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Latest wave and weather information

Suomenlinna (wave buoy)


12.10.2024, 22:30-23:00
Significant wave height 0.3 m
Highest individual wave ~0.6 m
Waves from south (193°)
Wavelength 60 m
Wave period 6.2 s
Water temperature 12.6 °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)


12.10.2024, 23:00-23:30
Significant wave height 0.9 m
Highest individual wave ~1.8 m
Waves from southwest (245°)
Wavelength 69 m
Wave period 6.7 s
Water temperature 13.1 °C

Plots: 2+2 days     14 days    

Data 14 days (csv)

Harmaja (weather station)


12.10.2024, 23:40-23:50
Wind speed 2.0 m/s
Gust 2.4 m/s
Wind from north (343°)
Air temperature 8.7 °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)


12.10.2024, 23:40-23:50
Wind speed 1.9 m/s
Gust 2.3 m/s
Wind from northeast (23°)
Air temperature 7.1 °C
Water temperature 11.1 °C

Plots: 2 days     14 days    

Data 14 days (csv)

Kruunuvuorenselkä (water temperature)


12.10.2024, 23:40-23:50
Water temperature (-1.1m) 11.1 °C
Water temperature (-2.8m) 11.8 °C
Water temperature (-5.3m) 11.9 °C
Water temperature (-7.3m) 12.3 °C
Water temperature (-9.6m) 12.2 °C

Plots: 2 days     14 days     12 months

Data 14 days (csv)