Caernarfon Notice to Mariners 08/2025

Y Fenai – Siart 1464 – Menai Strait – Chart 1464

Two mooring buoys will be situated surrounding Swelly Rock from 13:00 on the 21/3/25 until a cancellation Notice to Mariners is issued. These are to allow access for routine repairs works to the AtoN. The moorings are not suitable for use and Mariners are prohibited from making use of the moorings.

Mariners are advised to navigate with caution in this area.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master