Caernarfon Notice to Mariners 13/2020
![](https://psycle-wordpress.s3.eu-west-2.amazonaws.com/nwcc/production/2020/06/Llanddwyn-South-West-Rock-Buoypng-300x200.png)
Aid to navigation Llanddwyn Island “South West Rock” South Cardinal Y.B is not on its appropriate station.
53° 07.810’ N 004° 25.060 W
Mariners are advised to navigate with caution in this area.
David John O’Neill
Harbwr Feistr Caernarfon Harbour Master