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Title 33

Displaying title 33, up to date as of 8/11/2026. Title 33 was last amended 8/11/2026.
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USCG Northeast District

§ 80.105 Calais, ME to Cape Small, ME.

The 72 COLREGS shall apply on the harbors, bays, and inlets on the east coast of Maine from International Bridge at Calais, ME to the southwesternmost extremity of Bald Head at Cape Small.

§ 80.110 Casco Bay, ME.

(a) A line drawn from the southwesternmost extremity of Bald Head at Cape Small to the southeasternmost extremity of Ragged Island; thence to the southern tangent of Jaquish Island thence to Little Mark Island Monument Light; thence to the northernmost extremity of Jewell Island.

(b) A line drawn from the tower on Jewell Island charted in approximate position latitude 43°40.6′ N., longitude 70°05.9′ W. to the northeasternmost extremity of Outer Green Island.

(c) A Line drawn from the southwesternmost extremity of Outer Green Island to Ram Island Ledge Light; thence to Portland Head Light.

[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, as amended by USCG-2013-0397, 78 FR 39171, July 1, 2013]

§ 80.115 Portland Head, ME to Cape Ann, MA.

(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the harbors, bays, and inlets on the east coast of Maine, New Hampshire, and Massachusetts from Portland Head to Halibut Point at Cape Ann.

(b) A line drawn from the southernmost tower on Gerrish Island charted in approximate position latitude 43°04.0′ N., longitude 70°41.2′ W. to Whaleback Light; thence to Jaffrey Point Light 2A; thence to the northeasternmost extremity of Frost Point.

(c) A line drawn from the northernmost extremity of Farm Point to Annisquam Harbor Light.

[CGD 77-118a, 42 FR 35784, July 11, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, and amended by CGD 84-091, 51 FR 7786, Mar. 6, 1986; USCG-2013-0397, 78 FR 39171, July 1, 2013]

§ 80.120 Cape Ann, MA to Marblehead Neck, MA.

(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the harbors, bays and inlets on the east coast of Massachusetts from Halibut Point at Cape Ann to Marblehead Neck.

(b) A line drawn from Gloucester Breakwater Light to the twin towers charted in approximate position latitude 42°35.1′ N., longitude 70°41.6′ W.

(c) A line drawn from the westernmost extremity of Gales Point to the easternmost extremity of House Island; thence to Bakers Island Light; thence to Marblehead Light.

[CGD 77-118a, 42 FR 35784, July 11, 1977; 42 FR 63169, Dec. 15, 1977. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981; USCG-2013-0397, 78 FR 39171, July 1, 2013]

§ 80.125 Marblehead Neck, MA to Nahant, MA.

The 72 COLREGS apply on the harbors, bays, and inlets on the east coast of Massachusetts from Marblehead Neck to the easternmost tower at Nahant, charted in approximate position latitude 42°25.4′ N., longitude 70°54.6′ W.

[CGD 79-066, 45 FR 15176, Mar. 10, 1980. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981]

§ 80.130 Boston Harbor entrance.

A line drawn from the easternmost tower at Nahant, charted in approximate position latitude 42°25.4′ N., longitude 70°54.6′ W., to Boston Lighted Horn Buoy “B”; thence to the esternmost radio tower at Hull, charted in approximate position latitude 42°16.7′ N., longitude 70°52.6′ W.

[CGD 79-066, 45 FR 15176, Mar. 10, 1980. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981]

§ 80.135 Hull, MA to Race Point, MA.

(a) Except inside lines described in this section, the 72 COLREGS apply on the harbors, bays, and inlets on the east coast of Massachusetts from the easternmost radio tower at Hull, charted in approximate position latitude 42°16.7′ N., longitude 70°52.6′ W., to Race Point on Cape Cod.

(b) A line drawn from Canal Breakwater Light 6 south to the shoreline.

[CGD 77-118a, 42 FR 35784, July 11, 1977, as amended by CGD 79-066, 45 FR 15176, Mar. 10, 1980. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, and amended by CGD 84-091, 51 FR 7786, Mar. 6, 1986; USCG-2022-0323, 88 FR 10028, Feb. 16, 2023]

§ 80.145 Race Point, MA, to Watch Hill, RI.

(a) Except inside lines specifically described in this section, the 72 COLREGS shall apply on the sounds, bays, harbors, and inlets along the coast of Cape Cod and the southern coasts of Massachusetts and Rhode Island from Race Point to Watch Hill.

(b) A line drawn from Nobska Point Light to Tarpaulin Cove Light on the southeastern side of Naushon Island; thence from the southernmost tangent of Naushon Island to the easternmost extremity of Nashawena Island; thence from the southwestern most extremity of Nashawena Island to the easternmost extremity of Cuttyhunk Island; thence from the southwestern tangent of Cuttyhunk Island to the tower on Gooseberry Neck charted in approximate position latitude 41°29.1′ N., longitude 71°02.3′ W.

(c) A line drawn from Sakonnet Breakwater Light 2 tangent to the southernmost part of Sachuest Point charted in approximate position latitude 41°28.5′ N., longitude 71°14.8′ W.

(d) An east-west line drawn through Beavertail Light between Brenton Point and the Boston Neck shoreline.

[CGD 77-118a, 42 FR 35784, July 11, 1977, as amended by CGD 79-036, 44 FR 22458, Apr. 16, 1979. Redesignated by CGD 81-017, 46 FR 28154, May 26, 1981, and amended by CGD 84-091, 51 FR 7786, Mar. 6, 1986; USCG-2013-0397, 78 FR 39171, July 1, 2013]

§ 80.150 Block Island, RI.

The 72 COLREGS shall apply on the harbors of Block Island.

§ 80.155 Watch Hill, RI to Montauk Point, NY.

(a) A line drawn from 41°18′13.999″ N., 071°51′30.300″ W. (Watch Hill Light) to East Point on Fishers Island.

(b) A line drawn from Race Point to 41°14′36.509″ N., 072°02′49.676″ W. (Race Rock Light); thence to 41°12′22.900″ N., 072°06′24.700″ W. (Little Gull Island Light) thence to East Point on Plum Island.

(c) A line drawn from 41°10′16.704″ N., 072°12′21.684″ W. (Plum Island Harbor East Dolphin Light) to 41°10′17.262″ N., 072°12′23.796″ W. (Plum Island Harbor West Dolphin Light).

(d) A line drawn from 41°10′25.745″ N., 072°12′42.137′ W. (Plum Gut Light) to 41°09′48.393″ N., 072°13′25.014″ W. (Orient Point Light); thence to Orient Point.

(e) A line drawn from 41°06′35.100″ N., 072°18′21.400″ W. (Long Beach Bar Light) to Cornelius Point.

(f) A line drawn from 41°04′12.000″ N., 072°16′48.000″ W. (Coecles Harbor Entrance Light) to Sungic Point.

(g) A line drawn from Nicholl Point to 41°02′25.166″ N., 072°15′42.971″ W. (Cedar Island Light 3CI).

(h) A line drawn from 41°02′06.060″ N., 072°11′19.560″ W. (Threemile Harbor West Breakwater Light) to 41°02′05.580″ N., 072°11′15.777″ W. (Threemile Harbor East Breakwater Light).

(i) A line drawn from 41°04′44.210″ N., 071°56′20.308″ W. (Montauk West Jetty Light 2) to 41°04′46.095″ N., 071°56′14.168″ W. (Montauk East Jetty Light 1).

[USCG-2015-0433, 80 FR 44280, July 27, 2015, as amended by USCG-2016-0498, 82 FR 35080, July 28, 2017]

§ 80.160 Montauk Point, NY to Atlantic Beach, NY.

(a) A line drawn from the 40°50′17.952″ N., 072°28′29.010″ W. (Shinnecock Inlet Breakwater Light 2) to 40°50′23.490″ N., 072°28′40.122″ W. (Shinnecock Inlet Breakwater Light 1).

(b) A line drawn from 40°45′47.763″ N., 072°45′11.095″ W. (Moriches Inlet Breakwater Light 2) to 40°45′49.692″ N., 072°45′21.719″ W. (Moriches Inlet Breakwater Light 1).

(c) A line drawn from the westernmost point on Fire Island to the southernmost extremity of the spit of land at the western end of Oak Beach.

(d) A line drawn from 40°34′23.568″ N., 073°34′32.364″ W. (Jones Inlet Light) 322° true across Jones Inlet to the shoreline.

[USCG-2015-0433, 80 FR 44280, July 27, 2015]

§ 80.165 New York Harbor.

A line drawn from 40°34′56.600″ N., 073°45′17.200″ W. (East Rockaway Inlet Breakwater Light) to 40°27′42.177″ N., 074°00′07.309″ W. (Sandy Hook Light).

[USCG-2015-0433, 80 FR 44280, July 27, 2015]