Latest wave and weather information
Suomenlinna (wave buoy)
25.04.2024, 03:30-04:00
Significant wave height 0.4 m
Highest individual wave ~0.8 m
Waves from east (91°)
Wavelength 10 m
Wave period 2.6 s
Water temperature 2.5 °C
Look at the present wave conditions.
Information by SMS: send BUOY SUOMENLINNA to 16161 (0,85€/message).
Helsinki open sea (wave buoy)
25.04.2024, 04:00-04:30
Significant wave height 0.7 m
Highest individual wave ~1.4 m
Waves from east (106°)
Wavelength 22 m
Wave period 3.8 s
Water temperature 1.9 °C
Harmaja (weather station)
25.04.2024, 04:40-04:50
Wind speed 7.1 m/s
Gust 9.9 m/s
Wind from northeast (59°)
Air temperature 2.8 °C
Visibility 37.6 km
See also the Finnish Meteorological Institute's forecast
Kruunuvuorenselkä (weather station)
25.04.2024, 04:40-04:50
Wind speed 6.6 m/s
Gust 8.6 m/s
Wind from northeast (67°)
Air temperature 3.1 °C
Water temperature 1.9 °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.