USS Zephyr (PC-8) was built as a Cyclone class patrol coastal ship in the United States Navy. As of 8 October 2004
she was transferred to the United States Coast Guard as USCGC Zephyr (WPC-8).

Zephyr is the eighth ship of thirteen in the Cyclone-class. All ships in this class are named after weather elements.
http://en.wikipedia.org/wiki/USS_Zephyr_(PC-8)