Water temperature in San Sebastian
87.1
°F
September 6, 10:00
Trend:
stableYesterday:
87.2°FTomorrow:
87.5°F
Sunrise:
Sunset:
Day Length:
12 h. 17 min.San Sebastian in September
Minimum:
81.0°FAverage:
82.3°FMaximum:
84.8°FSea water temperature in San Sebastian today
As of now, in San Sebastian, the water temperature is 87.1°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.7°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 rise a bit.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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 87.7°F on 2020, while the historical minimum was 85.4°F on 2023.
Daily water temperature in San Sebastian
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 23 | 86.5°F | 85.4°F | 86.3°F |
| Aug 24 | 87.2°F | 85.3°F | 86.2°F |
| Aug 25 | 88.1°F | 85.5°F | 86.4°F |
| Aug 26 | 87.9°F | 85.5°F | 86.3°F |
| Aug 27 | 87.8°F | 85.5°F | 86.3°F |
| Aug 28 | 87.5°F | 85.6°F | 86.4°F |
| Aug 29 | 87.4°F | 85.7°F | 86.5°F |
| Aug 30 | 87.2°F | 85.5°F | 86.3°F |
| Aug 31 | 87.2°F | 85.4°F | 86.2°F |
| Sep 1 | 87.2°F | 85.3°F | 86.3°F |
| Sep 2 | 87.7°F | 85.3°F | 86.3°F |
| Sep 3 | 86.8°F | 85.4°F | 86.3°F |
| Sep 4 | 87.1°F | 85.3°F | 86.3°F |
| Sep 5 | 87.2°F | 85.5°F | 86.5°F |
| Sep 6 | 87.1°F | 85.5°F | 86.4°F |
| Sep 7 | 87.5°F | 85.5°F | 86.8°F |
| Sep 8 | 87.4°F | 85.2°F | 86.7°F |
| Sep 9 | 87.4°F | 85.1°F | 86.7°F |
| Sep 10 | 87.4°F | 85.4°F | 86.6°F |
| Sep 11 | 87.5°F | 85.1°F | 86.8°F |
| Sep 12 | 87.3°F | 85.0°F | 86.5°F |
| Sep 13 | 87.1°F | 85.0°F | 86.3°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.