Permanent Service for Mean Sea Level

PSMSL provides sea-level data products and updates, with a catalogue of past data releases and related training resources.

psmsl.org
Permanent Service for Mean Sea Level homepage screenshot

About Permanent Service for Mean Sea Level

The Permanent Service for Mean Sea Level (PSMSL) is a global data bank for long-term sea level change information from tide gauges and bottom pressure recorders. It is based at and supported by the UK's National Oceanography Centre. Users can obtain and submit sea level data, browse the data set through Google Earth, and obtain derived products. The site also offers FAQs, training material and software documentation, including information on non-oceanographic signals such as glacial isostatic adjustment and atmospheric pressure.

Pricing is not clearly stated.

Key features

  • Obtain and submit sea level data from tide gauges, GNSS receivers and bottom pressure recorders
  • Browse the data set via Google Earth
  • Obtain derived products, regional commentaries and author archives
  • FAQs, training and software documentation
  • Information on non-oceanographic signals in tide gauge records

Permanent Service for Mean Sea Level at a glance

Official website
psmsl.org
Type
Dataset
Platforms
Web
Details verified
Oct 23, 2026 · Official source
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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