Volume 1 - Calgo Publications

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Volume 1

Updates/ News
Great care has been taken to ensure that the facts given in these guide are correct and up to date, but please feel free to notify me of any additional information, updates or corrections. We will never know everything that North Wales has to offer a diver.

The author can be contacted via Contact on this website.

Essential Underwater Guide to North Wales. 
Barmouth to South Stack

Update to Volume One. (As of April 28th, 2015)

Page 21 The GPS position is approximately 30-metres out. A reading taken in 2013 with a Humminbird GPS gave 52˚ 42.278’N 004˚ 19.660’W

More information is given in my eBook.

Page 88 The Ordnance Survey reference should read SH 216E 369N.

Page 123. Telephone Cables. On a really good neap-tide, slack-water on a rising tide (i.e. high-water slack) occurs at two hours before high-water at Liverpool, as stated, but this is only true for the Gwynedd side of the Menai Strait. At the Anglesey side of the channel, the tide is slack about 10 minutes earlier. This means that the current can be flowing northwards at the far end of the cables, but southwards at the start of the cables. I still don’t recommend diving at high-water. Always dive on the falling-tide (low-water slack), with mid-slack at 2 hours and 45 minutes before low-water at Liverpool. Start your dives on a neap-tide at 3 to 3 and a quarter hours before low-water at Liverpool.

Page 129 Shore access is no longer allowed from the mainland end of the Menai Suspension Bridge.

Page 137 Access is no longer available via the track.

Page 155. The footpath is still closed.

Pages 156 to 158. There have been several incidents when diving from the shore around Raven’s Point and Porth Castell. Note that there are strong currents off these rocks once the tide starts to ebb, so take care if you are diving on a falling-tide.

Page 195. A dive in August 2003 revealed three boilers in this area, not one as stated. This now throws some doubt as to the presumed identification of the various steamers wrecked in the vicinity, but further research is necessary.

Page 179. Porth-y-Post. The wreck was reported to have been covered in sand in 2004, but it was largely exposed when visited in April and May 2007. The sand was back again in 2011.

Page 208. The garage at Rhoshirwaun has closed for petrol and diesel. For Aberdaron, the nearest fuel is now at Sarn, Nefyn, Abersoch or Llanbedrog.

Page 209. Launching at Aberdaron has totally changed. Tractor-launching is no longer available.

Page 215 The email address for Ty Calch has changed to tycalch@btinternet.com

Page 217 Improvements have been made to the slipway.

Page 222 Anglesey Divers - Mobile tel:07917619221.

Page 223 A.K.S Diving is no longer in business.

Page 224 Neptune Diving is no longer in business.

Page 225 Marine Electronics, Abersoch is no longer in business.

Page 226 Air is no longer available at The Dive Inn or Penrallt Divers.

Page 227 Dive North Wales no longer provides air or training.

Page 227 Divers Air has moved to Unit 412, RSCM Services, Ash Road North, Wrexham Industrial Estate, Wrexham LL13 9UF Telephone no: 01978 661352 or 0777 557 4820

Pages 228 & 229 Only SBS Boat Charter and Quest Diving are still in operation.

Page 236 There have been important changes to the fisheries by-laws.



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