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He rides what is known as a tidal bore: a surge caused by tidal changes – in this case in the Bristol estuary – that creates a wave large enough to surf. An enthusiastic and close-knit ...

China’s Qiantang River has the world’s largest tidal bore, which can go up to 30 feet high and 25 miles per hour. The strongest bores are formed in the fall, making the region a hotspot for ...

Part of the food cart pod at Level Beer’s brewery and taproom in a mostly industrial area east of Portland International Airport, Tidal Boar’s offerings include fresh-shucked oysters ...

The Severn Bore is a unique phenomenon that occurs when a large tidal surge pushes sea water up the Severn Estuary and into the River Severn or Afon Hafren as it's known in Welsh. The Severn Estuary ...

The moon causes a tidal bore that reverses the flow of the river and slows the earth’s spin each day These Brazilians are about to surf in a very unlikely place: the Amazon River. During full ...

Factors such as wind speed and direction at the time of the high tide determine how big the waves get. The scale of the Severn Bore is graded between five and one, depending on the size.