Current and historical global sea levels

Global Sea Levels Graph

This graph features global sea level measurements from as far back as 800,000 years up to the present time with an atmospheric temperature overlay option. The graph is customizable and can be resized, printed, or pasted into your website. This is a free service, but we do ask for a donation if you find this useful. This is a project of the 2 Degrees Institute, a non-profit organization.

A graph for researchers and educators

Key features

Current and Historical data

Global sea levels are updated as soon as the latest values become available. Historical data from multiple sources are combined to produce a continual record from 800,000 years ago up to the present day. Learn more about the data sources.

Free Sea Levels Graph

This interactive graph is free to use on your website. Simply choose your color theme and then copy and paste 2 lines of code. Data and source code is hosted on our servers so you do not have to worry about using up your server's bandwidth. New sea level measurement data is updated automatically when available and temperature data is updated monthly.

Zoomable and Printable

View global sea levels and/or temperature over a span of thousands of years or zoom to specific time periods. Use your fingers to pinch and zoom on a handheld device or use a mouse with a computer. Export the chart to PNG, JPG, PDF or SVG format with the click of a button or print the chart directly from the web page.

Customizable and Responsive

Choose from 4 color themes to match your website's look and feel. Customize the width and height of your graph or have it fill your entire screen. The global sea levels graph is responsive and can automatically resize to fit whatever device or screen size it is being viewed on.

Modern and paleoclimatic sea level data combined.

Data Sources

Getting the Data Right.

Our Team of Scientific Advisors

Dr. Pieter Tans
NOAA's Earth System Research Laboratory

Dr. James Hansen
Columbia University

Dr. Geoff Dutton
NOAA's Earth System Research Laboratory

Dr. Jeremy Shakun
Boston College

Watch this educational video.

Measuring the Rising Seas

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