How can you tell if a tidal wave will hit?

Answer 1

Just before a Tsunami (tidal wave) hits the water can recede. This is called a "drawback".Drawbacks can serve as a brief warning that a Tidal wave is going to strike very soon.

Answer 2

Tidal waves, or tsunamis, are typically caused by underwater earthquakes, volcanic eruptions, or landslides. Monitoring seismic activity in coastal regions and having a warning system in place can help predict and prepare for potential tidal waves. A sudden rise or fall in sea level, unusual ocean behavior, and warning signs from animals can also indicate that a tidal wave may be approaching.