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Permanent Service for Mean Sea Level (PSMSL)
Welcome to the
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News
- PSMSL spam warning
- End of 2024 data release
- End of 2023 data release
- Update to MATLAB zip reader
- Session on GNSS at AGU
- Update of ellipsoid links
- End of 2022 data released
- David Pugh
- End of 2021 data released
- End of 2020 data released
- Data rescue project launched
Explore the Dataset
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Welcome to the
Permanent Service for Mean Sea Level (PSMSL)
PSMSL is the global data bank for long term sea level change information from tide gauges and bottom pressure recorders.
About Us:
Learn about PSMSL, contact us, read news items and annual reportsData:
Obtain and submit sea level data measured by tide gauges, GNSS receivers and bottom pressure recordersProducts:
Browse the data set via Google Earth or obtain derived products, view regional commentaries and author archivesTraining & Information:
A wide variety of FAQs, training and software documentation, information on non-oceanographic signals in tide gauge records (e.g., glacial isostatic adjustment, atmospheric pressure, etc.)Links:
Links to other networks and programs, as well as international sea level contactsThe PSMSL is based at and supported by the UK's National Oceanography Centre. We receive some funding from the UK's Natural Environment Research Council (NERC) but if you'd like to support us, please visit this link











