33CFR80
- COLREGS DEMARCATION LINES
GULF COAST - DISTRICT EIGHT
Eighth district
80.805 Rock Island, FL to Cape San Blas, FL.
80.810 Cape San Blas, FL to Perdido Bay, FL.
80.815 Mobile Bay, AL to the Chandeleur Islands, LA.
80.825 Mississippi Passes, LA.
80.830 Mississippi Passes, LA to Point Au Fer, LA.
80.835 Point Au Fer, LA to Calcasieu Pass, LA.
80.840 Sabine Pass, TX to Galveston, TX.
80.845 Galveston, TX to Freeport, TX.
80.850 Brazos River, TX to the Rio Grande, TX.
Eighth district
§ 80.805 Rock Island, FL to Cape San Blas, FL.
(a) A south-north line drawn from the Econfina River Light to the opposite shore.
(b) A line drawn from Gamble Point Light to the southernmost extremity of Cabell Point.
(c) A line drawn from St. Mark's (Range Rear) Light to St. Mark's Channel Light 11; thence to the southernmost extremity of Live Oak Point; thence in a straight line through Shell Point Light to the southernmost extremity of Ochlockonee Point; thence to Bald Point along longitude 84°20.5' W.
(d) A line drawn from the south shore of Southwest Cape at longitude 84°22.7' W. to Dog Island Reef East Light 1; thence to Turkey Point Light 2; thence to the easternmost extremity of Dog Island.
(e) A line drawn from the westernmost extremity of Dog Island to the easternmost extremity of St. George Island.
(f) A line drawn across the seaward extremity of the St. George Island Channel Jetties.
(g) A line drawn from the northwesternmost extremity of Sand Island to West Pass Light 7.
(h) A line drawn from the westernmost extremity of St. Vincent Island to the southeast, highwater shoreline of Indian Peninsula at Longitude 85°13.5' W.
Back to Top § 80.810 Cape San Blas, FL to Perdido Bay, FL.
(a) A line drawn from St. Joseph Bay Entrance Range A Rear Light through St. Joseph Bay Entrance Range B Front Light to St. Joseph Point.
(b) A line drawn across the mouth of Salt Creek as an extension of the general trend of the shoreline to continue across the inlet to St. Andrews sound in the middle of Crooked Island.
(c) A line drawn from the northernmost extremity of Crooked Island 000° T. to the mainland.
(d) A line drawn from the easternmost extremity of Shell Island 120° true to the shoreline across the east entrance to St. Andrews Bay.
(e) A line drawn between the seaward end of the St. Andrews Bay Entrance Jetties.
(f) A line drawn between the seaward end of the Choctawatchee Bay Entrance Jetties.
(g) An east-west line drawn from Fort McRee Leading Light across the Pensacola Bay Entrance along latitude 30°19.5' N.
(h) A line drawn between the seaward end of the Perdido Pass Jetties.
Back to Top § 80.815 Mobile Bay, AL to the Chandeleur Islands, LA.
(a) A line drawn across the inlets to Little Lagoon as an extension of the general trend of the shoreline.
(b) A line drawn from Mobile Point Light to Dauphin Island Channel Light No. 1 to the eastern corner of Fort Gaines at Pelican Point.
(c) A line drawn from the western-most extremity of Dauphin Island to the easternmost extremity of Petit Bois Island.
(d) A line drawn from Horn Island Pass Entrance Range Front Light on Petit Bois Island to the easternmost extremity of Horn Island.
(e) An east-west line (latitude 30°14.7' N.) drawn between the westernmost extremity of Horn Island to the easternmost extremity of Ship Island.
(f) A curved line drawn following the general trend of the seaward, highwater shoreline of Ship Island.
(g) A line drawn from the Ship Island Light to Chandeleur Light; thence in a curved line following the general trend of the seaward, highwater shorelines of the Chandeleur Islands to the island at latitude 29°44.1' N., longitude 88°53.0' W.; thence to latitude 29°26.5' N., longitude 88°55.6' W.
Back to Top § 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.; thenceto 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.
(d) A line drawn from Mississippi River South Pass East Jetty Light 4 to Mississippi River South Pass West Jetty Light; thence following the general trend of the seaward highwater shoreline in a northwesterly direction to coordinate latitude 29°03.4' N. longitude 89°13.0' W.; thence west to coordinate 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 Mississippi River Southwest Pass Entrance Light.
(e) A line drawn from Mississippi River Southwest Pass Entrance Light; thence to the seaward extremity of the Southwest Pass West Jetty located at coordinate latitude 28°54.5' N. longitude 89°26.1' W.
Back to Top § 80.830 Mississippi Passes, LA to Point Au Fer, LA.
(a) A line drawn from the seaward extremity of the Southwest Pass West Jetty located at coordinate latitude 28°54.5' N. longitude 89°26.1' W.; thence following the general trend of the seaward, highwater jetty and shoreline in a north, northeasterly direction to Old Tower latitude 28°58.8' N. longitude 89°23.3' W.; thence to West Bay light; thence to coordinate latitude 29°05.2' N. longitude 89°24.3' W.; thence a curved line following the general trend of the highwater shoreline to Point Au Fer Island except as otherwise described in this section.
(b) A line drawn across the seaward extremity of the Empire Waterway (Bayou Fontanelle) entrance jetties.
(c) An east-west line drawn from the westernmost extremity of Grand Terre Islands in the direction of 194° true to the Grand Isle Fishing Jetty Light.
(d) A line drawn between the seaward extremity of the Belle Pass Jetties.
(e) A line drawn from the westernmost extremity of the Timbalier Island to the easternmost extremity of Isles Dernieres.
(f) A south-north line drawn from Caillou Bay Light 13 across Caillou Boca.
(g) A line drawn 107° true from Caillou Bay Boat Landing Light across the entrances to Grand Bayou du Large and Bayou Grand Caillou.
(h) A line drawn on an axis of 103° true through Taylors Bayou Entrance Light 2 across the entrances to Jack Stout Bayou, Taylors Bayou, Pelican Pass, and Bayou de West.
Back to Top § 80.835 Point Au Fer, LA to Calcasieu Pass, LA.
(a) A line drawn from Point Au Fer to Atchafalaya Channel Light 34, to Point Au Fer Reef Light 33; thence to Atchafalaya Bay Pipeline Light D latitude 29°25.0' N. longitude 91°31.7' W.; thence to Atchafalaya Bay Light 1 latitude 29°25.3' N. longitude 91°35.8' W.; thence to South Point.
(b) Lines following the general trend of the highwater shoreline drawn across the bayou and canal inlets from the Gulf of Mexico between South Point and Calcasieu Pass except as otherwise described in this section.
(c) A line drawn on an axis of 140° true through Southwest Pass Vermillion Bay Light 4 across Southwest Pass.
(d) A line drawn across the seaward extremity of the Freshwater Bayou Canal Entrance Jetties.
(e) A line drawn from Mermentau Channel East Jetty Light 6 to Mermentau Channel West Jetty Light 7.
(f) A line drawn from the radio tower charted in approximate position latitude 29°45.7' N. longitude 93°06.3' W. 115° true across Mermentau Pass.
(g) A line drawn across the seaward extremity of the Calcasieu Pass Jetties.
Back to Top § 80.840 Sabine Pass, TX to Galveston, TX.
(a) A line drawn from the Sabine Pass East Jetty Light to the seaward end of the Sabine Pass West Jetty.
(b) Lines drawn across the small boat passes through the Sabine Pass East and West Jetties.
(c) A line formed by the centerline of the highway bridge over Rollover Pass at Gilchrist.
Back to Top § 80.845 Galveston, TX to Freeport, TX.
(a) A line drawn from Galveston North Jetty Light 6A to Galveston South Jetty Light 5A.
(b) A line formed by the centerline of the highway bridge over San Luis Pass.
(c) Lines formed by the centerlines of the highway bridges over the inlets to Christmas Bay (Cedar Cut) and Drum Bay.
(d) A line drawn from the seaward extremity of the Freeport North Jetty to Freeport Entrance Light 6; thence Freeport Entrance Light 7; thence the seaward extremity of Freeport South Jetty.
Back to Top § 80.850 Brazos River, TX to the Rio Grande, TX.
(a) Except as otherwise described in this section lines drawn continuing the general trend of the seaward, highwater shorelines across the inlets to Brazos River Diversion Channel, San Bernard River, Cedar Lakes, Brown Cedar Cut, Colorado River, Matagorda Bay, Cedar Bayou, Corpus Christi Bay, and Laguna Madre.
(b) A line drawn across the seaward extremity of Matagorda Ship Channel North Jetties.
(c) A line drawn from the seaward tangent of Matagorda Peninsula at Decros Point to Matagorda Light.
(d) A line drawn across the seaward extremity of the Aransas Pass Jetties.
(e) A line drawn across the seaward extremity of the Port Mansfield Entrance Jetties.
(f) A line drawn across the seaward extremity of the Brazos Santiago Pass Jetties.
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