Water temperature in Hiroshima
57.6
°F
April 13, 23:17
Trend:
increasingYesterday:
57.0°FTomorrow:
58.0°F
Sunrise:
Sunset:
Day Length:
12 h. 57 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 57.6°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 1.0°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
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 57.9°F on 2025, while the historical minimum was 55.4°F on 2019.
Daily water temperature in Hiroshima
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| 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 | 56.1°F |
| Apr 8 | 57.8°F | 55.8°F | 56.6°F |
| Apr 9 | 57.7°F | 55.4°F | 56.4°F |
| Apr 10 | 57.7°F | 56.0°F | 56.6°F |
| Apr 11 | 56.0°F | 56.2°F | 56.4°F |
| Apr 12 | 57.0°F | 57.8°F | 56.8°F |
| Apr 13 | 57.6°F | 57.9°F | 56.6°F |
| Apr 14 | 58.0°F | 58.0°F | 57.0°F |
| Apr 15 | 58.1°F | 58.3°F | 57.1°F |
| Apr 16 | 58.1°F | 56.6°F | 57.1°F |
| Apr 17 | 58.6°F | 55.1°F | 57.6°F |
| Apr 18 | 58.9°F | 55.4°F | 58.0°F |
| Apr 19 | 59.1°F | 59.2°F | 58.2°F |
| Apr 20 | 59.1°F | 59.3°F | 58.1°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.
