A multi-agency search has been launched for Muir of Ord man Giles Sumner.
Mr Sumner, 56, was last known to be around Culloden Road in Balloch on Friday evening.
The local coastguard is working alongside the police in the search, and a considerable presence has been seen in the area he was last reported to have been.
Sergeant Lucy Mackie said: “We are concerned for Giles’ welfare and would urge anyone who believes they may have seen him at any time since Friday evening to get in touch.
“Anyone who can help is asked to call 101, quoting incident 0863 of January 22.”
Multi-agency search launched for missing Muir of Ord man Giles Sumner