Station Information

Station ID: 446
Latitude: 7.833333
Longitude: 98.433333
Coastline code: 545
Station code: 1
Time span of data: 1940 – 2022
Completeness (%): 94
Date of last update: 15 Sep 2023

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric 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)

Fast Delivery Data from UHSLC station 148: hourly and daily
Research Quality Data from UHSLC station 148: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Ko Taphao Noi 545/001 RLR(1981) is 9.8m below BM S.I.

Documentation added 2011-07-12

While checking datum and benchmark information prior to the uploading of the RLR diagram onto the website the following information was discovered. From 1987 onwards the benchmark was BM 105 5.429m above the 1940-1987 datum. In 1988 the datum was raised 14mm. BM 105 then became 5.415m above the revised 1988 datum. In 1998 the primary benchmark became AS-1/2531 5.304m relative to the 1988 datum.

Data Authority

Oceanographic Division
Hydrographic Department
Royal Thai Navy
222 Rimtang-Rodfai-kao Road
Bangna, Bangkok 10260