About Us
Established in 1933, the Permanent Service for Mean Sea Level (PSMSL) has been
responsible for the collection, publication, analysis and interpretation of
sea level data from the global network of tide gauges. It is based in
Liverpool at the
National Oceanography Centre
(NOC).
Learn much more about PSMSL, including an overview of the data sets and
reporting structures, as well as others other activities of the service
Read about changes and events at PSMSL
Review our annual reports
Browse other reports generated by PSMSL