beam
The term is "astern" as opposed to "ahead" (forward) It comes from the word stern, that means the rear of the boat, as opposite to the bow The nautical term for rearward, as in the direction, would be aft.
ABAFT
Facing forward, port is the left hand side
On the ground; stranded; -- a nautical term applied to a ship when its bottom lodges on the ground.
Yes, "slue" is a word. It means to turn or slide violently or uncontrollably in a particular direction. It is often used in a nautical context to describe a boat's movement.
"Close aboard" is a Nautical term that refers to the position of another ship or a boat that is close enough to hurl a rope to.
Scope
The left of a ship is port and the right is starboard. Aft is the rear of a ship and the bow is the front of a ship.
a boating term
The nautical term for a unit of speed when sailing or navigating a boat is the word knots. To measure a knot it is the unit of speed equal to one nautical mile approximately 1.151 mph.
1 nautical mile = 0.33 leagues.
The nautical term for stopping a sailboat by pointing into the wind is "in irons."