A minke whale was found swimming in Long Beach’s Rainbow Harbor. Marine biologists are hoping the whale is able to swim back out to sea on its own. If not, they will have to help guide it out.

Minke whale swims through Long Beach's Rainbow Harbor 02:12. Visitors flocked to Long Beach for a chance to see a minke whale swimming around the city's Rainbow Harbor on Thursday.

A minke whale — appearing healthy — had been swimming in Long Beach’s Rainbow Harbor and later washed up on the shore of the Los Angeles River in early April. (Photo courtesy of PMMC) ...

A minke whale that had been swimming in Long Beach’s Rainbow Harbor for most of the past week was found dead Sunday morning, April 6.. Officials with the National Oceanic and Atmospheric ...