Baltic Sea Portal

Choose measurement site

1. Kemi	12 mon.	24 h
2. Oulu	12 mon.	24 h
3. Raahe	12 mon.	24 h
4. Pietarsaari	12 mon.	24 h
5. Vaasa	12 mon.	24 h
6. Kaskinen	12 mon.	24 h
7. Mäntyluoto	12 mon.	24 h
8. Rauma	12 mon.	24 h
9. Turku	12 mon.	24 h
10. Föglö	12 mon.	24 h
11. Hanko	12 mon.	24 h
12. Helsinki	12 mon.	24 h
13. Hamina	12 mon.	24 h

 

Sea level measuring activity is automatic, and the observations are updated every hour.

Sea level values are given with reference to the theoretical mean sea level. The blue ones are measured and red ones interpolated.

Sea level data have only gone through a preliminary check which sould be taken into account when using them. Sea level heights are measured at thirteen stations, mareographs,  on the Finnish coast. Most of them have been in use since the 1920s.

Related topics

• Water movements
• The variation of sea levels

More information

Finnish Meteorological Institute Marine Weather