The meridian 80° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Atlantic Ocean, the Caribbean Sea, Panama, South America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.[1]

Line across the Earth
80°
80th meridian west

In Antarctica, the meridian defines the western limit of the British territorial claim and passes through the Chilean claim - the two claims overlap.

The 80th meridian west forms a great circle with the 100th meridian east.

From Pole to Pole

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Starting at the North Pole and heading south to the South Pole, the 80th meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 80°0′W / 90.000°N 80.000°W / 90.000; -80.000 (Arctic Ocean) Arctic Ocean
82°56′N 80°0′W / 82.933°N 80.000°W / 82.933; -80.000 (Canada)   Canada NunavutEllesmere Island
76°14′N 80°0′W / 76.233°N 80.000°W / 76.233; -80.000 (Jones Sound) Jones Sound Passing just west of Coburg Island, Nunavut,   Canada (at 75°52′N 79°45′W / 75.867°N 79.750°W / 75.867; -79.750 (Coburg Island))
75°33′N 80°0′W / 75.550°N 80.000°W / 75.550; -80.000 (Canada)   Canada NunavutDevon Island and Philpots Island
74°50′N 80°0′W / 74.833°N 80.000°W / 74.833; -80.000 (Baffin Bay) Baffin Bay
73°44′N 80°0′W / 73.733°N 80.000°W / 73.733; -80.000 (Canada)   Canada NunavutBylot Island
72°53′N 80°0′W / 72.883°N 80.000°W / 72.883; -80.000 (Eclipse Sound) Eclipse Sound
72°31′N 80°0′W / 72.517°N 80.000°W / 72.517; -80.000 (Canada)   Canada NunavutImiliit and Baffin Island
69°57′N 80°0′W / 69.950°N 80.000°W / 69.950; -80.000 (Murray Maxwell Bay) Murray Maxwell Bay
69°44′N 80°0′W / 69.733°N 80.000°W / 69.733; -80.000 (Canada)   Canada NunavutKapuiviit
69°30′N 80°0′W / 69.500°N 80.000°W / 69.500; -80.000 (Foxe Basin) Foxe Basin
65°30′N 80°0′W / 65.500°N 80.000°W / 65.500; -80.000 (Foxe Channel) Foxe Channel Passing just east of Southampton Island, Nunavut,   Canada (at 63°46′N 80°9′W / 63.767°N 80.150°W / 63.767; -80.150 (Southampton Island))
63°4′N 80°0′W / 63.067°N 80.000°W / 63.067; -80.000 (Hudson Bay) Hudson Bay
62°19′N 80°0′W / 62.317°N 80.000°W / 62.317; -80.000 (Canada)   Canada NunavutMansel Island
61°43′N 80°0′W / 61.717°N 80.000°W / 61.717; -80.000 (Hudson Bay) Hudson Bay
59°53′N 80°0′W / 59.883°N 80.000°W / 59.883; -80.000 (Canada)   Canada NunavutGilmour Island
59°48′N 80°0′W / 59.800°N 80.000°W / 59.800; -80.000 (Hudson Bay) Hudson Bay Passing just west of Split Island, Nunavut,   Canada
56°19′N 80°0′W / 56.317°N 80.000°W / 56.317; -80.000 (Canada)   Canada NunavutKugong Island and Flaherty Island
55°54′N 80°0′W / 55.900°N 80.000°W / 55.900; -80.000 (Hudson Bay) Hudson Bay
54°41′N 80°0′W / 54.683°N 80.000°W / 54.683; -80.000 (James Bay) James Bay
53°23′N 80°0′W / 53.383°N 80.000°W / 53.383; -80.000 (Canada)   Canada NunavutNorth Twin Island
53°14′N 80°0′W / 53.233°N 80.000°W / 53.233; -80.000 (James Bay) James Bay Passing just west of South Twin Island, Nunavut,   Canada (at 53°7′N 79°56′W / 53.117°N 79.933°W / 53.117; -79.933 (South Twin Island))
51°14′N 80°0′W / 51.233°N 80.000°W / 51.233; -80.000 (Canada)   Canada Ontario
42°48′N 80°0′W / 42.800°N 80.000°W / 42.800; -80.000 (Lake Erie) Lake Erie
42°10′N 80°0′W / 42.167°N 80.000°W / 42.167; -80.000 (United States)   United States Pennsylvania — passing through Pittsburgh (at 40°26′N 80°0′W / 40.433°N 80.000°W / 40.433; -80.000 (Pittsburgh))
West Virginia — from 39°43′N 80°0′W / 39.717°N 80.000°W / 39.717; -80.000 (West Virginia)
Virginia — from 38°0′N 80°0′W / 38.000°N 80.000°W / 38.000; -80.000 (Virginia)
North Carolina — from 36°32′N 80°0′W / 36.533°N 80.000°W / 36.533; -80.000 (North Carolina)
South Carolina — from 34°48′N 80°0′W / 34.800°N 80.000°W / 34.800; -80.000 (South Carolina), passing through Charleston (at 32°52′N 80°0′W / 32.867°N 80.000°W / 32.867; -80.000 (Charleston))
32°37′N 80°0′W / 32.617°N 80.000°W / 32.617; -80.000 (Atlantic Ocean) Atlantic Ocean Passing just east of Palm Beach, Florida,   United States (at 26°42′N 80°1′W / 26.700°N 80.017°W / 26.700; -80.017 (Palm Beach))
Passing through the Cay Sal Bank atoll,   Bahamas (at 24°4′N 80°0′W / 24.067°N 80.000°W / 24.067; -80.000 (Cay Sal Bank))
23°3′N 80°0′W / 23.050°N 80.000°W / 23.050; -80.000 (Cuba)   Cuba
21°44′N 80°0′W / 21.733°N 80.000°W / 21.733; -80.000 (Caribbean Sea) Caribbean Sea
19°43′N 80°0′W / 19.717°N 80.000°W / 19.717; -80.000 (Cayman Islands)   Cayman Islands Island of Little Cayman
19°42′N 80°0′W / 19.700°N 80.000°W / 19.700; -80.000 (Caribbean Sea) Caribbean Sea
9°20′N 80°0′W / 9.333°N 80.000°W / 9.333; -80.000 (Panama)   Panama
8°26′N 80°0′W / 8.433°N 80.000°W / 8.433; -80.000 (Gulf of Panama) Gulf of Panama
7°31′N 80°0′W / 7.517°N 80.000°W / 7.517; -80.000 (Panama)   Panama Passing through the tip of the Azuero Peninsula
7°28′N 80°0′W / 7.467°N 80.000°W / 7.467; -80.000 (Pacific Ocean) Pacific Ocean
0°49′N 80°0′W / 0.817°N 80.000°W / 0.817; -80.000 (Ecuador)   Ecuador The mainland, Puná Island, and the mainland again
4°22′S 80°0′W / 4.367°S 80.000°W / -4.367; -80.000 (Peru)   Peru Piura Region
Lambayeque Region — from 5°41′S 80°0′W / 5.683°S 80.000°W / -5.683; -80.000 (Lambayeque)
6°44′S 80°0′W / 6.733°S 80.000°W / -6.733; -80.000 (Pacific Ocean) Pacific Ocean Passing close between the Desventuradas Islands,   Chile (at 26°19′S 80°0′W / 26.317°S 80.000°W / -26.317; -80.000 (Desventuradas Islands))
Passing some distance between the Juan Fernández Islands,   Chile (at 33°40′S 80°0′W / 33.667°S 80.000°W / -33.667; -80.000 (Juan Fernández Islands))
60°0′S 80°0′W / 60.000°S 80.000°W / -60.000; -80.000 (Southern Ocean) Southern Ocean
73°2′S 80°0′W / 73.033°S 80.000°W / -73.033; -80.000 (Antarctica) Antarctica Defines the western limit of British Antarctic Territory, claimed by   United Kingdom
Passes through Antártica Chilena Province, claimed by   Chile

See also

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References

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  1. ^ Cross sections of temperature, pressure, and density near the 80th meridian west / by Orvel E. Smith, William M. McMurray, and Harold L. Crutcher. NASA technical note; NASA TN D-1641. National Aeronautics and Space Administration. 1963. hdl:2027/uiug.30112106874016. Retrieved 2022-07-07 – via HathiTrust.