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Extremehorizon Surfing Blog

Extremehorizon surf blog providing: regular surfing news, updates, stories, surf pictures, product reviews, surfer interviews and anything from the world of actions sports which is begging to be blogged!

Friday, 15 February 2008

The ultimate tidal bore ride!

There are tidal bores the world over including our very own on the River Severn, but compared to this Bore in Brazil it looks a little tame.

The phenomenon is a wave that forms at the head of the incoming tide in certain rivers or estuaries.It is the product of the tide wave and should not be confused with a tsunami.

A tidal bore can travel in excess of 20 miles an hour (30 kilometers an hour) and gets stronger as the river gets narrow and shallower, reaching recorded heights of up to 30 feet (9 meters). The pororoca, as the bores are known in the Brazilian Amazon, has been sighted over 180 miles (300 kilometers) inland on the Rio Guajara.

Check this video out...its pretty cool

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