Station Information

Station ID: 1842
Latitude: -21.136806
Longitude: -175.180694
Coastline code: 744
Station code: 2
Country: TONGA
Time span of data: 1993 – 2016
Completeness (%): 99
Frequency Code: 24
Link to ellipsoid: Available
Date of last update: 25 Jan 2017

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.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: TONG
Nearby Real Time Stations from VLIZ: nkfa
Fast Delivery Data from UHSLC station 38: hourly and daily
Research Quality Data from UHSLC station 38: hourly and daily

Station Documentation

Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-JAN-98 :
National Tidal Facility SEAFRAME station
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Aug-2010 : Supplying authority have confirmed that tide gauge zero is chart datum (1990)Tide gauge benchmark TON 1 is 2.0686 m above chart datum RLR is defined as 8.0 m below TON 1

Data Authority

National Tidal Centre
Bureau of Meteorology
PO Box 421
Kent Town 5071
South Australia

=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Aug-2010 :
Formerly known as the National Tidal Facility