Crosshaven RNLI were battling the elements yesterday evening, facing waves of up to two metres as they joined a multi-agency search.
The volunteer lifeboat crew were paged at 5:13pm after a fisherman reported what he believed was a small boat on the rocks at Morris Head.
The crew made for the location in "a Force 5/6 southerly wind and up to two metre waves".
The Naval Service, Crosshaven Coastguard shore team and Rescue 117 helicopter were also involved in the search.
"After an intensive search by all agencies with nothing found, all units were stood down to return to base.
"This was a call deemed a false alarm, but with good intent," Crosshaven RNLI said in a statement.
"The lifeboat returned to station at 7:10pm and declared ready for service once more at 8pm.
"Boat crew were Alan Venner with Jenna O’Shea, Aoife Dinan and Claire Morgan.
"Shore crew, Sandra Farrell, Suzanne Deane, Gary Heslin, Jacub Bednarski and Jon Meaney," they continued.