Latest wave and weather information
Suomenlinna (wave buoy)
19.04.2025, 12:00-12:30
Significant wave height 0.0 m
Highest individual wave ~0.0 m
Waves from south (178°)
Wavelength 56 m
Wave period 6.1 s
Water temperature 5.0 °C
Look at the present wave conditions.
Information by SMS: send BUOY SUOMENLINNA to 16161 (0,85€/message).
Helsinki open sea (wave buoy)
19.04.2025, 12:30-13:00
Significant wave height 0.1 m
Highest individual wave ~0.2 m
Waves from west (262°)
Wavelength 57 m
Wave period 6.1 s
Water temperature 4.0 °C
Harmaja (weather station)
19.04.2025, 13:10-13:20
Wind speed 3.3 m/s
Gust 3.6 m/s
Wind from east (95°)
Air temperature 11.9 °C
Visibility 23.9 km
See also the Finnish Meteorological Institute's forecast
Kruunuvuorenselkä (weather station)
19.04.2025, 13:10-13:20
Wind speed 3.4 m/s
Gust 3.8 m/s
Wind from southeast (147°)
Air temperature 15.8 °C
Water temperature 6.3 °C
Longer data time series from the wave buoys and Harmaja weather station
are available from the Finnish Meteorological Institute's Open data service by
download or
machine-readable WFS interface.
