PSMSL dataset information page

Short Description

Distribution of PSMSL Stations

Statement: Permanent Service for Mean Sea Level (PSMSL)

Abstract: The PSMSL was established in 1933, and is the global data bank for long term sea level change information from tide gauges. The PSMSL collect data from several hundred gauges situated all over the globe. As of December 2006, the database of the PSMSL contains over 55000 station-years of monthly and annual mean values of sea level from almost 2000 tide gauge stations around the world received from almost 200 national authorities. On average, approximately 2000 station-years of data are entered into the database each year.

Data format

Data type: Sea level
Data origin: Measured
Data format: ASCII
Other format: 80-byte ASCII records
Data resolution: Point source data

Data Coverage

Spatial data coverage: Global
Temporal data coverage: Time series
Time period covered: 1933 -> present


Download data:
Data source:


  • If you use data from the PSMSL, then please make sure to acknowledge the Service in your reports.