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Helsinki

Sea temperature Helsinki today

Uusimaa · Finland

Water temperature
10.3°
11° airCloudy · Feels like 6°

The water temperature is 10.3 °C, so quite cold, and tomorrow the air will reach 12 °C. Waves will be low, up to 0.5 m. The sea will hold at around 10 °C for the rest of the week.

Waves
0.5 m
Wind SE
23 km/h
Gusts
42 km/h

Updated: 22 Oct, 00:18

Sea temperature for 7 days

water low / high
  • Today22 Oct10.3°10.4°0.6 m
  • Tomorrow23 Oct10.3°10.4°0.6 m
  • Saturday24 Oct10.4°10.5°0.6 m
  • Sunday25 Oct10.4°10.5°0.8 m
  • Monday26 Oct10.4°10.5°0.9 m
  • Tuesday27 Oct10.3°10.3°0.8 m
  • Wednesday28 Oct10.1°10.2°0.8 m

Waves

0.5 m

Period 3.3 s. From SE.

Swell

0.2 m

Waves from the open sea, from SE. Wind waves 0.4 m.

Sea current

0.4 km/h

Flowing towards W.

Wind

23 km/h · gusts 42

Blowing from SE.

Sea temperature Helsinki by month

  1. 0°Jan
  2. 0°Feb
  3. 1°Mar
  4. 4°Apr
  5. 10°May
  6. 16°Jun
  7. 19°Jul
  8. 20°Aug
  9. 17°Sep
  10. 11°Oct
  11. 6°Nov
  12. 2°Dec

Long-term averages, the current month is highlighted.

When to swim in Helsinki?

Swimming seasonJul – AugSea temperature above 18 °C
Warmest monthAugAverage 20 °C
Coldest monthFebAverage -0 °C
Annual average8.7 °CAverage sea temperature