Water temperature in Helsinki
40.0
°F
April 25, 06:55
Trend:
stableYesterday:
39.7°FTomorrow:
39.9°F
Sunrise:
Sunset:
Day Length:
15 h. 28 min.Helsinki in May
Minimum:
32.6°FAverage:
35.5°FMaximum:
37.9°FSea water temperature in Helsinki today
As of now, in Helsinki, the water temperature is 40.0°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 0.5°F higher than 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 stay about the same.Recent sea temperature and forecast
Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 45.8°F on 2019, while the historical minimum was 36.0°F on 2024.
Daily water temperature in Helsinki
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Apr 11 | 36.7°F | 34.8°F | 35.6°F |
| Apr 12 | 36.4°F | 35.7°F | 35.8°F |
| Apr 13 | 37.2°F | 35.9°F | 35.9°F |
| Apr 14 | 37.4°F | 35.5°F | 35.9°F |
| Apr 15 | 39.6°F | 32.4°F | 36.0°F |
| Apr 16 | 41.6°F | 35.1°F | 36.6°F |
| Apr 17 | 40.2°F | 34.9°F | 36.9°F |
| Apr 18 | 39.5°F | 34.8°F | 37.1°F |
| Apr 19 | 39.2°F | 34.9°F | 38.0°F |
| Apr 20 | 39.3°F | 34.8°F | 38.5°F |
| Apr 21 | 38.8°F | 34.8°F | 38.1°F |
| Apr 22 | 40.8°F | 34.9°F | 38.8°F |
| Apr 23 | 40.0°F | 34.8°F | 38.5°F |
| Apr 24 | 39.7°F | 34.9°F | 39.2°F |
| Apr 25 | 40.0°F | 36.0°F | 39.5°F |
| Apr 26 | 39.9°F | 36.1°F | 39.4°F |
| Apr 27 | 39.8°F | 37.0°F | 39.3°F |
| Apr 28 | 39.8°F | 37.7°F | 39.3°F |
| Apr 29 | 39.5°F | 37.7°F | 39.0°F |
| Apr 30 | 39.8°F | 37.0°F | 39.3°F |
| May 1 | 40.1°F | 39.5°F | 39.6°F |
| May 2 | 40.9°F | 40.6°F | 40.4°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.
