Suspect wanted in sexual assault at San Mateo County beach

The San Mateo County Sheriff's Office provided a photo of the man wanted in an alleged sex assault at Gray Whale Cove State Beach.

Authorities are searching for a man accused of sexually assaulting a woman on a stairwell at a beach in unincorporated San Mateo County.

The incident happened around 4 p.m. Saturday at Gray Whale Cove State Beach.

Sheriff's officials said the suspect sexually abused a woman on a stairwell leading to the beach.

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Investigators released a photo of the suspect who is described as a white man in his 30s, about 5'7", slightly overweight, and has dark brown hair.

He was wearing a dark navy-blue spandex style shirt, baggy cotton jogger pants, and he wasn't wearing any shoes or socks.

He also was wearing a black backpack at the time of the assault.

Those with information on the incident are urged to contact Det. Piper at 650-599-1536 or by email at