The coastguard has said it is "highly unlikely" a man, who was swept into the sea in gale-force winds has survived.
Stuart Atkinson, watch manager at Crosby Coastguard station, said the strong, westerly gale-force winds made the search operation difficult.
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For the second year running, Sandbanks has been identified as Britain's most expensive seaside location.
It will be drier and brighter in the south, with temperatures remaining high.
The well-respected foreign policy hawk enjoyed his greatest successes as national security adviser to President Jimmy Carter.