What is hurricane #StormSurge, and why can it be so catastrophic?
"As a hurricane reaches the coast, it pushes a huge volume of ocean water ashore.
Water level heights during a hurricane can reach 20 feet or more above normal sea level. With powerful waves on top of it, a hurricane’s storm surge can cause catastrophic damage."
https://theconversation.com/what-is-hurricane-storm-surge-and-why-can-it-be-so-catastrophic-145369