Shield.  Per saltire Gris and billetté Celeste and Argent, a lozenge Azure throughout, bearing a mermaid Proper, tail of the second, holding above her head a sphere of the second, fimbriated and grid-lined of the fourth.

Crest.  From a wreath Argent and Gris, upon a flowered meadow with a stream centered, two dolphins haurient Celeste, eyed Azure, one on dexter and one in sinister, both grasping in their fins a sun in splendor Proper.

Supporters.  A pair of tridents palewise Or, just below prongs a lozenge Gules, handle entwined by the ends of a scroll Celeste, doubled Azure.

Motto.  A scroll Celeste doubled Azure, inscribed “FIRST TO SERVE” of the second.

Shield. The shield is divided diagonally to suggest the “X” hazard symbol, referring to Myrtle Hazard’s last name.  The billetté, or vertical bars, allude to Hazard being a trained radio and telegraph operator during her service in World War I.  The bars further signify Hazard’s skills in Morse code.  The lozenge has heraldic significance to women, where the arms of a woman used to be depicted on a lozenge or oval instead of a shield.  The mermaid is known for her beauty, grace, and cleverness.  She holds a globe above her head, denoting worldwide communication and defense.

Crest.  The meadow with yellow daisies refers to Myrtle Hazard’s home city and state, Baltimore, Maryland.  The stream signifies USCGC MYRTLE HAZARD’s mission, to conduct port, waterways, and coastal security; fishery patrols; search and rescue; and national defense.  Dolphins are aquatic mammals of high intelligence, known for their teamwork, communication, swiftness, and diligence.  They hold up the sun in splendor to symbolize success, glory, and enlightenment.  

Supporters.  The golden tridents refer to Poseidon’s son, Triton, who was usually portrayed as a merman and messenger in Greek mythology.  The tridents stand on each side of the shield as a symbol of protection, power, and strength. 

Motto.  The scroll ends wrap around the tritons to further signify security and defense. 

Seal.  The coat of arms as blazoned in full color on a circular white disc, within a Cobalt Blue designation band, edged with a Gold rope, inscribed “USCGC MYRTLE HAZARD” at the top and “WPC 1139” at the base.