3 ms·Tsunamis are not like normal waves. I think they might be more like a really big rise of the tides.by facepalm 11y agoTsunamis are not like normal waves. I think they might be more like a really big rise of the tides.chrismcb 11y agoTsunamis are in fact a lot like waves, just real big ones. Tsunamis move quickly, a tide does not.facepalm 11y agoI meant in the amount of water shifted - so you don't simply break a Tsunami like a wave, the water just keepscoming.