The air and search operation launched after a suspected plane crash near Fishguard has been "stood down."
Milford Haven coastguard told ITV News they "don't believe there's anything in the area."
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Winter sunshine with cloud creeping in during the afternoon and a frosty night ahead.
The Revd Canon Joanna Penberthy has been consecrated as Bishop of St Davids in "an historic" day for the Church in Wales.
Temperatures will tumble under clear skies tonight with a widespread frost developing.