That's the depth distance from the waterline to the bottom of the keel. Depending on context, it may also mean the degree of curvature in a given sail.
a boat draft
that is where the water level is when the boat is in the water.
It is the boat's draft.
It is the boat's draft.
It is the boat's draft.
It is the boat's draft.
It is the boat's draft.
It is the boat's draft.
A boat's draft usually refers to what depth of water the boat needs not to run aground. One of the features that made the vikings such succcesful raiders was that their boats, the Long ships, were both sea worthy enough to cross big stretches of open waters while still having a shallow enough draft so they could sail right up rivers and attack towns and settlements before they had time to defend themselves. Answer A viking boat draft is when you drAFT THE way that you are going to design the boat before you make it.
The distance from the surface of the water to the lowest point of the boat: How much depth of water does the boat need not to touch the bottom.
It's called "draft". Draft is the distance from the waterline to the bottom of the ship.
The distance between the bottom and the keel of a boat is the draught (British English).