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No. When they travel at that speed they are not visible. Only when they hit shallow water (a necessary , but not sufficient, condition) do they slow down and become a threat.

You can see bouys displaced by the seismic event, some up to one foot close by. Pretty crazy

There are planes, buoys and other things being mentioned on the news here in Japan as ways things are being tracked. Maybe not what you meant, but tracking the wave isn't necessarily correct. There are many waves, and the initial wave is often (in this case also) not the largest.

The news mentioned a previous similar event where the largest wave was 4 hours later.

Space-based assets.