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.
Nearby GNSS Stations from SONEL: SAMO
Nearby Real Time Stations from VLIZ: upol
Fast Delivery Data from UHSLC station 401: hourly and daily
Research Quality Data from UHSLC station 401: hourly and daily
Supplying authority (NTC) have confirmed that all data refers to LAT (93-94). Tide gauge benchmark BM 201 is 2.0229 m above LAT. RLR (2009) is defined as 8.2 m below BM 201
Documentation added 2010-08-25
Sensor appears to be subsiding NTC's Pacific country report for Samoa (December 2009) states that over the period 1992-2009, the sensor has fallen relative to the TGBM by 0.9 mm per year
Documentation added 2021-02-03
As well as adding 2020 data the value for March 2019 has been revised.
Data Authority
National Tidal Centre Bureau of Meteorology PO Box 421 Kent Town 5071 South Australia