Conwy Notice to Mariners 16/2024
Cancelation of Local Notice To Mariners Number 1/2024.
All mariners are advised that navigation mark C11 in the Conwy Harbour approach channel is now lit.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Sailing in Company since 1928
Cancelation of Local Notice To Mariners Number 1/2024.
All mariners are advised that navigation mark C11 in the Conwy Harbour approach channel is now lit.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Notice of temporary change to operational procedures at the Aber Swing Bridge.
On the 31/07/2024 Maintenance is being undertaken and a 30-minute advanced request is required in order for the bridge to be opened to river traffic.
01286 672484
07917 244176
For vessel requiring safe haven. Please make contact with the Dock Master. Ch 80
01286 672346
David John O’Neill
Harbwr Feistr Caernarfon Harbour Master
On Saturday the 27th and Sunday the 28th of July Caernarfon Harbour is hosting the annual OCRDA Powerboat racing. Mariners are advised that there will be Powerboat and Jest ski racing in the area outside the River Seiont and Victoria Dock There will be potential delays in being able to navigate inbound and outbound of both the River Seiont and the Victoria Dock. Please be patient and follow the official’s requests. Navigation inside the BLUE area is strictly prohibited during the racing times. Please contact the Dock Master on VHF ch80 for further info on the race days.

Timings are subject to change at short notice
| Description | Timings 1 | Timings 2 |
|---|---|---|
| Jet Ski Races 1 & 3 – 25min + Lap | 12:30 – 13:00 | 13:30 – 14:00 |
| OCR Races 1 & 3 – 25min + Lap | 13:30 – 14:00 | 14:30 – 15:00 |
| OCR Races 2 & 4 – 25min + Lap | 14:15 – 14:45 | 15:30 – 16:00 |
| Jet Ski Races 2 & 4 – 25min + Lap | 15:15 – 17:00 | 16:15 – 17:00 |
| Prizegiving | 19:00 | |
| Marina Gate Opens | 12:41 | 13:35 |
| Marina Gate Closes | 18:08 | 19:08 |


HAZARD TO NAVIGATION. – TWO Yellow Special Marker Buoys in position following construction work on Mussel Bank, 1.8m above chart datum.
53°07’.311N / 004°20’.827W
53°07’.295N / 004°20’.903W
Jennifer Jones
Harbwr Feistr Cynorthwyol Caernarfon Assistant Harbour Master
Bangor University have deployed six seabed moorings north of Conwy at the positions below. The moorings rise approximately 1 m from the seabed and have no surface buoys. We request that marine users carrying out activities that interact with the seabed avoid these positions for safety. We intend to remove all equipment by 31 st August 2024.
| Latitude (WGS84) | Longitude (WGS84) |
|---|---|
| 53.34527 | -3.84037 |
| 53.34537 | -3.83612 |
| 53.34793 | -3.8406 |
| 53.3481 | -3.83622 |
| 53.3481 | -3.83175 |
| 53.34555 | -3.83208 |

Contact:
Tim Jackson-Bué
[email protected]
01248 38 3967
NORTH COAST OF WALES
SKERRIES LIGHTHOUSE (ALL Vol.A5168)
Latitude 53° 25.274’N., Longitude 004° 36.502’W.
Amendment:
On or about the 29th August 2024 until the end of October 2024, the main light will have a reduced range of 18nm and exhibit a revised composition of: fl 1s, ec 1s, fl 1s, ec 12s.
Further notice will be given once the maintenance works have been completed.
By Order,
Commander N. Hare
Director of Navigational Requirements
Trinity House,
Tower Hill,
London,
EC3N 4DH
Cancellation of Local Notice to Mariners number 14/2024. All mariners are advised that the vessel has now been recovered.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
All mariners are advised that a vessel has sunk on its mooring in the Benarth area of the Conwy River (upriver of Conwy Bridge) marked with 3 orange buoys. A further cancellation notice to mariners will be issued once it’s recovered.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master
Aid to Navigation Temporary Wreck Buoy marking the Grampian Castle Fl(4) Y10s is on station.
53° 07’.26 N004° 22’.96 W
The Wrecks charted position is 53°07’.30 N 004°22’.98 W
Mariners are advised that Notices to Mariners 17/2024 and 18/2024 are now cancelled.
David John O’Neill
Harbwr Feistr Caernarfon Harbour Master
All mariners are advised that the Conwy Fairway Buoy is now lit.
Cancellation of Local Notice to Mariners 10/2024.
Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master