Porpoise jump

A great sighting of Porpoise today, about 1/2 mile to the north of Cardigan Island to start with.  There was a lot of Gannet activity which we went to investigate and then initially saw 6-8 Porpoise.  Then whilst watching we spotted another 4 or 5 to the west towards Cemaes.  A first for me was to see one porpoise jump clean out of the water showing us its pale under belly.  It was obviously getting rather excited about something.  We see dolphins jumping regularly but not porpoise.  If only I had my camera!