How we are developing policies for the sustainable use of our seas.

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First published:
25 October 2018
Last updated:

Welsh National Marine Plan

We are working on the first Welsh National Marine Plan (WNMP). It sets out Welsh Government’s policy for the next 20 years for the sustainable use of our seas.

Under the Marine and Coastal Access Act (MCAA), we must produce a Marine Plan. Welsh Ministers are the planning authority for the Welsh:

  • inshore region (out to 12 nautical miles)
  • offshore region (12 to 200 nautical miles)

The WNMP will:

  • support our vision for clean, healthy, safe and diverse seas
  • guide future sustainable development
  • support the growth of marine space and natural resources (’blue growth’)


Having a strong evidence base will:

  • improve our knowledge of our seas
  • inform their sustainable use and management
  • enable effective marine planning

Our evidence base includes:

We will review and update the marine evidence report to help our understanding of Welsh seas.

Developing the plan

The WNMP will contain plans and policies for both the inshore and offshore regions. Implementation guidance will help authorities understand the decisions they will need to take.

To develop an effective plan we need your input, and will involve you in various ways:

We are now working with stakeholders as we move towards settling the final plan text.

Once approved by our Ministers, we aim to publish the first WNMP in Summer 2019.

Our animation explains the marine planning process.