Pollution alerts are in place at two Welsh beaches after the heatwave. Safer Seas & Rivers Service looks at water quality at over 400 locations around UK rivers and coastlines.
More than 50 seaside beaches have warnings in place across the UK including tourist destinations in Cornwall, Devon, Sussex, Essex, Lancashire, Lincolnshire, Northumberland and Cumbria. Both Rest Bay and Storm Bay in Porthcawl also have warnings against them.
For Rest Bay, the warning says storm sewage has been discharged from a sewer overflow in this location in the past 48 hours". The same is true for Sandy Bay.
