Water temperature in Helsinki
55.5
°F
October 7, 06:40
Trend:
decreasingYesterday:
55.8°FTomorrow:
55.1°F
Sunrise:
Sunset:
Day Length:
10 h. 57 min.Helsinki in October
Minimum:
32.0°FAverage:
34.8°FMaximum:
37.6°FSea water temperature in Helsinki today
As of now, in Helsinki, the water temperature is 55.5°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 2.6°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 reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 55.5°F on 2024, while the historical minimum was 50.6°F on 2019.
Daily water temperature in Helsinki
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 23 | 56.6°F | 59.8°F | 56.9°F |
| Sep 24 | 55.7°F | 56.1°F | 56.5°F |
| Sep 25 | 56.0°F | 54.0°F | 56.2°F |
| Sep 26 | 55.7°F | 54.4°F | 56.0°F |
| Sep 27 | 54.5°F | 54.3°F | 55.7°F |
| Sep 28 | 55.0°F | 55.3°F | 55.9°F |
| Sep 29 | 55.4°F | 55.5°F | 55.7°F |
| Sep 30 | 55.2°F | 55.2°F | 55.3°F |
| Oct 1 | 55.7°F | 54.9°F | 55.2°F |
| Oct 2 | 55.0°F | 54.1°F | 54.3°F |
| Oct 3 | 55.9°F | 54.1°F | 54.2°F |
| Oct 4 | 55.3°F | 53.0°F | 53.8°F |
| Oct 5 | 54.6°F | 53.0°F | 53.4°F |
| Oct 6 | 55.8°F | 52.7°F | 53.2°F |
| Oct 7 | 55.5°F | 53.3°F | 52.9°F |
| Oct 8 | 55.1°F | 53.0°F | 52.5°F |
| Oct 9 | 54.6°F | 52.6°F | 52.0°F |
| Oct 10 | 54.5°F | 53.0°F | 51.9°F |
| Oct 11 | 54.2°F | 53.0°F | 51.6°F |
| Oct 12 | 54.2°F | 52.6°F | 51.6°F |
| Oct 13 | 53.2°F | 50.2°F | 50.6°F |
| Oct 14 | 53.5°F | 52.0°F | 50.9°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.
