The Swellies (or Swillies -

Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peop ...

: ''Pwll Ceris'') is a stretch of the Menai Strait in North

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

. The most popular use of the name is for the stretch between the

Britannia Bridge Britannia Bridge ( cy, Pont Britannia) is a bridge across the Menai Strait between the island of Anglesey and the mainland of Wales. It was originally designed and built by the noted railway engineer Robert Stephenson as a tubular bridge of w ...

and the

Menai Bridge Menai Bridge ( cy, Porthaethwy; usually referred to colloquially as Y Borth) is a town and community on the Isle of Anglesey in north-west Wales. It overlooks the Menai Strait and lies by the Menai Suspension Bridge, built in 1826 by Thom ...

. It is notable for its difficulty in safely navigating its

shoal In oceanography, geomorphology, and geoscience, a shoal is a natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material and rises from the bed of a body of water to near the surface. It ...

s and rocks due to the

whirlpool A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. Small whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms ( ). ''Vo ...

s and surges that are the result of the tides washing around the island of

Anglesey Anglesey (; cy, (Ynys) Môn ) is an island off the north-west coast of Wales. It forms a principal area known as the Isle of Anglesey, that includes Holy Island across the narrow Cymyran Strait and some islets and skerries. Anglesey island ...

at different speeds. There are several small islands in The Swellies, the largest of which are Church Island (

: ''Ynys Dysilio'') and

Ynys Gored Goch Ynys Gored Goch ("Red Weir Island"), sometimes Ynys Gorad Goch, is a small island in the Menai Strait between Gwynedd and Anglesey in north Wales. It is situated in the stretch of the strait called the Swellies between Thomas Telford's Menai Sus ...

(Red Weir Island in English but also known as Whitebait Island). Swellies is the most treacherous section of the Menai Strait. A medieval document quoted in the book 'The Menai Strait'

003 003, O03, 0O3, OO3 may refer to: *003, fictional British 00 Agent *003, former emergency telephone number for the Norwegian ambulance service (until 1986) *1990 OO3, the asteroid 6131 Towen * OO3 gauge model railway *''O03 (O2)'' and other related ...

(also published in Welsh under the title ' Y Fenai'

002 002, 0O2, O02, OO2, or 002 may refer to: Fiction *002, fictional British 00 Agent *''002 Operazione Luna'', *1965 Italian film *Zero Two, a ''Darling in the Franxx'' character Airports *0O2, Baker Airport *O02, Nervino Airport Astronomy *1996 ...

by Gwyn Pari Huws and Terry Beggs ( Gwasg Gomer Press) states: ''In that arm of the see that departeth between this island Mon and North Wales is a swelowe that draweth to schippes that seileth and sweloweth hem yn, as doth Scylla and Charybdis - therefore we may nouzt seile by this swalowe but slily at the full see''.

External links

Illustrated guide from the local lifeboat station
* Menai Strait {{Gwynedd-geo-stub

See also

External links