The meridian 81° 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, the Pacific Ocean, South America, the Southern Ocean, and Antarctica to the South Pole.

Line across the Earth
81°
81st meridian west

The 81st meridian west forms a great circle with the 99th meridian east.

From Pole to Pole edit

Starting at the North Pole and heading south to the South Pole, the 81st meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 81°0′W / 90.000°N 81.000°W / 90.000; -81.000 (Arctic Ocean) Arctic Ocean
82°49′N 81°0′W / 82.817°N 81.000°W / 82.817; -81.000 (Canada)   Canada NunavutEllesmere Island
76°8′N 81°0′W / 76.133°N 81.000°W / 76.133; -81.000 (Jones Sound) Jones Sound
75°37′N 81°0′W / 75.617°N 81.000°W / 75.617; -81.000 (Canada)   Canada NunavutDevon Island
76°8′N 81°0′W / 76.133°N 81.000°W / 76.133; -81.000 (Lancaster Sound) Lancaster Sound
73°45′N 81°0′W / 73.750°N 81.000°W / 73.750; -81.000 (Navy Board Inlet) Navy Board Inlet Passing just west of Bylot Island, Nunavut,   Canada (at 73°36′N 80°53′W / 73.600°N 80.883°W / 73.600; -80.883 (Bylot Island))
73°13′N 81°0′W / 73.217°N 81.000°W / 73.217; -81.000 (Canada)   Canada NunavutBaffin Island
69°45′N 81°0′W / 69.750°N 81.000°W / 69.750; -81.000 (Foxe Basin) Foxe Basin Passing just east of the Melville Peninsula, Nunavut,   Canada (at 69°5′N 81°13′W / 69.083°N 81.217°W / 69.083; -81.217 (Melville Peninsula))
65°30′N 81°0′W / 65.500°N 81.000°W / 65.500; -81.000 (Foxe Channel) Foxe Channel
63°59′N 81°0′W / 63.983°N 81.000°W / 63.983; -81.000 (Canada)   Canada NunavutBell Peninsula, Southampton Island
63°26′N 81°0′W / 63.433°N 81.000°W / 63.433; -81.000 (Hudson Bay) Hudson Bay
54°50′N 81°0′W / 54.833°N 81.000°W / 54.833; -81.000 (James Bay) James Bay
56°7′N 81°0′W / 56.117°N 81.000°W / 56.117; -81.000 (Canada)   Canada NunavutAkimiski Island
52°44′N 81°0′W / 52.733°N 81.000°W / 52.733; -81.000 (James Bay) James Bay
52°1′N 81°0′W / 52.017°N 81.000°W / 52.017; -81.000 (Canada)   Canada Ontario — passing through Georgian Bay, Lake Huron
42°39′N 81°0′W / 42.650°N 81.000°W / 42.650; -81.000 (Lake Erie) Lake Erie
41°51′N 81°0′W / 41.850°N 81.000°W / 41.850; -81.000 (United States)   United States Ohio
West Virginia — from 39°34′N 81°0′W / 39.567°N 81.000°W / 39.567; -81.000 (West Virginia)
Virginia — from 37°18′N 81°0′W / 37.300°N 81.000°W / 37.300; -81.000 (Virginia)
North Carolina — from 36°33′N 81°0′W / 36.550°N 81.000°W / 36.550; -81.000 (North Carolina)
South Carolina — from 35°4′N 81°0′W / 35.067°N 81.000°W / 35.067; -81.000 (South Carolina), passing through Columbia (at 34°0′N 81°0′W / 34.000°N 81.000°W / 34.000; -81.000 (Columbia))
Georgia — from 32°5′N 81°0′W / 32.083°N 81.000°W / 32.083; -81.000 (Georgia)
31°51′N 81°0′W / 31.850°N 81.000°W / 31.850; -81.000 (Atlantic Ocean) Atlantic Ocean
29°12′N 81°0′W / 29.200°N 81.000°W / 29.200; -81.000 (United States)   United States Florida
25°7′N 81°0′W / 25.117°N 81.000°W / 25.117; -81.000 (Florida Bay) Florida Bay
24°44′N 81°0′W / 24.733°N 81.000°W / 24.733; -81.000 (United States)   United States FloridaKey Vaca
24°43′N 81°0′W / 24.717°N 81.000°W / 24.717; -81.000 (Atlantic Ocean) Atlantic Ocean Straits of Florida
23°6′N 81°0′W / 23.100°N 81.000°W / 23.100; -81.000 (Cuba)   Cuba
22°3′N 81°0′W / 22.050°N 81.000°W / 22.050; -81.000 (Caribbean Sea) Caribbean Sea Passing just east of the island of Grand Cayman,   Cayman Islands (at 19°20′N 81°5′W / 19.333°N 81.083°W / 19.333; -81.083 (Grand Cayman))
8°50′N 81°0′W / 8.833°N 81.000°W / 8.833; -81.000 (Panama)   Panama Near Santiago in Veraguas.
7°37′N 81°0′W / 7.617°N 81.000°W / 7.617; -81.000 (Pacific Ocean) Pacific Ocean
2°11′S 81°0′W / 2.183°S 81.000°W / -2.183; -81.000 (Ecuador)   Ecuador For about 1 km near the city of Salinas
2°12′S 81°0′W / 2.200°S 81.000°W / -2.200; -81.000 (Pacific Ocean) Pacific Ocean Gulf of Guayaquil
4°1′S 81°0′W / 4.017°S 81.000°W / -4.017; -81.000 (Peru)   Peru
5°23′S 81°0′W / 5.383°S 81.000°W / -5.383; -81.000 (Pacific Ocean) Pacific Ocean
5°50′S 81°0′W / 5.833°S 81.000°W / -5.833; -81.000 (Peru)   Peru
6°8′S 81°0′W / 6.133°S 81.000°W / -6.133; -81.000 (Pacific Ocean) Pacific Ocean Passing just west of Alejandro Selkirk Island,   Chile (at 33°44′S 80°47′W / 33.733°S 80.783°W / -33.733; -80.783 (Alejandro Selkirk Island))
60°0′S 81°0′W / 60.000°S 81.000°W / -60.000; -81.000 (Southern Ocean) Southern Ocean
73°16′S 81°0′W / 73.267°S 81.000°W / -73.267; -81.000 (Antarctica) Antarctica Territory claimed by   Chile

See also edit