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Latest wave and weather information

Suomenlinna (wave buoy)


09.05.2025, 19:30-20:00
Significant wave height 0.1 m
Highest individual wave ~0.2 m
Waves from south (179°)
Wavelength 71 m
Wave period 6.9 s
Water temperature 5.9 °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)


09.05.2025, 19:30-20:00
Significant wave height 0.2 m
Highest individual wave ~0.4 m
Waves from southwest (241°)
Wavelength 28 m
Wave period 4.3 s
Water temperature 5.4 °C

Plots: 2+2 days     14 days    

Data 14 days (csv)

Harmaja (weather station)


09.05.2025, 20:20-20:30
Wind speed 4.5 m/s
Gust 4.9 m/s
Wind from west (248°)
Air temperature 6.4 °C
Visibility 50.0 km

Plots: 2 days     14 days    

Data 14 days (csv)

See also the Finnish Meteorological Institute's forecast

Kruunuvuorenselkä (weather station)


09.05.2025, 20:20-20:30
Wind speed 3.8 m/s
Gust 4.8 m/s
Wind from west (255°)
Air temperature 6.9 °C
Water temperature 5.8 °C

Plots: 2 days     14 days    

Data 14 days (csv)

Kruunuvuorenselkä (water temperature)


09.05.2025, 20:20-20:30
Water temperature (-1.1m) 5.8 °C
Water temperature (-2.8m) 5.7 °C
Water temperature (-5.3m) 5.1 °C
Water temperature (-7.3m) 4.8 °C
Water temperature (-9.6m) 4.6 °C

Plots: 2 days     14 days     12 months

Data 14 days (csv)