Caernarfon Notice to Mariners 14/2023

Aid to navigation Llanddwyn Island “South East Rock” South Cardinal, Y.B is not on its appropriate station.

53°08.04′ N 004°24.46′ W

Mariners are advised to exercise extreme caution in this area.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master
Ymddiriedolaeth Harbwr Caernarfon Harbour Trust