SAN FRANCISCO — Five gray whales have died in and around the San Francisco Bay over the past week, bringing the total number of whales that have washed up this year to 14, according to the California Academy of Sciences.

An increasing number of gray whales are turning up dead in Bay Area waters, with five more in just the past week, the Marine Mammal Center said.

Six gray whales have died in the San Francisco Bay Area region in the last week, officials have said. With the additional deaths, the total number of stranded whales this year has reached 15. Of those,