Latest wave and weather information
Suomenlinna (wave buoy)
29.08.2025, 14:30-15:00
Significant wave height 0.7 m
Highest individual wave ~1.4 m
Waves from east (110°)
Wavelength 35 m
Wave period 4.8 s
Water temperature 14.7 °C
Look at the present wave conditions.
Information by SMS: send BUOY SUOMENLINNA to 16161 (0,85€/message).
Helsinki open sea (wave buoy)
29.08.2025, 14:30-15:00
Significant wave height 1.3 m
Highest individual wave ~2.6 m
Waves from east (105°)
Wavelength 43 m
Wave period 5.3 s
Water temperature 16.6 °C
Harmaja (weather station)
29.08.2025, 15:20-15:30
Wind speed 10.6 m/s
Gust 12.5 m/s
Wind from east (82°)
Air temperature 14.7 °C
Visibility 7.1 km
See also the Finnish Meteorological Institute's forecast
Kruunuvuorenselkä (weather station)
29.08.2025, 15:20-15:30
Wind speed 7.0 m/s
Gust 10.4 m/s
Wind from east (88°)
Air temperature 14.4 °C
Water temperature 13.5 °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.
