Tsunami wave simulation for Grays Harbor, Wash. (youtube.com)Tsunami wave simulation for Grays Harbor, Washington, from a hypothetical magnitude 9.0 earthquake (L1) scenario on the Cascadia subduction zone. Developed by Washington Geological Survey hazard geologists.
Watercraft (Wikipedia)A watercraft or waterborne vessel is any vehicle designed for travel across or through water bodies, such as a boat, ship, hovercraft, submersible or submarine.