Water temperature in Hiroshima
59.0
°F
April 7, 17:08
Trend:
increasingYesterday:
58.0°FTomorrow:
59.6°F
Sunrise:
Sunset:
Day Length:
12 h. 45 min.Hiroshima in April
Minimum:
56.2°FAverage:
58.3°FMaximum:
59.4°FSea water temperature in Hiroshima today
As of now, in Hiroshima, the water temperature is 59.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 3.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 57.9°F on 2021, while the historical minimum was 54.1°F on 2025.
Daily water temperature in Hiroshima
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Mar 24 | 54.1°F | 55.6°F | 54.2°F |
| Mar 25 | 54.3°F | 54.0°F | 53.9°F |
| Mar 26 | 54.8°F | 54.8°F | 54.3°F |
| Mar 27 | 55.0°F | 56.2°F | 54.2°F |
| Mar 28 | 55.0°F | 56.1°F | 54.5°F |
| Mar 29 | 55.4°F | 56.3°F | 54.6°F |
| Mar 30 | 55.7°F | 56.5°F | 54.7°F |
| Mar 31 | 58.7°F | 56.6°F | 55.4°F |
| Apr 1 | 58.4°F | 56.7°F | 56.0°F |
| Apr 2 | 57.8°F | 56.8°F | 55.6°F |
| Apr 3 | 56.2°F | 54.4°F | 55.3°F |
| Apr 4 | 56.7°F | 54.1°F | 55.5°F |
| Apr 5 | 57.2°F | 50.4°F | 55.6°F |
| Apr 6 | 58.0°F | 54.3°F | 56.0°F |
| Apr 7 | 59.0°F | 54.1°F | 55.8°F |
| Apr 8 | 59.6°F | 55.8°F | 56.4°F |
| Apr 9 | 59.4°F | 55.4°F | 56.2°F |
| Apr 10 | 59.6°F | 56.0°F | 56.5°F |
| Apr 11 | 59.7°F | 56.2°F | 56.5°F |
| Apr 12 | 59.9°F | 57.8°F | 56.8°F |
| Apr 13 | 59.8°F | 57.9°F | 56.6°F |
| Apr 14 | 60.1°F | 58.0°F | 57.0°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.
