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Weather

Forecast for the rest of Tuesday 23 December

Swell: Southerly 2.0 to 2.5 metres.
A few showers, with the chance of a thunderstorm or two, more likley in the
evening.
Winds: Southeasterly around 15 to 20 knots.

Forecast for Wednesday 24 December

Max 28
heavy rainfall during the afternoon and evening.
Winds: South to southeasterly 20 to 25 knots, increasing up to 35 knots during the
evening, dependant on the movement and development of the tropical low.

See detailed weather data

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Articles

Coral formation

When a volcano emerges from tropical seas, it creates conditions favourable for the development of a fringe-like coral reef, or fringe reef, about its sloping coasts. A coral bank develops upward and outward, increasing in thickness and width.

After the phases of eruption and immersion, the third phase in that the volcano slowly sinks. This process can result in the formation of a barrier reef when a channel of deep water forms between the island and the fringe reef. The old fringe reef is often found to be detached from the coast because of the sinking.

When the volcano finally submerges below the surface, only the ring of coral around the old island remains, and an atoll is born.

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Cocos in the media

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