Station Information

Station ID: 1113
Latitude: 58.995212
Longitude: 9.856379
Coastline code: 40
Station code: 310
Country: NORWAY
Time span of data: 1965 – 2016
Completeness (%): 75
Frequency Code: 24
Date of last update: 24 Jan 2018

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station

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.

Station Documentation

Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Helgeroa 040/310 RLR(1966) is 8.3m below BM F38 N29
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 30-MAR-95 :
Tide gauge network modernised, new equipment installed in 1987
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Jan-2009 :
Following the input of revised data values station made Metric awaiting datum information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-Apr-2009 :
2007/8 mean sea level values entered as METRIC only awaiting confirmation of a datum query.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 27-Oct-2009 :
The Norwegian Mapping Authority have revised their datasets. Whole dataset is now referred to TGBM F38 N29 which is 2.312m above TGZ. As a result RLR has been re-calculated year chosen was 1984 RLR value before 6.988.Revised RLR factor is now 6.088m
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-Sep-2012 :
For information on sea level rise along the Norwegian coast see paper "Contributions to sea level variability along the Norwegian coast for 1960-2010" by K. Richter, J.E.O. Nilsen and H. Drange.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Nov-2015 :
The PSMSL has been notified by the Norwegian Authority that the tide gauge at Helgeroa is sinking. The rate of sinking has been confirmed as 0.22mm/year. With the supply of the 2014 sea level data a revised dataset beginning January 1988 has been supplied. Future data will be supplied with the correction applied.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 25-Jan-2018 :
Monthly mean value for December 1987 has been updated using values supplied by the Norwegian Mapping Authority.

Data Authority

Norwegian Mapping Authority
Hydrographic Service
Po. Box 60
4001 Stavanger