Tidal Bores: The Surprising Wave That Travels Up British Rivers

Twice each day, on certain rivers, an incoming tide produces a wave that travels upstream — and crowds gather to watch.

By the Fading Haze newsroom

On a handful of British rivers, the incoming tide produces a single wave that travels upstream — a phenomenon known as a tidal bore.

The Severn Bore is the most famous, drawing surfers, photographers and curious onlookers.

Smaller bores occur on other rivers, often less publicised but still impressive.

Tide tables and detailed forecasts help observers plan visits.

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