I'm pretty sure i saw this on USA "Up All Night" hosted by Gilbert Gottfried. It's pretty slow, but definitely worth it if you're doing something else at the same time. The Teenage Mutant Ninja Turtles should have done a cross-over into this movie at some point. Maybe one day.
An earthquake leaves the California coastline in ruins and reduces the beaches to a state of chaos. A group of Neo-Nazis led by Adolf (Brenner), the self-proclaimed "Führer of the new beach," take advantage of the resulting chaos by fighting off several rival surfer gangs to seize control of the beaches. Meanwhile, an African American oil well worker named Leroy (Harden) is killed by the Nazis while jogging on the beach. Leroy's mother "Mama" Washington (Neely), devastated by the loss of her son, vows revenge. After arming herself with a handgun and grenades, she breaks out of her retirement home and sets out to exact bloody vengeance on the Surf Nazis.