Barmouth Channel buoys (p203)

MOVE No.2 to                   52° 42'.70N 004° 04'.19W

RENAME "Inner" as No.4  52° 42'.74N 004° 03'.97W  LFl(2).7s   

RENAME "PHM" as No.6  52° 42'.77N 004° 03'.79W

REPLACE graphic on page 202 with accompanying block.

Aberdovey channel buoys (p205)

Outer                                  52° 32'.00N 004° 05'.55W

Bar - No.1                          52° 32'.18N 004° 04'.91W

No.2                                   52° 32'.22N 004° 04'.92W

No.3 - South Spit               52° 32'.22N 004° 05'.63W

Index (p227)

Change location of Middle Mouse photo to p147

Porthmadog channel buoys (p193)

DELETE SHM "TEMP" close N of No.11

DELETE G.Con buoy at  52° 54'.47N 004° 09'.05W

Safe anchorage key (p25)

The key to the safe locations in anchorages was omitted from the publication. ADD the Block after "3. Cruising Guide" at the top of p25.

Porth Wen (p152)

CHANGE the reference position to  53° 25'.55N 004° 23'.76W

Pwllheli Harbour (p191)

The harbour has been dredged to improve depths by up to 0.5m at a narrowing entrance. Further dredging between Partington's Yard and the fuelling jetty has had little effect and there may be less than 0.5m at LAT. At Springs, vessels of 1m or more should plan not to enter or depart one hour either side of LW.

REPLACE graphic on page 190 with accompanying block.

Caernarfon Bar buoys (p96)

The channel is constantly changing and the Harbour Master moves the buoys several times each year. For the latest updates, see the Caernarfon Harbour Trust site or call 01286 672118.

REPLACE graphic on page 96 with accompanying block.

Safe Water Mark    Pillar     L.Fl.10s.          53°06'.56N 004°24'.98W
C2      R.Can      Fl.R.10s                  C1      G.Con      Fl.G.5s.
          53°07'.12N 004°24'.22W                    53°06'.56N 004°24'.98W
                                                          C3      G.Con      QG
                                                                     53°07'.13N 004°23'.91W
C4      R.Can      QR                          C5      G.Con      Fl(2)G.5s
           53°07'.10N 004°24'.98W                   53°06'.56N 004°24'.98W
C6      R.Can      Fl.R.5s
          53°07'.21N 004°21'.95W
Mussel Bank      R.Can       Fl(2)R.5s
           53°07'.28N 004°20'.81W
C8      R.Can      Fl.R.3s
           53°07'.62N 004°19'.52W

​

Coastguard MSI transmissions (p211)

CHANGE of CHANNELS

From Wednesday 6 September 2017 HM Coastguard will be using new channels to broadcast Maritime Safety Information (MSI) and conduct radio medical advice.

The new channels will be VHF 62 (replaces Ch84), 63 (replaces Ch23) and 64 (replaces Ch86). The use of VHF Channel 10 for MSI and pollution control (back up) is unchanged.

MSI Routine B

Schedule changed:

Great Orme (Ch64), South Stack (Ch63), Blaenplwyf (Ch62)  aerials to:

0150, 0450, 1050, 1350, 1650, 2250

Snaefell (Ch64), Moel-y-Parc (Ch63)  to:

0130, 0430, 1030, 1330, 1630, 2230

​

Porthmadog No.9 buoy (p193)

MOVE SHM No 9 Fl.G. 4. 15s to position 52° 52. 02'N 004° 09. 14'W

​

Holyhead Marina (p136)

Holyhead Marina has been almost completely destroyed by hurricane force winds from the NE/E (Storm Emma). The area previously occupied by the marina is currently strewn with sunken vessels and submerged pontoons. 

​

Porthmadog (p193)

Buoys are in the following positions. Nos 1, 3, 5, 11 & 14 have been temporarily discontinued.

C2     R.Can     QR

          52°52'.99N 004°10'.61W

C4     R.Can     Fl(2)R.5s.

          52°53'.16N 004°10'.29W

C6     R.Can     Fl(3)R.10s.

          52°53'.58N 004°10'.05W

                                                       C7    G.Con.     Fl(3)G.10s.

                                                                52°53'.68N 004°09'.47W

                                                       C9    G.Con.     Fl(4)G.15s.

                                                                52°53'.20N 004°09'.09W

C8     R.Can     Fl(4)R.15s.

          52°53'.51N 004°09'.79W

C10   R.Can     Fl.R.2.5s.

          52°54'.59N 004°09'.01W

                                                       C13   G.Con.     Fl.G.2s.

                                                                52°54'.48N 004°08'.59W

C12   R.Can     Fl.R.4s.

          52°54'.56N 004°08'.53W

                                                       C15   G.Con.     Fl(2)G.5s.

                                                                52°54'.88N 004°07'.97W

                                                       C17   G.Con.     Fl.G.6s.

                                                                52°55'.01N 004°07'.87W

Porthmadog (p193)

The Fairway buoy has been moved to         52°52'.97N 004°11'.20W

​

Porthmadog (p192 & 193)

The channel has been returned to an earlier route, trending West from Samsons Bay and "The White House". 

DELETE the graphic on page 192 and 

INSERT the buoyage on the attached document (issued by Gwynedd County Council on 6th July 2018.

INSERT the plate (attached) to replace the diagram of buoyage.

Caernarfon Bar buoys (p96)

The channel is constantly changing and the Harbour Master moves the buoys several times each year. For the latest updates, see the Caernarfon Harbour Trust site or call 01286 672118

Safe Water Mark    Pillar     L.Fl.10s.          53°07'.00N 004°25'.00W
C2      R.Can      Fl.R.10s                  C1      G.Con      Fl.G.5s.
          53°07'.12N 004°24'.22W                    53°07'.06N 004°24'.52W
                                                          C3      G.Con      QG
                                                                     53°07'.17N 004°23'.95W
C4      R.Can      QR                          C5      G.Con      Fl(2)G.5s
           53°07'.10N 004°22'.84W                   53°07'.13N 004°23'.33W
C6      R.Can      Fl.R.5s
          53°07'.08N 004°21'.74W
Mussel Bank      R.Can       Fl(2)R.5s
           53°07'.27N 004°20'.81W
C8      R.Can      Fl.R.3s
           53°07'.62N 004°19'.52W

Holyhead Marina (p136)

Parts of the wave break pontoons have been made usable. Contact the marina (01407 764242) for further information.

Porthmadog (p192 & 193)

CHANGE position of buoyage using NtoM issued by Gwynedd 

Menai Strait (p89)

Extract from Caernarfon Hr Trust: 09-19NtoM

Mariners are advised that the area highlighted on the attached chart, specifically from C11 though to C9 has developed a sand bank that has approximately 0.5 meters of water below Chart Datum

Caernarfon Bar buoys (p96)

The channel is constantly changing and the Harbour Master moves the buoys several times each year. For the latest updates, see the Caernarfon Harbour Trust site or call 01286 672118

Safe Water Mark    Pillar     L.Fl.10s.          53°076'.95N 004°25'.11W
C2      R.Can      Fl.R.10s                  C1      G.Con      Fl.G.5s.
          53°07'.14N 004°24'.38W                    53°07'.04N 004°24'.43W
                                                          C3      G.Con      QG
                                                                     53°07'.20N 004°24'.01W
C4      R.Can      QR                          C5      G.Con      Fl(2)G.5s
           53°07'.16N 004°23'.03W                   53°07'.13N 004°23'.33W
C6      R.Can      Fl.R.5s
          53°07'.21N 004°21'.95W
Mussel Bank      R.Can       Fl(2)R.5s
           53°07'.28N 004°20'.81W
C8      R.Can      Fl.R.3s
           53°07'.62N 004°19'.41W