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Local Notice to Mariners 11/2024
18/04/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Nid yw cymhorthydd mordwyo Starbord Rhif C1 Fl G 5s ar ei safle ac nid yw wedi oleuo.
53ᵒ06.96′ Gog 004ᵒ24.71′ Gor
Cynghorir morwyr i fordwyo gyda gofal yn yr ardal hon.
Aid to navigation Starboard No C1 Fl G 5s is off station and unlit.
53ᵒ06.96′ N 004ᵒ24.71′ W
Mariners are advised to navigate with caution in this area.
Local Notice to Mariners 10/2024
10/04/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Cynghorir morwyr mae’r cymhorthydd mordwyo Port Rhif C2 heb ei oleuo, ac nid yw’n dangos ei siâp dydd priodol.
53ᵒ07.14′ Gog 004ᵒ24.43′ Gor
Cynghorir morwyr i fordwyo gyda gofal yn yr ardal hon.
Aid to navigation Port No C2 is unlit, and not demonstrating its appropriate day shape.
53ᵒ07.14′ N 004ᵒ24.43′ W
Mariners are advised to navigate with caution in this area.
Local Notice to Mariners 09/2024
27/03/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Port Rhif C4 Q.G ar ei safle priodol.
53ᵒ07.12′ Gog 004ᵒ22.72′ Gor
Aid to navigation Port No C4 Q.G is on its appropriate station.
53ᵒ07.12′ N 004ᵒ22.72′ W
Local Notice to Mariners 08/2024
27/03/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Port Rhif C2 Fl.R 10s nawr ar ei safle priodol.
53ᵒ07.14′ Gog 004ᵒ24.43′ Gor
Aid to navigation Port No C2 Fl.R 10s is on its appropriate station.
53ᵒ07.14′ N 004ᵒ24.43′ W
Local Notice to Mariners 07/2024
27/03/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Starbord Rhif C3 Q.G ar ei safle priodol.
53ᵒ07.23′ Gog 004ᵒ23.88′ Gor
Aid to navigation Starboard No C3 Q.G is on its appropriate station.
53ᵒ07.23′ N 004ᵒ23.88′ W
Local Notice to Mariners 06/2024
27/03/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Starbord Rhif C1 Fl G 5s ar ei safle priodol.
53ᵒ06.96′ Gog 004ᵒ24.71′ Gor
Aid to navigation Starboard No C1 Fl G 5s is on its appropriate station.
53ᵒ06.96′ N 004ᵒ24.71′ W
Local Notice to Mariners 05/2024
27/03/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Starbord Rhif C5 Fl(2) G 5s ar ei safle priodol.
53ᵒ07.19′ Gog 004ᵒ23.37′ Gor
Cynghorir morwyr bod yr hysbysiad hwn yn dileu hysbysiad 04/24.
Aid to navigation Starboard No C1 Fl G 5s is on its appropriate station.
53ᵒ07.19′ N 004ᵒ23.37′ W
Mariners are advised that this notice herby cancels notice 04/24.
Local Notice to Mariners 04/2024
25/03/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Nid iw cymhorthydd mordwyo Starbord Rhif C5 Fl.G(2).5s ar ei safle.
53ᵒ07.14′ Gog 004ᵒ23.37′ Gor
Cynghorir morwyr i fordwyo gyda gofal yn yr ardal hon.
Aid to navigation Starboard No C5 Fl.G(2).5s is off station.
53ᵒ07.14′ N 004ᵒ23.37′ W
Mariners are advised to navigate with caution in this area.
Local Notice to Mariners 02/2024
20/02/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Menai Strait
Cynghorir morwyr bod yr hysbysiad hwn yn dileu Hysbysiad 15/21.
Mariners are advised that this notice hereby cancels Notice 15/21.
Local Notice to Mariners 01/2024
22/01/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Menai Strait
Nid yw cymhorthydd mordwyo “Starboard Unlighted Beacon” ddim yn dangos ei nodweddion priodol.
53ᵒ12.881′ Gog 004ᵒ12.010′ Gor
Cynghorir morwyr i fordwyo gyda gofal yn yr ardal hon.
Aid to navigation Starboard Unlighted Beacon is not demonstrating its appropriate characteristics.
53ᵒ12.881′ N 004ᵒ12.010′ W
Mariners are advised to navigate with caution in this area.
Local Notice to Mariners (IACC) 01/2024
10/01/2024 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Culfor Dwyrain Menai – Eastern Menai Strait
MYNEDIAD GOGLEDDOL IR FENAI – CYMORTH I FORDWYO PORT B2
Nid yw cymhorthydd mordwyo Port Rhif B2 Fl(2)R.5s nawr ar ei safle priodol.
53ᵒ18.358′ Gog 004ᵒ2.111′ Gor
Harbwr Feistr Porthaethwy Menai bridge Harbour Master
Rheoleiddio a Datblygu Economaidd / Regulation and Economic Development
Cyngor Sir Ynys Môn / Isle of Anglesey County Council LL77 7XA
NORTHERN ENTRANCES AID TO NAVIGATION PORT B2
Aid to navigation Port No B2 Fl(2)R.5s is NOT on its Station appropriate station.
53ᵒ18.358′ N 004ᵒ2.111′ W
This notice will be cancelled once buoy is back on station.
Harbwr Feistr Porthaethwy Menai bridge Harbour Master
Rheoleiddio a Datblygu Economaidd / Regulation and Economic Development
Cyngor Sir Ynys Môn / Isle of Anglesey County Council LL77 7XA
Local Notice to Mariners 20/2023
29/11/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Port Rhif C2 Fl. R 10s nawr ar ei safle priodol.
53ᵒ07.14′ Gog 004ᵒ24.38′ Gor
Cynghorir morwyr fod Rhybudd Morwriath Lleol 18/2023 nawr wedi’i ganslo.
Aid to navigation Port No C2 Fl. R 10s is now on its appropriate station.
53ᵒ07.14′ N 004ᵒ24.38′ W
Mariners are advised that Notice to Mariners 18/2023 in now cancelled.
Local Notice to Mariners 19/2023
29/11/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Mae cymhorthydd mordwyo Starbord Rhif C1 Fl G 5s nawr ar ei safle priodol.
53ᵒ07.06′ Gog 004ᵒ24.67′ Gor
Cynghorir morwyr fod Rhybudd Morwriath Lleol 17/2023 nawr wedi’i ganslo.
Aid to navigation Starboard No C1 Fl G 5s is now on its appropriate station.
53ᵒ07.06′ N 004ᵒ24.67′ W
Mariners are advised that Notice to Mariners 17/2023 in now cancelled.
Local Notice to Mariners 18/2023
21/11/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Nid yw cymhorthydd mordwyo Port Rhif C2 Fl. R 10s nawr ar ei safle priodol.
53ᵒ07.14′ Gog 004ᵒ24.38′ Gor
Aid to navigation Port No C2 Fl. R 10s is NOT on its Station appropriate station.
53ᵒ07.14′ N 004ᵒ24.38′ W
Local Notice to Mariners 17/2023
13/11/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Nid yw cymhorthydd mordwyo Starbord Rhif C1 Fl G 5s ar ei safle priodol.
53ᵒ07.06′ Gog 004ᵒ24.67′ Gor
Aid to navigation Starboard No C1 Fl G 5s is NOT on its Station appropriate station.
53ᵒ07.06′ N 004ᵒ24.67′ W
Local Notice to Mariners 16/2023
06/10/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Nid yw cymhorthydd mordwyo Bwi Tramwyo L FL 10s ar ei safle priodol.
53ᵒ06.95′ Gog 004ᵒ25.14′ Gor
Mae’r cymhorthydd mordwyo wedi derfynwyd dros dro ar gyfer y gaeaf.
Aid to navigation Fairway Buoy L FL10s is not on station.
53ᵒ06.95′ N 004ᵒ25.146′ W
The Aid to navigation has been temporarily discontinued for the winter.
Local Notice to Mariners 15/2023
06/10/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Ynys Llanddwyn Island
Mae cymhorthydd mordwyo “Graig Gogledd-ddwyrain” Ynys Llanddwyn Cardinal De, Melyn a Du ar ei safle priodol.
53ᵒ08.04′ Gog 004ᵒ24.47′ Gor
Aid to navigation Llanddwyn Island “North East Rock” South Cardinal, Y.B is now on
its appropriate station.
53ᵒ08.04′ N 004ᵒ24.47′ W
Local Notice to Mariners 14/2023
23/09/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Ynys Llanddwyn Island
Nid iw cymhorthydd mordwyo “Graig Dde Dwyrain” Ynys Llanddwyn Cardinal De, Melyn a Du ar ei safle priodol.
53ᵒ08.04′ Gog 004ᵒ24.46′ Gor
Cynghorir morwyr i fod yn ofalus iawn yn y ardal hwn.
Aid to navigation Llanddwyn Island “South East Rock” South Cardinal, Y.B is not on its appropriate station.
53ᵒ08.04′ N 004ᵒ24.46′ W
Mariners are advised to exercise extreme caution in this area.
Local Notice to Mariners 13/2023
31/08/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Cynghorir morwyr mae’r cymhorthydd mordwyo Starbord Rhif C1 nawr wedi goleu.
53ᵒ07.06′ Gog 004ᵒ24.67′ Gor
Aid to navigation Starboard No C1 is now lit
53ᵒ07.06′ N 004ᵒ24.67′ W
Local Notice to Mariners 12/2023
25/08/2023 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Bar Caernarfon Bar
Cynghorir morwyr mae’r cymhorthydd mordwyo Starbord Rhif C1 heb golau.
Cynghorir morwyr i fordwyo gyda gofal yn yr ardal hon.
53ᵒ07.06′ Gog 004ᵒ24.67′ Gor
Aid to navigation Starboard No C1 is unlit
Mariners are advised to navigate with caution in this area.
53ᵒ07.06′ N 004ᵒ24.67′ W
Longterm Notices to Mariners
Local Notice to Mariners 19/2021
02/07/2021 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Cynghorir morwyr bod yr ardal a amlygir isod ar y siart, yn benodol o amgylch C7 ac C12 wedi datblygu banc tywod sydd rhyw 1 metr yn uwch na Chart Datwm.
Cynghorir morwyr i gymryd rhybudd a rhoi sylw dyledus i’r dyfnder dŵr sydd ar gael wrth fordwyo yn yr ardal hon.
Mariners are advised that the area highlighted below on the chart, specifically around C7 and C12 has developed a sand bank that is approximately 1 meters above Chart Datum.
Mariners are advised to take caution and have due regard for the available depth of water when navigating in this area.
Local Notice to Mariners 12/2021
01/04/2021 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Harbour Master’s General Direction
5 Knot Speed Limit
By virtue of the provisions of Sec. 52 Harbour, Docks and Piers Clauses Act 1847, Port and harbour of Caernarfon Harbour Master has made the following General Direction:
1. This Direction is given to Masters (see note a) and persons having command or charge of any vessel (see note b) other than those vessels listed in paragraph 4(i) to 4(v).
2. This Direction applies at all times and in the area north of the existing and active speed limit at Y Felinheli. (Now known as the “Y Felinheli to Garreg Ginnog” Area of General Direction). The “Y Felinheli to Garreg Ginnog” means the area below the level of mean high water spring tides bounded by a line drawn along the northern extent of the existing charted speed limit at Y Felinheli and through to a new line drawn from a point 53ᵒ12.30’N 004ᵒ12.44’W to a point 53ᵒ12.40’ N 044ᵒ12.82’W. (Illustrative chart extract at end of NtoM).
3. At the Northern and Southern extent of the entire speed limit. Special Marks will be positioned to demark the area.
4. This Direction is not given to Masters and persons having command or charge of vessels:
(i) used by search and rescue organisations
(ii) of the Caernarfon Harbour Authority
(iii) of HM Customs and Excise
(iv) vessels under sail.
(v) used as safety boats by Yacht and Sailing Clubs and other such organisations when engaged in operations where complying with this Direction would inhibit their ability to fulfil their function as a safety boat
5. No vessel, except those listed in paragraphs 4(i) to 4(v), shall proceed at a speed of greater than 5 knots.
6. This Direction is given notwithstanding the requirements of the International Regulations for Preventing Collisions at Sea (see note c) and The Port and Harbour of Caernarfon Bylaws 1991 (see note d).
7. Not to comply with this Direction is a criminal offence for which the person having command or charge of the vessel may be prosecuted (see note e).
8. The Harbour Master or his deputies will be actively monitoring the compliance with this General Direction.
David John O’Neill
Caernarfon Harbour Master
Notes
a Sec.3 Harbour, Docks and Pier Clauses Act 1847
b As defined in the Port and Harbour of Caernarfon Bylaws 1991.
c Merchant Shipping (Distress Signals and Prevention of Collisions) Regulations 1996 [SI 75/1996]
d Port and Harbour of Caernarfon Bylaws 1991.
e Sec.3 and Sec.53 Harbour, Docks and Piers Clauses Act 1847
Owners, Agents Charterers, Marinas, Yacht Clubs and Recreational Sailing Organisations should ensure that the contents of this Notice are made known to the master or persons in charge of their vessel or craft.
Blue area denotes existing speed limit. Yellow area denotes new area of General Direction.
Local Notice to Mariners 14/2019
16/05/2019 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464
Menai Strait
Cynghorir morwyr bod yr ardal a amlygir isod ar y siart, yn benodol o C11 er i C9 wedi datblygu banc tywod sydd rhyw 0.5 metr o ddŵr yn is na Chart Datwm.
Cynghorir morwyr i gymryd rhybudd a rhoi sylw dyledus i’r dyfnder dŵr sydd ar gael wrth fordwyo yn yr ardal hon.
Mariners are advised that the area highlighted below on the chart, specifically from C11 though to C9 has developed a sand bank that has approximately 0.5 meters of water below Chart Datum.
Mariners are advised to take caution and have due regard for the available depth of water when navigating in this area.
