2. The area of water below high water springs enclosed by a line starting at Renish Point on Harris at 57°43.6'N 6°58'W; then south and west to a point on the north shore of North Uist at 57°35.8'N 7°06.4'W (Rubha nan Pleac); then west along the north shore of North Uist to a point at 57°39.5'N 7°29.5'W (Griminish Point); then west to a point at 57°39.5'N 07°30'W; then north to a point at 58°15'N 7°30'W; then east to a point at 58°15'N 7°00'W then south to the west coast of the Isle of Lewis to a point at 58°14.2'N 7°00'W; then south along the west coast of Lewis and Harris to the start point.