33 CFR § 80.825 - Mississippi Passes, LA.

---
identifier: "/us/cfr/t33/s80.825"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 80.825 - Mississippi Passes, LA."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "80.825"
section_name: "Mississippi Passes, LA."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "D"
subchapter_name: "INTERNATIONAL NAVIGATION RULES"
part_number: "80"
part_name: "COLREGS DEMARCATION LINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 102, 503; 33 U.S.C. 151(a)."
regulatory_source: "CGD 77-118a, 42 FR 35784, July 11, 1977, unless otherwise noted. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981."
cfr_part: "80"
---


# 80.825 Mississippi Passes, LA.

(a) A line drawn from latitude 29°26.5′ N., longitude 88°55.6′ W. to latitude 29°10.6′ N., longitude 88°59.8′ W.; thence to latitude 29°03.5′ N., longitude 89°03.7′ W.; thence to latitude 28°58.8′ N., longitude 89°04.3′ W.

(b) A line drawn from latitude 28°58.8′ N., longitude 89°04.3′ W.; to latitude 28°57.3′ N., longitude 89°05.3′ W.; thence to latitude 28°56.95′ N., longitude 89°05.6′ W.; thence to latitude 29°00.4′ N., longitude 89°09.8′ W.; thence following the general trend of the seaward highwater shoreline in a northwesterly direction to latitude 29°03.4′ N., longitude 89°13.0′ W.; thence west to latitude 29°03.5′ N., longitude 89°15.5′ W.; thence following the general trend of the seaward highwater shoreline in a southwesterly direction to latitude 28°57.7′ N., longitude 89°22.3′ W.

(c) A line drawn from latitude 28°57.7′ N., longitude 89°22.3′ W.; to latitude 28°51.4′ N., longitude 89°24.5′ W.; thence to latitude 28°52.65′ N., longitude 89°27.1′ W.; thence to the seaward extremity of the Southwest Pass West Jetty located at latitude 28°54.5′ N., longitude 89°26.1′ W.

[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by CGD 84-091, 51 FR 7787, Mar. 6, 1986; CGD 89-068, 55 FR 31831, Aug. 6, 1990; USCG-2012-0306, 77 FR 37312, June 21, 2012]