Well, I'm in one of these communities, and the only thing that's happened is severe overreaction. The police set up a blockade for a kilometer around the harbor from all directions, preventing me from getting to two restaurants I work out of. This makes little sense, though, because Coast Highway is actually closer to the ocean in some parts than the harbor's shopping area.
The only abnormality here is that there are literally hundreds of boats out on the ocean. Even on a hot summer day there have never been so many boats out on the water around here.
Apart from that, there's nothing out of the ordinary here vis-à-vis the tsunami. My thoughts (not prayers) are with the Japanese as they struggle through this horrific disaster.