Grunion Open Season in San Diego
According to the California Department of Fish and Wildlife, the second hour is usually better, and the best runs occur on the second and third nights of a four-night run. During the open season, a California fishing license is required for persons 16 years and older. Grunion may be taken by hand only. No holes may be dug in the beach to entrap them. There is no bag limit, but take only the fish you can use.