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

81.4

°F

September 17, 05:35

Trend:

decreasing

Yesterday:

81.6°F

Tomorrow:

81.2°F

Sunrise:

05:55

Sunset:

18:16

Day Length:

12 h. 21 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 81.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.7°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably 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 84.1°F on 2024, while the historical minimum was 75.0°F on 2015.

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 shows a gradual cooling trend. The average temperature is expected to be 80.5°F, the minimum temperature may reach 79.6°F, and the maximum might stay at 81.2°F.

Daily water temperature in Iwakuni

Date Current Year

actual* / forecast**

last year 10 years average
Sep 3 82.8°F 80.8°F 79.9°F
Sep 4 83.9°F 81.7°F 80.0°F
Sep 5 83.4°F 81.7°F 80.1°F
Sep 6 83.6°F 81.6°F 80.0°F
Sep 7 83.3°F 81.5°F 79.9°F
Sep 8 83.6°F 81.9°F 79.7°F
Sep 9 82.1°F 81.9°F 79.5°F
Sep 10 82.7°F 83.4°F 79.7°F
Sep 11 82.1°F 83.1°F 79.6°F
Sep 12 81.6°F 84.0°F 79.7°F
Sep 13 81.3°F 84.5°F 79.5°F
Sep 14 81.4°F 84.2°F 79.5°F
Sep 15 81.4°F 83.4°F 79.3°F
Sep 16 81.6°F 84.6°F 78.9°F
Sep 17 81.4°F 84.1°F 78.6°F
Sep 18 81.2°F 84.2°F 78.5°F
Sep 19 81.0°F 84.5°F 78.2°F
Sep 20 80.8°F 84.8°F 78.1°F
Sep 21 80.5°F 84.2°F 77.8°F
Sep 22 80.4°F 83.5°F 77.7°F
Sep 23 79.9°F 80.8°F 77.1°F
Sep 24 79.6°F 80.7°F 76.9°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 80.8°F 21mi
Matsuyama 79.5°F 38mi
Saijō 82.8°F 58mi
Ōita 82.1°F 73mi
Beppu 83.1°F 74mi

* current water temperature in this city

** straight line distance from Iwakuni