Water temperature in Niigata
81.0
°F
September 7, 20:49
Trend:
decreasingYesterday:
81.7°FTomorrow:
80.6°F
Sunrise:
Sunset:
Day Length:
12 h. 48 min.Niigata in September
Minimum:
54.4°FAverage:
55.5°FMaximum:
56.1°FSea water temperature in Niigata today
As of now, in Niigata, the water temperature is 81.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°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 fall a bit.Recent sea temperature and forecast
Today's water temperature is considerably 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 83.8°F on 2025, while the historical minimum was 77.5°F on 2021.
Daily water temperature in Niigata
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 24 | 83.1°F | 83.7°F | 82.0°F |
| Aug 25 | 83.6°F | 84.6°F | 82.1°F |
| Aug 26 | 83.3°F | 85.7°F | 82.3°F |
| Aug 27 | 83.0°F | 85.3°F | 82.3°F |
| Aug 28 | 82.7°F | 84.8°F | 82.2°F |
| Aug 29 | 82.2°F | 84.2°F | 81.6°F |
| Aug 30 | 81.9°F | 84.4°F | 81.6°F |
| Aug 31 | 81.4°F | 84.2°F | 81.4°F |
| Sep 1 | 81.3°F | 83.7°F | 81.2°F |
| Sep 2 | 82.2°F | 84.3°F | 81.1°F |
| Sep 3 | 82.3°F | 84.4°F | 81.1°F |
| Sep 4 | 81.4°F | 83.7°F | 80.7°F |
| Sep 5 | 80.8°F | 83.5°F | 80.6°F |
| Sep 6 | 81.7°F | 83.0°F | 80.6°F |
| Sep 7 | 81.0°F | 83.8°F | 80.5°F |
| Sep 8 | 80.6°F | 83.0°F | 80.1°F |
| Sep 9 | 80.4°F | 82.6°F | 80.0°F |
| Sep 10 | 80.2°F | 82.0°F | 79.8°F |
| Sep 11 | 80.1°F | 82.3°F | 79.7°F |
| Sep 12 | 80.2°F | 81.7°F | 79.8°F |
| Sep 13 | 79.7°F | 81.3°F | 79.3°F |
| Sep 14 | 79.8°F | 81.5°F | 79.3°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.