This is even better than the Ballycotton one and – once again – was found by Ian Venner.  Good man, Ian!

Sea temperatures and a lot more from NMCI, Ringaskiddy.

Hours of endless data and fun.  Denis Condon said there was ten swimmers this morning and it felt very cold.  But what does the data from the NMCI say?……It says about 7.8c.  Denis was right, that’s getting lower.   A great service from the OPW.