Welcome to the
Permanent Service for Mean Sea Level (PSMSL)

IAPSO-IAMAS-IAGA Joint Assembly
27 August - 1 September 2017, Cape Town, South Africa

PSMSL is the global data bank for long term sea level change information from tide gauges and bottom pressure recorders.

small icon for map-based data page small icon for table-based data page small icon for download all data page map of recently updated records Tide gauge records updated in the 30 days prior to
17 Apr 2017

About Us:

Learn about PSMSL, contact us, read news items and annual reports

Data:

Obtain and submit tide gauge and bottom pressure data

Products:

Browse the data set via GoogleEarth or obtain derived products, view regional commentaries and author archives

Training & 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 contacts