Severn Bore: Surfers and kayakers ride wave
2 February 2014 Last updated at 17:22 GMT
Kayakers and surfers have been riding a wave known as the Severn Bore following a tidal surge.
The BBC's Claire Marshall spoke to some of the those who took to canoes and surfboards in the River Severn estuary.
The people featured in this video are experienced surfers who took to the water despite official warnings from the Environment Agency to stay away.