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The bypass system uses ten pumps located along the jetty. These are two metres beneath the sand. The pumps collect 500,000 cubic metres of sand over the course of a year. The sand, which is naturally moving northwards is pumped via a tunnel under the seaway to South
Stradbroke Island, thereby making
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Research conducted by the government indicated the quantity of sand movement necessitated a solution that operated perpetually. Gold Coast Seaway is home to the world's first permanent sand bypassing system, which currently delivers all sand that arrives at the Gold Coast Seaway across the entrance
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Before the bypass system was implemented the mouth of the Nerang River moved northwards at a rate of 60 metres per year. This northward drift was responsible for the unstable and shifting conditions of the bar, which made crossing it hazardous for small boats. The southern
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were aligned 15 degrees north of east and increasing the length of the southern wall. Models indicated that the western shores of the
Broadwater would need further protection from waves. Wave Break Island was constructed from dredged material to act as a barrier.
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enters the
Pacific Ocean. The channel was constructed between 1984 and 1986, primarily to facilitate the safe passage of sea-faring vessels. The passage was previously known as the Southport Bar. The mouth of the Nerang River was once located further south in
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The channel is 250 metres wide. The mean depth is 11 m and it has a maximum depth of 20 m. During outgoing tides, excess treated wastewater from four sewage treatment plants is released into the channel.
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is reviewing this practice and examining the concept of Island welding to determine if 85% of the sand (80,000 cubic metres per year) can be sustainably recycled to
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Gold Coast Seaway is a popular diving and fishing location. Many surfers and body boarders regularly paddle across the seaway on their boards from the mainland to
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Two rock walls to stabilise the position of the entrance were constructed. One million tonnes of imported rock was used. To reduce the entry of ocean swells the
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species first photographed by a diver in the seaway in
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unnecessary. It is managed by the Gold Coast
Waterways Authority.
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The seaway is issued regular weather forecasts by the
286:. Springer Science & Business Media. p. 97.
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of the Gold Coast Seaway is the northern end of the
50:projects. It is located at the northern end of the
315:"Gold Coast Seaway: a marine lovers' paradise"
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396:"Pipefish photo sparks international search"
46:and is one of Australia's most significant
159:in the US traveled to Australia to find a
283:Estuaries of Australia in 2050 and beyond
34:is the main navigation entrance from the
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394:Larkins, Damien (25 November 2014).
126:Gold Coast Shoreline Management Plan
472:Geography of Gold Coast, Queensland
233:"History of the Gold Coast Seaway"
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482:1986 establishments in Australia
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371:Forbes, Tom (13 October 2018).
237:Gold Coast Waterways Authority
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115:Gold Coast Sand Bypass System
259:"Gold Coast Seaway Forecast"
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448:27.9352833°S 153.4279889°E
261:. Government of Queensland
345:. Gold Coast City Council
320:. Gold Coast City Council
155:In 2014, scientists from
453:-27.9352833; 153.4279889
492:South Stradbroke Island
425:Moreton Bay Marine Park
340:"The Gold Coast Seaway"
280:Wolanski, Eric (2013).
150:South Stradbroke Island
122:Moreton Bay Marine Park
106:Rock wall anglers, 2015
497:Main Beach, Queensland
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477:Channels of Australia
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84:Bureau of Meteorology
40:Gold Coast Broadwater
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420:Seaway Surf Cameras
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181:Queensland portal
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436:27°56′7.02″S
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400:. Retrieved
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377:. Retrieved
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299:27 September
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56:Nerang River
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157:NatureServe
44:Moreton Bay
466:Categories
402:26 October
398:. ABC News
379:26 October
375:. ABC News
265:26 October
243:26 October
209:References
61:Broadbeach
54:where the
349:1 October
324:1 October
38:into the
167:See also
161:pipefish
138:dredging
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144:Diving
90:Design
343:(PDF)
318:(PDF)
404:2021
381:2021
351:2015
326:2015
301:2015
288:ISBN
267:2021
245:2021
26:The
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