The better comparison would be between Occupy Wall St and the counterculture in general. There are more similarities there than there are between OWS and the anti-war movement.
The major similarity between OWS and the anti-war movement is that they are/were both made up mostly of left-wing young people. They are/were also both anti-establishment in nature. However, that is where the similarities end.
The major difference is that the anti-war movement was a very focused movement with a clear purpose. The protestors knew that they thought the war was wrong and should be ended. They knew that they wanted the draft to be abolished. There are no such clear demands present in the OWS movement. Instead, OWS has a set of grievances, but very little in the way of concrete demands for what they want from government.
The anti-war movement, then, was more of what Aberle would call a reformative movement. It was one that had specific goals that would change society in limited ways. By contrast, OWS (and the counterculture) is more of a transformative movement in that it seems to want to change our entire way of life and our entire value system.