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Sea temperature Kotka today

Kymenlaakso · Finland

Water temperature
11.5°
12° airMostly clear · Feels like 6°

The sea is 11.5 °C, which is cold, with up to 12 °C on land during the day. Waves will be moderate, up to 0.9 m, with the south-easterly wind picking up, gusting up to 53 km/h. The sea temperature will stay similar all week, around 11 °C.

Waves
0.8 m
Wind S
32 km/h
Gusts
50 km/h

Sea temperature for 4 days

water low / high
  • Today25 Oct11.5°11.6°0.9 m
  • Tomorrow26 Oct11.3°11.5°1.0 m
  • Tuesday27 Oct10.9°11.3°1.2 m
  • Wednesday28 Oct10.8°10.9°1.2 m

Waves

0.8 m

Period 3.7 s. From S.

Swell

< 0.1 m

Waves from the open sea, from SW. Wind waves 0.7 m.

Sea current

0.5 km/h

Flowing towards NW.

Wind

32 km/h · gusts 50

Blowing from S.

Sea temperature Kotka by month

  1. 0°Jan
  2. 0°Feb
  3. 0°Mar
  4. 3°Apr
  5. 9°May
  6. 15°Jun
  7. 19°Jul
  8. 20°Aug
  9. 18°Sep
  10. 12°Oct
  11. 6°Nov
  12. 2°Dec

Long-term averages, the current month is highlighted.

When to swim in Kotka?

Swimming seasonJul – AugSea temperature above 18 °C
Warmest monthAugAverage 20 °C
Coldest monthFebAverage -0 °C
Annual average8.6 °CAverage sea temperature