Updated: Man Dies in Alameda After Walking into Bay

A good Samaritan swimmer pulled a 52-year-old Alameda man 50 yards back to Alameda's Monday afternoon after the man walked fully clothed into San Francisco Bay, according to Lt. Joe McNiff of the .

Emergency personnel waiting on the beach found the man unresponsive after a reported 60 minutes in the water and took him to . 

He was taken to the Alameda County Coroner's Office where he was identified as Raymond Zack, according to Deputy D. Sanchez.

"He's scheduled for an autopsy tomorrow," said Sgt. M. Denobriga also of the coroner's office. "The doctors will determine the cause of death."  

The called the Coast Guard at 11:34 a.m. with reports that a man had walked into the surf near the intersection of Shoreline Drive and Willow Street.

Neither the Alameda Police Department nor the Alameda Fire Department is certified in land-based water rescue, according to a police statement released Monday evening.

"The Alameda Fire Department does not currently have, and is not certified, in land-based water rescues," read the statement. "The City of Alameda primarily relies on the United States Coast Guard for these types of events."

The good Samaritan, who was not identified by authorities but was described as a woman in her 20s, dove into the water to rescue the man, according to Petty Officer Erik Swanson of the United States Coast Guard.

The man was pulled from the water at 12:29 p.m., according to McNiff.

The Coast Guard responded to the attempted rescue with a boat and a Dolphin helicopter.

Swanson said that the good Samaritan was doing fine after the rescue effort.