SAN FRANCISCO (KRON) -- A dead male gray whale was discovered in San Francisco Bay on Friday. This marks the fifth dead whale reported in local waters this year, following four reports in March. The cause of death has not been determined, according to The Marine Mammal Center. Photo courtesy of Th e Marine Mammal Center. Officials said the whale was in an inaccessible location, and no necropsy will be performed. "The new whale was a male sighted off Cavallo Point on Friday, April 3, when initial samples were taken via research vessel," said TMMC in a social media post. No other details were provided, and KRON4 has reached out for more information. The last report of a dead whale was on March 29, when a subadult male gray whale was found in the Point Pinole area near Angel Island. ...read more read less