According to investigators, the sexual assault happened on Mar. 18 around 3:30 p.m. outside the Mission San Luis Rey on Mission Avenue.
Police say a man grabbed a female victim, fondled her and allegedly attempted to drag her into some nearby bushes. The woman fought back, striking the suspect, and was able to run away.
Three weeks later, police say the suspect is still at large. On Wednesday, officials released a composite sketch of the man.
Investigators describe him as a Hispanic man in his 30s, approximately 6-feet-tall and 200 pounds. He has brown or black shoulder-length hair, a moustache, a large mole on his neck and a tattoo of a snake on the back of his left forearm.
The Oceanside Police Department is asking anyone with information on this case to contact detectives handling the case at (760) 435-4824 or (800) 78-CRIME.