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.

Access to the Service

Step 1 - Theme Options

Step 1 - Theme Options

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.

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Step 2 - Setup Slider

Step 2 - Setup Slider

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.

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Step 3 - Create Homepage

Step 3 - Create Homepage

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.

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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.

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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.

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