In this chartlet illustration, the U.S. Coast Guard provides a reference to key locations which outline three maritime security zones established for the 59th Presidential Inauguration.
The zones are scheduled to be established and enforced beginning 8 a.m., January 13 and conclude 8 a.m., January 25.
The Maritime Safety and Security Bulletin 01-21 which describes the geographical boundaries may be found at https://homeport.uscg.mil/port-directory/maryland-ncr
Illustration courtesy of the United States Coast Guard.