Jack Sound is a treacherous body of water between the island of

Skomer Skomer () or Skomer Island is an island off the coast of Pembrokeshire, in the community of Marloes and St Brides in west Wales. It is well known for its wildlife: around half the world's population of Manx shearwaters nest on the island, the A ...

and the

Pembrokeshire Pembrokeshire ( ; ) is a Principal areas of Wales, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and otherwise by the sea. Haverfordwest is the largest town and ...

coast in west Wales. It is popular with divers.

Description

The wide

sound In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the br ...

is used by boats to avoid a three-mile detour around the island, but it contains numerous reefs and a

tidal race Tidal race or tidal rapid is a natural occurrence whereby a fast-moving tide passes through a constriction, resulting in the formation of waves, eddies and hazardous currents. The constriction can be a passage where the sides narrow, for example ...

of up to 6

knot (unit) The knot () is a unit of speed equal to one nautical mile per hour, exactly (approximately or ). The ISO standard symbol for the knot is kn. The same symbol is preferred by the Institute of Electrical and Electronics Engineers ( IEEE), whil ...

s which consequently has resulted in numerous wrecks. The sound is part of the

Skomer Marine Conservation Zone Skomer Marine Conservation Zone is an underwater marine nature reserve located off the coast of Pembrokeshire in Wales. The nature reserve completely surrounds the islands of Skomer and Middleholm, and encompasses the mainland coastline around ...

Recorded wrecks

The most popular wreck for divers is the MV ''Lucy'', which sank in good condition in February 1967 after being abandoned by its crew owing to its cargo of

calcium carbide Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of . Its main use industrially is in the production of acetylene and calcium cyanamide. The pure material is colorless, while pieces of technica ...

. The Netherlands-registered coaster, , was en route from

Uddevalla Uddevalla is a Stad (Sweden), town in Västra Götaland County, Sweden. It’s the seat of Uddevalla Municipality. In 2015, it had a population of 34,781, making it the largest town fully in Bohuslän. Uddevalla is located where the river Bäveån ...

, Sweden to

Barry Barry may refer to: People and fictional characters * Barry (name), including lists of people with the given name, nickname or surname, as well as fictional characters with the given name * Dancing Barry, stage name of Barry Richards (born c. 195 ...

. Coflein, the

Royal Commission A royal commission is a major ad-hoc formal public inquiry into a defined issue in some monarchies. They have been held in the United Kingdom, Australia, Canada, New Zealand, Norway, Malaysia, Mauritius and Saudi Arabia. In republics an equi ...

's website records 32 wrecks associated with Jack Sound. One of these was the passenger ship ''Albion'' which struck rocks on passage through Jack Sound and was forced to beach further along the coast, where she remains.

References

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