Latest wave and weather information
Suomenlinna (wave buoy)
25.09.2023, 23:30-00:00
Significant wave height 0.7 m
Highest individual wave ~1.4 m
Waves from southwest (215°)
Wavelength 23 m
Wave period 3.9 s
Water temperature 15.7 °C
Look at the present wave conditions.
Information by SMS: send BUOY SUOMENLINNA to 16161 (0,85€/message).
Helsinki open sea (wave buoy)
26.09.2023, 00:00-00:30
Significant wave height 1.3 m
Highest individual wave ~2.6 m
Waves from southwest (246°)
Wavelength 46 m
Wave period 5.4 s
Water temperature 15.8 °C
Harmaja (weather station)
26.09.2023, 00:40-00:50
Wind speed 10.2 m/s
Gust 12.7 m/s
Wind from southwest (219°)
Air temperature 15.5 °C
Visibility 35.7 km
See also the Finnish Meteorological Institute's forecast
Kruunuvuorenselkä (weather station)
26.09.2023, 00:40-00:50
Wind speed 10.2 m/s
Gust 12.5 m/s
Wind from southwest (246°)
Air temperature 15.6 °C
Water temperature 15.3 °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.