Please note: In many cases, the station position in our database is accurate
to only one minute. Thus, the tide gauge may not appear to be on the coast.
The site of the tide gauge is subject to subsidence. During the period 1929-95 the datum of observations has sunk 0.510m.
Documentation added 1999-03-10
For a discussion on sea level trends along Black Sea coasts see Variations of the Black Sea Level by S.G.Boguslavsky et al., Physical Oceanography, 9(3), 199-208, 1998.
Documentation added 1999-03-10
Bulgarian sea levels likely to be heavily influenced by river flow.
Documentation added 1999-03-10
New gauge established at Varna in 1985.
Documentation added 1999-03-10
See also comments under Bourgas (code 295/021).
Documentation added 2000-01-25
Varna 295/051 RLR(1939) is 40.4m below BM no. 11
Data Authority
Min. of Regional Dev. and Construction Research Institute of Geodesy and Photogrammetry 1 Moussala Str. 1618 Sofia