The meridian 143° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 143rd meridian west line forms a great circle with the 37th meridian east.
From Pole to Pole
editStarting at the North Pole and heading south to the South Pole, the 143rd meridian west passes through:
Co-ordinates Country, territory or sea Notes 90°0′N 143°0′W / 90.000°N 143.000°W Arctic Ocean 73°22′N 143°0′W / 73.367°N 143.000°W Beaufort Sea 70°5′N 143°0′W / 70.083°N 143.000°W United States Alaska 60°5′N 143°0′W / 60.083°N 143.000°W Pacific Ocean Passing just east of Taenga atoll, French Polynesia (at 16°24′S 143°1′W / 16.400°S 143.017°W)
Passing just west of Nihiru atoll, French Polynesia (at 16°43′S 142°53′W / 16.717°S 142.883°W)
Passing just east of Marutea Nord atoll, French Polynesia (at 17°0′S 143°3′W / 17.000°S 143.050°W)
Passing just east of Reitoru atoll, French Polynesia (at 17°51′S 143°3′W / 17.850°S 143.050°W)
Passing just east of Nukutepipi atoll, French Polynesia (at 20°42′S 143°4′W / 20.700°S 143.067°W)60°0′S 143°0′W / 60.000°S 143.000°W Southern Ocean 75°31′S 143°0′W / 75.517°S 143.000°W Antarctica Unclaimed territory