Water temperature in Iwakuni
66.5
°F
May 23, 03:56
Trend:
increasingYesterday:
65.9°FTomorrow:
67.0°F
Sunrise:
Sunset:
Day Length:
14 h. 6 min.Iwakuni in May
Minimum:
56.5°FAverage:
58.0°FMaximum:
59.4°FSea water temperature in Iwakuni today
As of now, in Iwakuni, the water temperature is 66.5°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 1.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.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 66.9°F on 2025, while the historical minimum was 63.5°F on 2018.
Daily water temperature in Iwakuni
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| 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 | 63.0°F |
| May 17 | 68.3°F | 61.9°F | 63.2°F |
| May 18 | 67.3°F | 63.1°F | 64.1°F |
| May 19 | 67.7°F | 63.2°F | 64.4°F |
| May 20 | 67.2°F | 63.5°F | 64.3°F |
| May 21 | 66.9°F | 63.8°F | 64.6°F |
| May 22 | 65.9°F | 64.1°F | 64.4°F |
| May 23 | 66.5°F | 66.9°F | 65.0°F |
| May 24 | 67.0°F | 67.1°F | 65.4°F |
| May 25 | 67.7°F | 67.1°F | 66.2°F |
| May 26 | 67.3°F | 65.5°F | 65.8°F |
| May 27 | 67.3°F | 65.3°F | 65.7°F |
| May 28 | 67.3°F | 64.2°F | 65.8°F |
| May 29 | 67.1°F | 64.3°F | 65.6°F |
| May 30 | 67.3°F | 65.5°F | 65.7°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.