Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.161.50 Vessel Traffic Service San Francisco

The VTS area consists of all the navigable waters of San Francisco Bay Region south of the Mare Island Causeway Bridge and the Petaluma River Entrance Channel Daybeacon 19 and Petaluma River Entrance Channel Light 20 and north of the Dumbarton Bridge;  its seaward approaches within a 38 nautical mile radius of Mount Tamalpais (37°55.8' N., 122°34.6' W.);  and its navigable tributaries as far east as the port of Stockton on the San Joaquin River, as far north as the port of Sacramento on the Sacramento River.