The CHLO4MSFD portal makes part of the Copernicus Marine Environment Monitoring Services (CMEMS). It will help you find, view and download chlorophyll-a data from satellites to support the EU marine waters quality assessments required by the Marine Strategy Framework Directive (MSFD 2008/56/EC)



Areas of Benefit: Coastal and marine environment.


Regions: Baltic Sea, European North-west Shelf Seas, Iberian-Biscay-Irish Regional Seas, Mediterranean Sea, Black Sea.


Credits: Generated using E.U. Copernicus Marine Service Information.

The CHLO4MSFD service is a free and operational Service that delivers chlorophyll-a data from satellites to support the Marine Strategy Framework Directive (MSFD 2008/56/EC) across EU marine waters.

Read More

The data used in the portal include products selected from the Copernicus Marine Service catalogue as well as new derived products generated from other Copernicus Marine Service products.

Read More

CHLO4MSFD Service has been specially designed to be fast intuitive and user friendly to help users with no expertise on using satellite data, view and extract chlorophyll-a data from satellites in a nutshell.

Read More

Survey: your opinion on CHLO4MSFD products

A few months ago we conducted a survey to know your preferences on satellite-derived chlorophyll-a data and products. We really appreciate your participation and we are sharing the results in this post.

The recent MSFD Commission Decision (EU) 2017/848.

The recent MSFD Commission Decision (EU) 2017/848 of 17 May 2017 lays down criteria and methodological standards on good environmental status of marine waters, and specifications and standardised methods for monitoring and assessment.