My son and the neighbors are up there this weekend. Went out yesterday evening after the storms cleared out. Found very large sandbass on the north arm from out around Alberta Creek up to the highway 70 bridge, Sorry he was too busy cleaning fish to give me exact location. They are schooling on top, which he prefers to fish. Throws pop-r's, yellow magic, torpedos or zara spooks. Works them fast. He does keep a slab \ jib combo tied on for when they go down, good way to pick up a few more.
They were out this morning, catching, and back in and cleaning fish at 8:30.
Hope this helps. If I get more info I'll pass it along.