An anchorage area is an area where vessels anchor or may achor. 

Anchorage Areas (with a buffer of 0.5km) are a soft constraint which might have implications for any future development of the following resources within the Welsh National Marine Plan area:

  • Aggregates
  • Aquaculture Bivalve Seabed
  • Aquaculture Bivalve Suspended
  • Aquaculture Seaweed Suspended
  • Tidal Range
  • Tidal Stream Seabed
  • Tidal Stream Surface-Mid
  • Wave Seabed
  • Wave Surface
  • Offshore Floating Wind

This layer was derived from data supplied by OceanWise, as well as additional areas identified by Welsh Government based on local knowledge and discussions with the ports and shipping sector.

Attribution statement

© British Crown and OceanWise, 2025. All rights reserved. License No. EK001-20120402. Not to be used for Navigation. Contains public sector information licensed under the Open Government Licence v3.0.

Data source

Oceanwise & Welsh Government

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Attributes (13)

Attribute name Label Description
ag Aggregates
aq_bi_se Aquaculture Bivalve Seabed
aq_bi_su Aquaculture Bivalve Suspended
aq_se_su Aquaculture Seaweed Suspended
ti_ra Tidal Range
ti_st_se Tidal Stream Seabed
ti_st_su Tidal Stream Surface-Mid
wa_se Wave Seabed
wa_su Wave Surface
wi Offshore Floating Wind
geom
name
enw

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Type:
Spatial data
Category:
Oceans

Features and characteristics of salt water bodies (excluding inland waters). Examples: tides, tidal waves, coastal information, reefs

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Date modified:
07 November 2025
Licence:
Varied / Derived

Copyright:

None

Point of contact:
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Language
English
Spatial Representation Type
Vector data is used to represent geographic data