Bombing over the Irish sea apparently was not that uncommon. Now have two sources about events in two areas that although they were some what distant were easily within flying distance of Rhosneigr.
(1) BBC staff (accessed 10-26-07) Nazis Who Knew Cardiff. BBC Home Page, South Wales.
http://www.bbc.co.uk/wales/southeast...esponse#thanks “
Senior Air Raid Warden Gilbert Shepherd said that the last air raid on Cardiff, on May 18th 1943, was planned by a Nazi who knew the city.”
(2) Fisk, Robert 1983 In Time of War: Ireland, Ulster and the Price of Neutrality, 1939-45 Gill & McMillan Dublin (1985) ISBN-13 9780717124114 p.301-302“… the Luftwaffe had adapted a new tactic, flying their long-range Focke-Wolf Condor bombers from French airfields around Brest up the west coast of Ireland to attack British shipping and then with their tanks low, on fuel continuing on to airbases at Stavanger in German occupied Norway… at the deserted port of Berehaven, local people watched the big four-engined Condors flying over them every morning
en route to the Atlantic convoy lanes, undisturbed by British fighters ore anti-aircraft fire. In February (1941 I think the author is not clear on which year L.D.), seventy-nine British freighters were sunk, the highest losses in the war so far.”