Advent served on escort and patrol duty in the South and West Pacific throughout World War II.

Her ports of call included Espiritu Santo; Sydney, Australia; Tongatapu; Efate, New Hebrides; and Guadalcanal.

The highlight of her service during this period was her rescue on 11 October of the crew of a downed PBY aircraft.

Her name was struck from the Navy list on 25 February 1946, and she was transferred to the Maritime Commission on 18 March 1948 for disposal.

This article incorporates text from the public domain Dictionary of American Naval Fighting Ships.