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.
gauge established in December 1989 but problems of subsidence reported,records for 1991-93 are corrected for the known subsidence
Documentation added 2000-04-25
Trondheim 2 040/142 RLR(1995) is 13.9m below BM G24 N144
Documentation added 2009-10-26
The gauge at Trondheim is sinking at a rate of 1-2mm per year. They will look at new levelling data before deciding what to do. See letter of 24th March 2009.
Documentation added 2012-09-05
For information of sea level change along the Norwegian coast see paper "Contributions to sea level rise along the Norwegian coast for 1960-2010" by K. Richter, J.E.O. Nilsen and H. Drange.
Documentation added 2015-11-17
The PSMSL has been notified by the Norwegian Authority that the tide gauge at Trondheim is sinking. The rate of sinking has been confirmed as 0.85mm/year. with the supply of the 2014 sea level data a revised dataset beginning January 1990 has been supplied. Future data will be supplied with the correction applied.
Data Authority
Norwegian Mapping Authority Hydrographic Service Po. Box 60 4001 Stavanger