Water temperature in Nagasaki
80.2
°F
September 26, 10:49
Trend:
stableYesterday:
80.2°FTomorrow:
80.2°F
Sunrise:
Sunset:
Day Length:
12 h. 2 min.Nagasaki in October
Minimum:
59.0°FAverage:
60.6°FMaximum:
62.7°FSea water temperature in Nagasaki today
As of now, in Nagasaki, the water temperature is 80.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 82.9°F on 2025, while the historical minimum was 76.9°F on 2017.
Daily water temperature in Nagasaki
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 12 | 81.2°F | 84.9°F | 81.7°F |
| Sep 13 | 80.7°F | 84.7°F | 81.7°F |
| Sep 14 | 80.7°F | 84.2°F | 81.5°F |
| Sep 15 | 80.7°F | 83.7°F | 81.4°F |
| Sep 16 | 81.4°F | 83.7°F | 81.4°F |
| Sep 17 | 81.2°F | 85.2°F | 81.5°F |
| Sep 18 | 81.3°F | 84.8°F | 81.3°F |
| Sep 19 | 80.9°F | 84.6°F | 81.0°F |
| Sep 20 | 81.0°F | 84.3°F | 80.6°F |
| Sep 21 | 80.6°F | 84.0°F | 80.3°F |
| Sep 22 | 80.6°F | 83.3°F | 80.1°F |
| Sep 23 | 80.1°F | 82.7°F | 79.7°F |
| Sep 24 | 80.1°F | 83.1°F | 79.5°F |
| Sep 25 | 80.2°F | 82.5°F | 79.3°F |
| Sep 26 | 80.2°F | 82.9°F | 79.3°F |
| Sep 27 | 80.2°F | 83.1°F | 79.2°F |
| Sep 28 | 80.2°F | 82.5°F | 79.2°F |
| Sep 29 | 80.2°F | 81.8°F | 79.2°F |
| Sep 30 | 80.0°F | 81.8°F | 79.1°F |
| Oct 1 | 79.8°F | 81.6°F | 78.9°F |
| Oct 2 | 79.6°F | 81.8°F | 78.7°F |
| Oct 3 | 79.4°F | 81.3°F | 78.5°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.