Severn bore © Geoff Caddick/AFP/Getty Images

Severn bore © Geoff Caddick/AFP/Getty Images

22 March, 2015 – This weekend the Severn bore pulsed with an impressive wave thanks to the highest tides in that region for the past 18 years.

As the alignment of the Sun and Moon created an ocean surge not seen since the 1990s, the so-called “tide of the century” saw surges up to 14 meters high in some parts of Europe. The high tides turned France’s famed Mont Saint-Michel into an island.

The tidal range, the second highest in the world at up to 50ft works as water is funneled into an increasingly narrow channel. As the tidal flow travels into the narrowing river, it builds up to create a wave.

On Saturday morning in Gloucestershire hundreds of surfers showed up with big crowds on the shore.

The bore, one of eight in the UK and around 60 worldwide, was once measured at a height of 9.25ft in October 1966.

Another bore is expected in September.




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