In 1917, due to the threat posed by German raiders such as SMS Seeadler, Gayundah patrolled off Port Jackson and in the Spencer Gulf, although she made no contact with enemy ships during this time.
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At Scott Reef, on 25 May, Gayundah boarded and detained two Dutch schooners with illegal catches of trepang (sea cucumber) and trochus shell, and escorted them into Broome on 29 May.
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Gayundah was beached on 2 June 1958, and now serves as a breakwater off the Woody Point cliffs near Redcliffe.
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Returning to Queensland, she was used to haul sand and gravel barge on the Brisbane River.