6 76.5°F 77.6°F 75.9°F
Oct 7 77.4°F 77.3°F 75.9°F
Oct 8 77.0°F 76.9°F 75.7°F
Oct 9 77.8°F 77.3°F 75.6°F
Oct 10 77.6°F 76.9°F 75.2°F
Oct 11 77.5°F 76.7°F 75.1°F
Oct 12 77.3°F 76.7°F 74.9°F
Oct 13 77.2°F 76.3°F 74.8°F
Oct 14 76.8°F 76.4°F 74.4°F
Oct 15 76.7°F 76.2°F 74.3°F
Oct 16 76.6°F 75.9°F 74.1°F
Oct 17 76.4°F 76.4°F 73.9°F
Oct 18 76.1°F 76.0°F 73.7°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 73.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Hiroshima 77.6°F 21mi
Matsuyama 76.0°F 38mi
Saijō 78.1°F 58mi
Ōita 77.1°F 73mi
Beppu 77.2°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni