A New Zealander is feared drowned after being swept out to sea from a beach on Victoria's Mornington Peninsula.
The man, in his 20s, had been standing on rocks with friends when two of them fell or were swept into the water, a police spokeswoman said.
One of the men made it back to shore at Pearse's Beach near Blairgowrie on Wednesday afternoon.
The group then called triple zero but a five-hour sea search until dark, about 8.30pm (AEDT), failed to find the other man.
A search involving a police helicopter, officers and water police will resume at first light on Thursday.
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Officers are also trying to contact the missing man's family in New Zealand, the police spokeswoman said.
The man is feared drowned and the search is considered a recovery operation.
