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South Passage is channel between the South Pacific Ocean and
Moreton Bay Moreton Bay is a bay located on the eastern coast of Australia from central Brisbane, Queensland. It is one of Queensland's most important coastal resources. The waters of Moreton Bay are a popular destination for recreational anglers and are ...
. The other entrances to the bay are the North Passage or North Entrance and
Jumpinpin Channel The Jumpinpin channel also known as The Pin lies between North Stradbroke Island and South Stradbroke Island. It has a fast moving tidal deep water Channel not appropriate for swimming but is popular with beach anglers. The name Jumpinpin is a ...
in the south. It was once the main entrance for ships entering the bay. South Passage begins in the shallow sand-barred channel between
Moreton Island Moreton Island (Mulgumpin) is an island on the eastern side of Moreton Bay on the coast of South East Queensland, Australia. The Coral Sea lies on the east coast of the island. Moreton Island lies northeast of the Queensland capital, Brisbane. ...
and
North Stradbroke Island North Stradbroke Island ( Jandai: ''Minjerribah''), colloquially ''Straddie'' or ''North Straddie'', is an island that lies within Moreton Bay in the Australian state of Queensland, southeast of the centre of Brisbane. Originally there was onl ...
and continues along North Stradbroke Island past Amity Point to
Dunwich Dunwich is a village and civil parish in Suffolk, England. It is in the Suffolk Coast and Heaths AONB around north-east of London, south of Southwold and north of Leiston, on the North Sea coast. In the Anglo-Saxon period, Dunwich was t ...
. The bay inside of South Passage consists of shallow water sandbanks. Crossing the channel by small boat is not recommended, especially during a high swell, due to the network of channels and shifting sand bars. The
tidal flow Tidal is the adjectival form of tide. Tidal may also refer to: * ''Tidal'' (album), a 1996 album by Fiona Apple * Tidal (king), a king involved in the Battle of the Vale of Siddim * TidalCycles, a live coding environment for music * Tidal (servic ...
is rapid with a rate of 150 cm per second during the flooding tide and slightly slower during the ebb tide of 100 cm per second. The passage has a return coefficient of 50%, meaning that half the amount of water that leaves the bay via the passage returns the same way on the flooding tide.


History

The channel was not noticed by Lieutenant
James Cook James Cook (7 November 1728 Old Style date: 27 October – 14 February 1779) was a British explorer, navigator, cartographer, and captain in the British Royal Navy, famous for his three voyages between 1768 and 1779 in the Pacific Ocean an ...
as he explored the coastline in May 1770. On 14 July 1799,
Matthew Flinders Captain Matthew Flinders (16 March 1774 – 19 July 1814) was a British navigator and cartographer who led the first inshore circumnavigation of mainland Australia, then called New Holland. He is also credited as being the first person to u ...
was the first European to discern an opening between the islands. In 1824
John Oxley John Joseph William Molesworth Oxley (1784 – 25 May 1828) was an explorer and surveyor of Australia in the early period of British colonisation. He served as Surveyor General of New South Wales and is perhaps best known for his two exp ...
aboard the '' Amity'' left Moreton Bay via the South Passage after he had explored the Brisbane River with Allan Cunningham. He was the first European sailor known to do so. The '' Lucinda'' was used as a mail vessel for delivering mail up and down the Queensland coast. The boat was largely captained by Captain James South who notably used South Passage to cut hours off the mail route. Some believed this is how South Passage came to be named, but it appears this is simply a coincidence. There is clear reference to South Passage prior to Captain South surveying/sounding and using this route. On 11 March 1847, 44 people lost their lives when the '' SS Sovereign'' was wrecked as it passed through the passage; only 10 people were saved. This led to the shipping route being moved to the northern entrance to the bay the next year, while the
pilot station Pilot Station ( esu, Tuutalgaq) is a city in Kusilvak Census Area, Alaska, United States. The population was 568 at the 2010 census, up from 550 in 2000. Geography Pilot Station is located at (61.936050, -162.883403), on the northern bank of t ...
was moved to Cowan Cowan on Moreton Island. Another wreck found in the passage is the ''Rufus King''.


See also

*
Gold Coast Seaway The Gold Coast Seaway or Southport Seaway is the main navigation entrance from the Pacific Ocean into the Gold Coast Broadwater and southern Moreton Bay and is one of Australia's most significant coastal engineering projects. It is located at the ...


References

{{coord, 27, 22, 43.47, S, 153, 26, 20.89, E, type:landmark_region:AU, display=title Channels of Australia Moreton Bay North Stradbroke Island