Latest wave and weather information

Suomenlinna (wave model)

02.04.2026, 10:00
Significant wave height 0.3 m
Highest individual wave ~0.7 m
Waves from southwest (203°)
Wavelength 20 m
Wave period 3.6 s
Water temperature --- °C

Plots: 2+2 days 14 days

Look at the present wave conditions.

Helsinki open sea (wave model)

02.04.2026, 10:00
Significant wave height 0.9 m
Highest individual wave ~1.7 m
Waves from west (250°)
Wavelength 42 m
Wave period 5.2 s
Water temperature --- °C

Plots: 2+2 days 14 days

Harmaja (weather station)

02.04.2026, 10:30-10:40
Wind speed 6.3 m/s
Gust 7.5 m/s
Wind from southwest (231°)
Air temperature 1.7 °C
Visibility 19.9 km

Plots: 2 days 14 days

Data 14 days (csv)

See also the Finnish Meteorological Institute's forecast

Kruunuvuorenselkä (weather station)

02.04.2026, 10:30-10:40
Wind speed 7.1 m/s
Gust 8.4 m/s
Wind from southwest (240°)
Air temperature 1.2 °C
Water temperature 1.3 °C

Plots: 2 days 14 days

Data 14 days (csv)

Kruunuvuorenselkä (water temperature)

02.04.2026, 10:30-10:40
Water temperature (-1.1m) 1.3 °C
Water temperature (-2.8m) 1.2 °C
Water temperature (-5.3m) 0.9 °C
Water temperature (-7.3m) 1.0 °C
Water temperature (-9.6m) 0.8 °C

Plots: 2 days 14 days 12 months

Data 14 days (csv)

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.