Helsinki - a city by the sea
Weather now

Latest wave and weather information

Suomenlinna (wave buoy)


15.07.2026, 23:30-00:00
Significant wave height 0.2 m
Highest individual wave ~0.4 m
Waves from northwest (326°)
Wavelength 3 m
Wave period 1.5 s
Water temperature 18.1 °C

Plots: 2+2 days   14 days   

Data 14 days (csv)

Look at the present wave conditions.

Helsinki open sea (wave buoy)


15.07.2026, 23:30-00:00
Significant wave height 0.3 m
Highest individual wave ~0.6 m
Waves from west (278°)
Wavelength 9 m
Wave period 2.4 s
Water temperature 18.9 °C

Plots: 2+2 days   14 days   

Data 14 days (csv)

Harmaja (weather station)


16.07.2026, 00:30-00:40
Wind speed 7.0 m/s
Gust 8.2 m/s
Wind from north (339°)
Air temperature 19.7 °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)


16.07.2026, 00:30-00:40
Wind speed 5.7 m/s
Gust 6.6 m/s
Wind from north (7°)
Air temperature 21.0 °C
Water temperature 17.5 °C

Plots: 2 days   14 days   

Data 14 days (csv)

Kruunuvuorenselkä (water temperature)


16.07.2026, 00:30-00:40
Water temperature (-1.1m) 17.5 °C
Water temperature (-2.8m) 16.3 °C
Water temperature (-5.3m) 15.4 °C
Water temperature (-7.3m) 15.2 °C
Water temperature (-9.6m) 14.2 °C

Plots: 2 days   14 days   12 months

Data 14 days (csv)