At or near the middle part of the ship
Midships
Towards the front of the ship
Ahead
Starboard
The front part of the vessel
Bow
The aftermost part of the vessel
In the direction of the stern of the ship
Aft
Inside, toward, or near the centre line
Inboard
Below the deck
Below
The height from the uppermost deck to the waterline
Freeboard
The greatest width of the hull
Beam
The line joining the middle of the stem to the middle of the stern
Centre Line
Towards the back of the ship
Astern
Moving to an upper deck
Up Top
The middle part of the hull
Midship Part
The part of the hull beginning at the stem
Fore Part
In the direction of the bow of the ship
Forward
At a right angle to the ship
Abeam
Outside the ship or away from the centre line
Outboard
The part of the hull ending at the stern
After Part
Runs along the bottom of the ship, connecting the stem and stern
Keel
Further aft than an object or location
Abaft
Direction above
Aloft
Across the ship from side to side
Athwartships
The depth of the keel below the waterline at any point along the hull
Draught
The foremost steel part forming the bow of the vessel.
Stem