Water temperature in Nagasaki
64.7
°F
May 6, 19:26
Trend:
increasingYesterday:
64.2°FTomorrow:
65.0°F
Sunrise:
Sunset:
Day Length:
13 h. 36 min.Nagasaki in May
Minimum:
59.3°FAverage:
61.1°FMaximum:
62.7°FSea water temperature in Nagasaki today
As of now, in Nagasaki, the water temperature is 64.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is about the same as 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 65.9°F on 2024, while the historical minimum was 63.7°F on 2025.
Daily water temperature in Nagasaki
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Apr 22 | 64.2°F | 63.2°F | 63.1°F |
| Apr 23 | 64.1°F | 63.2°F | 63.2°F |
| Apr 24 | 64.6°F | 63.2°F | 63.2°F |
| Apr 25 | 64.0°F | 63.4°F | 63.5°F |
| Apr 26 | 65.1°F | 62.3°F | 63.7°F |
| Apr 27 | 63.2°F | 62.7°F | 63.4°F |
| Apr 28 | 64.3°F | 63.9°F | 63.7°F |
| Apr 29 | 64.5°F | 63.7°F | 63.8°F |
| Apr 30 | 64.5°F | 63.2°F | 64.0°F |
| May 1 | 64.7°F | 63.4°F | 64.3°F |
| May 2 | 64.9°F | 64.5°F | 64.6°F |
| May 3 | 65.0°F | 63.7°F | 64.4°F |
| May 4 | 64.8°F | 63.9°F | 64.4°F |
| May 5 | 64.2°F | 63.5°F | 64.4°F |
| May 6 | 64.7°F | 63.7°F | 64.7°F |
| May 7 | 65.0°F | 63.8°F | 65.0°F |
| May 8 | 65.2°F | 64.4°F | 65.2°F |
| May 9 | 65.3°F | 64.5°F | 65.3°F |
| May 10 | 65.4°F | 64.6°F | 65.4°F |
| May 11 | 65.6°F | 64.8°F | 65.7°F |
| May 12 | 65.8°F | 64.9°F | 65.8°F |
| May 13 | 65.8°F | 64.2°F | 65.8°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.