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Latest wave and weather information

Suomenlinna (wave buoy)


19.07.2025, 01:30-02:00
Significant wave height 0.1 m
Highest individual wave ~0.2 m
Waves from southeast (120°)
Wavelength 23 m
Wave period 3.9 s
Water temperature 18.5 °C

Plots: 2+2 days   14 days   

Data 14 days (csv)

Look at the present wave conditions.

Information by SMS: send BUOY SUOMENLINNA to 16161 (0,85€/message).

Helsinki open sea (wave buoy)


19.07.2025, 01:30-02:00
Significant wave height 0.5 m
Highest individual wave ~1.0 m
Waves from east (103°)
Wavelength 32 m
Wave period 4.5 s
Water temperature 19.7 °C

Plots: 2+2 days   14 days   

Data 14 days (csv)

Harmaja (weather station)


19.07.2025, 02:20-02:30
Wind speed 5.3 m/s
Gust 6.5 m/s
Wind from northeast (60°)
Air temperature 19.1 °C
Visibility 20.0 km

Plots: 2 days   14 days   

Data 14 days (csv)

See also the Finnish Meteorological Institute's forecast

Kruunuvuorenselkä (weather station)


19.07.2025, 02:20-02:30
Wind speed 2.5 m/s
Gust 3.2 m/s
Wind from northeast (40°)
Air temperature 18.7 °C
Water temperature 18.8 °C

Plots: 2 days   14 days   

Data 14 days (csv)

Kruunuvuorenselkä (water temperature)


19.07.2025, 02:20-02:30
Water temperature (-1.1m) 18.8 °C
Water temperature (-2.8m) 17.6 °C
Water temperature (-5.3m) 17.1 °C
Water temperature (-7.3m) 15.0 °C
Water temperature (-9.6m) 13.9 °C

Plots: 2 days   14 days   12 months

Data 14 days (csv)