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 ...

The huge tidal wave, which pushed up from ... 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.

This lengthy river reaches incredible peaks before heading southward and creating an immensely powerful tidal bore ...

The only five-star bore this year is ripping through the Severn Estuary on Tuesday morning, to the joy of surfers and spectators alike. A bore is an upriver surge of tidal water, forming a fast ...

especially so-called five-star bores – predicted waves caused when tidal differences in the estuary are at their largest. For Rogers, the Severn bore is a wonder of the world and riding it is a ...

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 ...