what I found interesting was looking at the bottom with a good depth finder. You could see the schools of fish all balled up. They were acting just like in the story books. Sitting just outside of the main flow, on the edge. The schools were 10 - 20 feet deep and maybe 20 yds long.
I imagine they were looking for the bait to flow by them and they'd slowly go into the current grab a bite and go back to the slack water. The other location was in the harbor which is basically a back eddy where I imagine some of the bait goes to avoid the force of the flow as well.