Dr Robert Keirle of the Marine Conservation Society says the wet summer of 2012 is partly to blame for a decline in some Welsh bathing beaches.
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A warm and muggy night with showers, occasionally thundery in the south. These will gradually clear eastwards through the early hours
The world record for the largest scrum was broken in Cardiff today after 1,297 rugby players from across the globe took part.
Chris Coleman: Wales position 'something very special and close to my heart'.