Continental shelf

continental shelf - A region of relatively shallow water surrounding each of the continents.
cordage - Any rope or line.
counter - The part of the stern aft of where it leaves the waterline.

Continental Shelf :
A region of relatively shallow water surrounding a land mass where the depth increases gradually before it plunges into the deeps of the ocean.

Long period waves of low height that travel along the continental shelf and may modify coastal water levels off New South Wales by up to 0.2m. Shelf waves are generated e.g.

See also: Mooring, Course, Magnetic deviation, Navigation, Low tide