Area. All of the waters of Slaughter Creek south of a line beginning at a point on shore defined by Lat. 38°28.702' N, Long. 76°17.578' W; then running 93° True to a point on shore defined by Lat. 38°28.682' N, Long. 76°17.135' W and north of a line beginning at a point on shore defined by Lat. 38°28.182' N, Long. 76°17.363' W; then running 268° True to a point on shore defined by Lat. 38°28.175' N, Long. 76°17.598' W, including Chapel Cove. The speed limit for the area described in §A of this regulation is 6 knots on Saturdays, Sundays, and State holidays during the boating season.