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Latest wave and weather information

Suomenlinna (wave buoy)


16.05.2026, 01:30-02:00
Significant wave height 0.1 m
Highest individual wave ~0.2 m
Waves from south (166°)
Wavelength 80 m
Wave period 7.4 s
Water temperature 8.0 °C

Plots: 2+2 days   14 days   

Data 14 days (csv)

Look at the present wave conditions.

Helsinki open sea (wave buoy)


16.05.2026, 01:30-02:00
Significant wave height 0.2 m
Highest individual wave ~0.4 m
Waves from west (250°)
Wavelength 54 m
Wave period 5.9 s
Water temperature 6.8 °C

Plots: 2+2 days   14 days   

Data 14 days (csv)

Harmaja (weather station)


16.05.2026, 02:20-02:30
Wind speed 3.3 m/s
Gust 3.9 m/s
Wind from north (342°)
Air temperature 8.7 °C
Visibility 20.0 km

Plots: 2 days   14 days   

Data 14 days (csv)

See also the Finnish Meteorological Institute's forecast

Kruunuvuorenselkä (weather station)


16.05.2026, 02:20-02:30
Wind speed 2.6 m/s
Gust 3.2 m/s
Wind from northeast (26°)
Air temperature 11.3 °C
Water temperature 8.7 °C

Plots: 2 days   14 days   

Data 14 days (csv)

Kruunuvuorenselkä (water temperature)


16.05.2026, 02:20-02:30
Water temperature (-1.1m) 8.7 °C
Water temperature (-2.8m) 8.1 °C
Water temperature (-5.3m) 7.6 °C
Water temperature (-7.3m) 7.6 °C
Water temperature (-9.6m) 7.5 °C

Plots: 2 days   14 days   12 months

Data 14 days (csv)