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
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
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
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
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.