Latest wave and weather information
Suomenlinna (wave model)
16.01.2026, 22:00
Significant wave height 0.6 m
Highest individual wave ~1.2 m
Waves from south (169°)
Wavelength 29 m
Wave period 4.3 s
Water temperature --- °C
Helsinki open sea (wave buoy)
16.01.2026, 22:00-22:30
Significant wave height 1.3 m
Highest individual wave ~2.6 m
Waves from southeast (144°)
Wavelength 35 m
Wave period 4.8 s
Water temperature 1.2 °C
Harmaja (weather station)
16.01.2026, 22:40-22:50
Wind speed 7.6 m/s
Gust 9.1 m/s
Wind from south (191°)
Air temperature -3.7 °C
Visibility 15.8 km
See also the Finnish Meteorological Institute's forecast
Kruunuvuorenselkä (weather station)
16.01.2026, 22:40-22:50
Wind speed 6.3 m/s
Gust 9.3 m/s
Wind from southwest (208°)
Air temperature -3.8 °C
Water temperature -0.7 °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.