Category: Notices to Mariners

Aid to Navigation Abermenai point lighted Beacon Fl. WR. 3.5s 6m 3M has been removed and consequently unlit to allow maintenance works.

It is envisaged the works will be completed by 04/04/2022

53°07’.62 N 004°17’.72 W

Mariners are advised to navigate with caution

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

The lights on the fixed marks on the 231° transit below the Britannia Bridge are now working.

53°12’.89 N 004°11’.08 W

Mariners are advised that Notice to Mariners 02/2022 in now cancelled.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

The lights on the fixed marks on the 231° transit below the Britannia Bridge are not working.

53°12’.89 N 004°11’.08 W

Mariners are advised to navigate with extreme caution in this area.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Mariners are advised that the vessel Seven Guardian will be undertaking a small-scale scientific survey (grab sampling) between 28thMarch – 16th April in the Caernarfon Bay Area including the approaches to Caernarfon.

Sampling will take approximately 2 days and will involve lowering and retrieving a small sediment grab sampler at locations across the bay from Porthdinllean to around the Caernarfon Bar.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Local Notice to Mariners Numbers 10/2021 and 16/2021 are hereby cancelled. Dredging pipe and buoy/light have been removed.

Local Notice to Mariners number 20/2021 is hereby cancelled. Isolated danger mark and the wreckage of “Second Life” has been removed.

Matthew Forbes
MSc LLB (hons) BSc MNI
Conwy Harbour Master

Discontinuation of DGPS

Trinity House wishes to remind vessel owners, operators and masters of the contents of previously issued Notice to Mariners 19/2020. After careful consideration of the results of a comprehensive user consultation process, the General Lighthouse Authorities for the UK and Ireland have concluded that their Differential Global Positioning System (DGPS) is no longer required and have made the decision that the system will be discontinued from 31st March 2022.

All Mariners are advised that Conwy Approach Channel Buoy C2 53° 17.940N 003° 54.520W is currently unlit.

Matthew Forbes
MSc LLB (hons) BSc MNI
Conwy Harbour Master

Local Notice to Mariners 17/18/19 2021 are hereby cancelled.

The wreck of the 36 foot yacht ‘Second Life’ now lies 10 metres up river of the low water access pontoon. The wreck is marked with an isolated danger mark. All mariners are advised to avoid navigation near the low water pontoon and in no circumstances to pass inside of the isolated danger mark and pontoon. A further notice will be issued once the wreck is moved.

Matthew Forbes
MSc LLB (hons) BSc MNI
Conwy Harbour Master

Below is the latest Caernarfon Bar Buoy chart, with positions, as of December 1st 2021.

As a result of Storm Arwen three vessels broke moorings strops and are lying aground to the south of Conwy Bridge.  The three vessels are anchored but are unlit and unmanned:

1. ‘Jo-ka’ has a green hull and is lying in the vicinity of Gyffin river. 
2. ‘Got knotted’ has a white hull and is lying off Glan Conwy.
3. ‘Moanna’ has blue hull and is lying to the south of Benarth.  ‘Moanna‘ has now been recovered.

The vessels will be refloated when tidal heights permit.  All Mariners are advised to navigate with caution if navigating up the Conwy River south of Conwy Bridge.  An update will be made when the vessels are removed.

Matthew Forbes
MSc LLB (hons) BSc MNI
Conwy Harbour Master