Ocean wildlife experts are urging boaters in Southern California to keep an eye out for a juvenile gray whale tangled in a fish net.

Pacific Marine Mammal Center officials said Tuesday they are not giving up on efforts to free the whale from the monofilament gillnet and line wrapped around its tail and flukes.

A response team from the center and various agencies worked to free the entangled whale when it was reported Saturday off Orange County, but the mission had to be called off late in the day.

The team attached a lightweight orange buoy to help relocate the whale, but boats dispatched again on Sunday were unable to find it.

Gray whales swim along the California coast as they migrate between Baja California and the Arctic.