Interesting. It doesn't sound like they expect the cooling trend of the oceans to continue for an extended duration.
True, they seem to think it will be like the early 80's. But it still begs the question of the models. The GCMs show ocean temperature changes (up and down) for certain areas for most circulation cycles. I'm not sure if any of them show an overall global drop if, for example, a couple of mostly cooling (upwelling) cycles coincide.