Welsh Government Welsh Government
Wales Marine Planning Portal

Wales Marine Planning Portal


The marine planning portal for Wales allows anyone to view maps online showing the distribution of human activities and natural resources in Welsh seas. The portal is an interactive planning tool that is intended to support the marine planning process by:

We will be adding new layers and refreshing existing data layers with time as our evidence base develops.


For guidance on how to use the mapping functions of the Portal, please click here or on the Help buttons at the top of this page, and on the mapping window.


Whilst the Welsh Government seeks to ensure that the information published on its website is up to date and accurate, the data displayed in this portal frequently originates from a variety of external sources which are outside of its control. These can be of a highly variable quality in respect of their spatial resolution, number of data points, quality control, timeliness etc. Accordingly, an information note function is usually provided which explains the characteristics of each data set and, where possible, includes links to original source material where viewers can make their own judgement. The information on the website does not constitute legal or professional advice or show legal practice for which the appropriate legislation should be directly referenced. The Welsh Government cannot accept any liability for actions arising from its use. The Welsh Government cannot be held responsible for the contents of any pages referenced by an external link. Any personal data collected through this website will be treated as confidential in line with the principles of the Data Protection Act 1998.

Contact us

More information on the Marine Planning process in Wales can be obtained from here. Should you wish to comment on this portal or the data that it displays, please contact us.

v3.2 Updates to this version (24/05/2018)