Lower Sue Creek encompasses the area south of a line beginning at a point at or near Lat. 39° 17.333' N., Long. 76° 23.710' W., then running 339° (True) to a point, at or near Lat. 39° 17.798' N., Long. 76° 23.942' W., and north of a line beginning at a point, at or near Lat. 39° 17.160' N., Long. 76° 24.032' W., then running 12° (True) to a point, at or near Lat. 39° 17.348' N., Long. 76° 23.980' W. This area has a 6-knot speed limit all year. Upper Sue Creek encompasses the area upstream of a line beginning at or near Lat. 39° 17.160' N., Long. 76° 24.032' W., then running 12° (True) to a point, at or near Lat. 39° 17.348' N., Long. 76° 23.980' W. and running to the head of the creek, including all tributaries. This area has a: 6-knot speed limit Saturdays, Sundays, and State holidays, all year; and 6-knot speed limit on weekdays from 6 p.m. to midnight during the boating season.