Sec.

THIRTEENTH DISTRICT

80.1305 Chetco River, OR. 80.1310 Rogue River, OR. 80.1315 Coquille River, OR. 80.1320 Coos Bay, OR. 80.1325 Umpqua River, OR. 80.1330 Siuslaw River, OR. 80.1335 Alsea Bay, OR. 80.1340 Yaquina Bay, OR. 80.1345 Depoe Bay, OR. 80.1350 Netarts Bay, OR. 80.1355 Tillamook Bay, OR. 80.1360 Nehalem River, OR. 80.1365 Columbia River Entrance, OR/WA.

80.1370 Willapa Bay, WA. 80.1375 Grays Harbor, WA. 80.1380 Quillayute River, WA. 80.1385 Strait of Juan de Fuca. 80.1390 Haro Strait and Strait of Georgia.

80.1395 Puget Sound and

adjacent waters.

PACIFIC ISLANDS

FOURTEENTH DISTRICT

80.1410 Hawaiian Island Exemption

from General Rule. 80.1420 Mamala Bay, Oahu, HI. 80.1430 Kaneohe Bay, Oahu, HI. 80.1440 Port Allen, Kauai, HI. 80.1450 Nawiliwili Harbor,

Kauai, HI.

80.1460 Kahului Harbor, Maui, HI. 80.1470 Kawaihae Harbor, Hawaii, HI. 80.1480 Hilo Harbor, Hawaii, HI. 80.1490 Apra Harbor, U.S. Territory of Guam.

80.1495 U.S. Pacific Island

Possessions.

ALASKA

SEVENTEENTH DISTRICT

80.1705 Alaska.

GENERAL

§ 80.01 General basis and purpose of demarcation lines. (a) The regulations in this part establish the lines of demarcation delineating those waters upon which mariners shall comply with the International Regulations for for Preventing Collisions at Sea, 1972 (72 COLREGS) and those waters upon which mariners shall comply with the Inland Navigation Rules.

(b) The waters inside of the lines are Inland Rules Waters. The waters outside the lines are COLREGS Waters.

ATLANTIC COAST

FIRST 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.

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.

§ 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 Whale-back Light; thence to Jeffrey 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.

§ 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.

Gloucester Harbor 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.

§ 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.

§ 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 easternmost radio tower at Hull, charted in approximate position latitude 42°16.7' N., longitude 70°52.6' W.

§ 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 4 south to the shoreline.

§ 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.

§ 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 Watch Hill Light to East Point on Fishers Island.

(b) A line drawn from Race Point to Race Rock Light; thence to Little Gull Island Light thence to East Point on Plum Island.

(c) A line drawn from Plum Island Harbor East Dolphin Light to Plum Island Harbor West Dolphin Light.

(d) A line drawn from Plum Island Light to Orient Point Light; thence to Orient Point.

(e) A line drawn from the lighthouse ruins at the southwestern end of Long Beach Point to Cornelius Point.

(f) A line drawn from Coec!es Harbor Entrance Light to Sungic Point.

(g) A line drawn from Nicoll Point to Cedar Island Light. (h) A line drawn from Threemile Harbor West Breakwater Light to Three Mile Harbor East Breakwater Light.

(i) A line drawn from Montauk West Jetty Light 1 to Montauk East Jetty Light 2.

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

(a) A line drawn from Shinnecock Inlet East Breakwater Light to Shinnecock Inlet West Breakwater Light 1.

Inlet East Breakwater Light to Moriches Inlet West Breakwater Light.

(c) A line drawn from Fire Island Inlet Breakwater Light 348° true to the southernmost extremity of the spit of land at the western end of Oak Beach.

(d) A line drawn from Jones Inlet Light 322° true across the southwest tangent of the island on the north side of Jones Inlet to the shoreline.

East

§ 80.165 New York Harbor. A line drawn from from Rockaway Inlet Breakwater Light to Sandy Hook Light.

§ 80.170 Sandy Hook, NJ to Toms River, NJ.

(a) A line drawn from Shark River Inlet North Breakwater Light 2 to Shark River Inlet South Breakwater Light 1.

(b) A line drawn from Manasquan Inlet North Breakwater Light 4 to Manasquan Inlet South Breakwater Light 3.

(c) A line drawn from Barnegat Inlet North Breakwater Light 4A to the seaward extremity of the submerged Barnegat Inlet South Breakwater; thence along the submerged breakwater to the shoreline.

FIFTH DISTRICT

$ 80.501 Toms River, NJ to Cape May, NJ.

(a) A line drawn from the seaward tangent of Long Beach Island to the seaward tangent to Pullen Island across Beach Haven and Little Egg Inlets.

ward tangent of Pullen Island to the seaward tangent of Brigantine Island across Brigantine Inlet.

(c) A line drawn from the seaward extremity of Absecon Inlet North Jetty to Atlantic City Light.

(d) A line drawn from the southernmost point of Longport at latitude 39°18.2' N. longitude 74°33.1' W. to the northeasternmost point of Ocean City at latitude 39°17.6' N. longitude 74° 33.1' W. across Great Egg Harbor Inlet.

(e) A line drawn parallel with the general trend of highwater shoreline across Corson Inlet.

(f) A line formed by the centerline of the Townsend Inlet Highway Bridge.

(g) A line formed by the shoreline of Seven Mile Beach and Hereford Inlet Light.

(h) A line drawn from Cape May Inlet East Jetty Light to Cape May Inlet West Jetty Light.

§ 80.503 Delaware Bay.

A line drawn from Cape May Light to Harbor of Refuge Light; thence to the northernmost extremity of Cape Henlopen.

§ 80.505 Cape Henlopen, DE to Cape Charles, VA.

(a) A line drawn from the seaward extremity of Indian River Inlet North Jetty to Indian River Inlet South Jetty Light.

(b) A line drawn from Ocean City Inlet Light 6 225° true across Ocean City Inlet to the submerged south breakwater.

(c) A line drawn from Assateague Beach Tower Light to the tower charted at latitude 37°52.6' N. longitude 75°26.7' W.

(d) A line formed by the range of Wachapreague Inlet Light 3 and Parramore Beach Lookout Tower drawn across Wachapreague Inlet.

(e) A line drawn from the lookout tower charted on the northern end of Hog Island to the seaward tangent of Parramore Beach.

(f) A Line drawn 207° true from the lookout tower charted on the southern end of Hog Island across Great Machipongo Inlet.

(g) A line formed by the range of the two cupolas charted on the southern end of Cobb Island drawn across Sand Shoal Inlet.

(h) Except as provided elsewhere in this section from Cape Henlopen to Cape Charles, lines drawn parallel with the general trend of the highwater shoreline across the entrances to small bays and inlets.

§ 80.510 Chesapeake Bay Entrance, VA.

A line drawn from Cape Charles Light to Cape Henry Light.

§ 80.515 Cape Henry, VA to Cape Hatteras, NC.

(a) A line drawn from Rudee Inlet Jetty Light 2 to Rudee Inlet Jetty Light 1.

(b) A line formed by the centerline of the highway bridge across Oregon Inlet.

§ 80.520 Cape Hatteras, NC to Cape Lookout, NC.

(a) A line drawn from Hatteras Inlet Lookout Tower at latitude 35°11.8' N 75°44.9' W 255° true to the eastern end of Ocracoke Island.

(b) A line drawn from the westernmost extremity of Ocracoke Island at latitude 35 °04.0' N. longitude 76°00.8' W. to the northeastern extremity of Portsmouth Island at latitude 35°03.7' N. longitude 76° 02.3' W.

(c) A line drawn across Drum Inlet parallel with the general trend of the highwater shoreline.

§ 80.525 Cape Lookout, NC to Cape Fear, NC.

(a) A line drawn from Cape Lookout Light to the seaward tangent of the southeastern end of Shackleford Banks.

(b) A line drawn from Morehead City Channel Range Front Light to the seaward extremity of the Beaufort Inlet west jetty.

(c) A line drawn from the southernmost extremity of Bogue Banks at latitude 34°38.7' N. longitude 77°06.0' W. across Bogue Inlet to the northernmost extremity of Bear Beach at latitude 34° 38.5' N. longitude 77°07.1' W.

(d) A line drawn from the tower charted in approximate position latitude 34°31.5' N. longitude 77° 208' W. to the seaward tangent of the shoreline on the northeast side of New River Inlet.

(e) A line drawn across New Topsail Inlet between the closest