Skip to content

Evidence for the Welsh National Marine Plan

The content of this page is not being updated. Get up to date information on Marine and Fisheries at

Effective marine planning requires a good evidence base and, with time, will help us to improve our knowledge of Welsh seas.

Evidence relating to Welsh Seas has been collated and analysed to inform development of the Welsh National Marine Plan (WNMP). An overview of the current evidence base is presented in the Wales’ Marine Evidence Report.

A Sustainability Appraisal (SA) and Habitats Regulation Assessment (HRA) is informing the development of the WNMP.

As part of the marine planning process, various research has been undertaken to help develop the evidence base and support policy development. 

WNMP related evidence includes:

Viewing our marine evidence – the Marine Planning Portal

As part of the marine planning process we have made available a Marine Planning Portal to allow users to view and understand spatial evidence relating to Welsh Seas. The portal shows the spatial distribution of our marine natural resources and how we make use of them.