Well, technically I was working with the current the entire time. However, the moment that I'd use the eddy's current to get into the stronger, main current, I'd be sucked right back into the eddy and beached again. So, how would working less change anything, besides make it so I never entered the main current?
I hope you realize that if you go back to the same spot and pour dye into the eddy, it will start to permeate downstream. Unless of course this is the worlds first watery black hole.