Caernarfon Notice to Mariners 04/2025
Aid to navigation Port No C12 Fl(2)R.10s is now on its appropriate station.
53o 08’.49 N 004o17’.39 W
David John O’Neill
Harbwr Feistr Caernarfon Harbour Master
Category: Notices to Mariners
Caernarfon Notice to Mariners 03/2025
Aid to navigation Port No C2 Fl. R 10s is NOT on its appropriate station. 53° 07’.12 N 004°24’.43 W
Present position – 53° 07’.10 N 004°24’.13 W
Mariners are advised to navigate with caution in this area
David John O’Neill
Harbwr Feistr Caernarfon Harbour Master
Conwy Notice to Mariners 05/2025
All mariners are advised that Local Notice to Mariners 04/2025 is hereby cancelled.
Navigation Buoy C3 in the Conwy Harbour approach channel is now lit.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Conwy Notice to Mariners 04/2025
All mariners are advised that navigation mark C3 in the Conwy Harbour approach channel is temporarily unlit. A cancelation notice will be issued once the issue is rectified.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Conwy Notice to Mariners 03/2025
All mariners are advised that Local Notice to Mariners 20/2024 (Dredging Deganwy Marina) is hereby cancelled.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Conwy Notice to Mariners 02/2025
All Mariners are advised that under Marine Licence DML 1833v3 dredging at Conwy Marina will commence on 3 February 2025. A further notice will be issued when the temporary special mark marking the end of the dredging discharge pipe is laid.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Conwy Notice to Mariners 01/2025
All mariners are advised that Local Notice to Mariners 14/2023 (Beacons Pontoon) is hereby cancelled.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Caernarfon Notice to Mariners 02/2025
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
Caernarfon Notice to Mariners 01/2025
Aid to navigation Port No C2 Fl.R 10s is on its appropriate station.
53° 07’.102 N 004°24’.133 W
David John O’Neill
Harbwr Feistr Caernarfon Harbour Master
Conwy Notice to Mariners 27/2024
Update to Local Notice to Mariners 23/2024
Underwater obstructions are now marked with a lit isolated danger mark
53°17.02“ N 003°49.36“ W
All vessels should exercise extreme caution when entering the harbour, and an exclusion zone of 100 metres around the isolated danger mark.
A cancellation notice will be issued in due course.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master