Family of Woogenellup farmer Mark Adams devastated he may not be found alive after going on fishing trip

A female and male standing in grain field with mountain in background

Heather and Mark Adams on their property in WA's Great Southern. (Supplied: CBH)

In short:

Emergency services have scaled back its resources for the search of 62-year-old Mark Adams who did not return from a fishing trip on Tuesday.

His catamaran was found adrift near Michaelmas Island with no-one aboard.

What's next?

His family say they are coming to terms with the prospect he may never return.