[Please note – this survey is now complete and the Notice to Mariners has been withdrawn. This information is retained here for reference purposes only.]
Mariners are advised that survey operations are due to be carried out off the North Wales coast within and the Gwynt y Môr Wind Farm during June 2024. This survey has been delayed by a few weeks due to bad weather. A Notice to Mariners can be downloaded here and is summarised below.
Survey location, timing & duration
Routine scour and inter-array cable survey operations will be carried out for eighty (80) wind turbines plus an additional four (4) reference turbines within the Gwynt y Môr Offshore Wind Farm array and for the cables connecting these turbines to the Offshore Substation Platforms. The full list of turbines is given in the Notice to Mariners (here) and is illustrated in the map below.
Survey work has been delayed by a bad weather and is now due to start on the 17th of June 2024 and to continue for a period of two weeks (weather permitting).
Gwynt y Môr Offshore Windfarm Survey Locations June 2024
A map of the windfarm array including the exact location of all turbines and infrastructure is available from the Kingfisher website here.
This work is being carried out under Marine Licence No : ML 11/52/ML/4.
Vessel details
The survey work will be carried out by the vessel Norfolk Swift which is a GRP catamaran workboat measuring 12m in length, 5m beam, with an orange hull. Information about this vessel including its current location can be found at the Marine Traffic website using the link below:-
- Norfolk Swift: Research / survey vessel | Call sign 2DHD7
The vessel will monitor VHF Channel 16 at all times.
During this survey the vessel will be towing equipment and will be restricted in its ability to manoeuvre. Other vessels are requested to pass at a safe speed and maintain a wide berth of at least 500m distance.
Further details about the survey vessel are given in the Notice to Mariners which can be downloaded here.
Notices to Mariners
Mariners are advised that the following Notices to Mariners have been issued for the Gwynt y Môr windfarm and export cable and remain current:-
- Gwynt y Môr offshore windfarm: risk of cable exposure – this notice was issued in September 2021. It advises mariners that there are areas where cables may be exposed within the windfarm array, and that these areas are subject to change in response to tidal and weather effects on the seabed. The information in this notice, as well as links to advice on fishing near cables and renewable energy structures and links to the cable array map for the windfarm can be accessed here.
Please contact Jim Andrews, Fishery Liaison Officer by e-mail or phone (+44(0)7908-225865) if you have any queries or concerns about this notice.