18°

18th parallel south

The 18th parallel south is a circle of latitude that is 18 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America.

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 18° south passes through:

Co-ordinates	Country, territory or ocean	Notes
18°0′S 0°0′E / 18.000°S 0.000°E / -18.000; 0.000 (Prime Meridian)	Atlantic Ocean
18°0′S 11°49′E / 18.000°S 11.817°E / -18.000; 11.817 (Namibia)	Namibia
18°0′S 20°41′E / 18.000°S 20.683°E / -18.000; 20.683 (Angola)	Angola
18°0′S 20°53′E / 18.000°S 20.883°E / -18.000; 20.883 (Namibia)	Namibia	Caprivi Strip
18°0′S 21°22′E / 18.000°S 21.367°E / -18.000; 21.367 (Angola)	Angola
18°0′S 21°34′E / 18.000°S 21.567°E / -18.000; 21.567 (Namibia)	Namibia	Caprivi Strip
18°0′S 24°18′E / 18.000°S 24.300°E / -18.000; 24.300 (Botswana)	Botswana
18°0′S 24°28′E / 18.000°S 24.467°E / -18.000; 24.467 (Namibia)	Namibia	Caprivi Strip
18°0′S 24°37′E / 18.000°S 24.617°E / -18.000; 24.617 (Botswana)	Botswana
18°0′S 25°16′E / 18.000°S 25.267°E / -18.000; 25.267 (Zimbabwe)	Zimbabwe
18°0′S 25°57′E / 18.000°S 25.950°E / -18.000; 25.950 (Zambia)	Zambia	For about 3 km
18°0′S 25°59′E / 18.000°S 25.983°E / -18.000; 25.983 (Zimbabwe)	Zimbabwe
18°0′S 26°34′E / 18.000°S 26.567°E / -18.000; 26.567 (Zambia)	Zambia
18°0′S 26°49′E / 18.000°S 26.817°E / -18.000; 26.817 (Zimbabwe)	Zimbabwe	Passing just south of Harare
18°0′S 32°57′E / 18.000°S 32.950°E / -18.000; 32.950 (Mozambique)	Mozambique
18°0′S 37°0′E / 18.000°S 37.000°E / -18.000; 37.000 (Indian Ocean)	Indian Ocean	Mozambique Channel
18°0′S 44°1′E / 18.000°S 44.017°E / -18.000; 44.017 (Madagascar)	Madagascar
18°0′S 49°25′E / 18.000°S 49.417°E / -18.000; 49.417 (Indian Ocean)	Indian Ocean
18°0′S 122°11′E / 18.000°S 122.183°E / -18.000; 122.183 (Australia)	Australia	Western Australia
18°0′S 122°12′E / 18.000°S 122.200°E / -18.000; 122.200 (Indian Ocean)	Indian Ocean	Roebuck Bay - passing just south of Broome, Western Australia
18°0′S 122°22′E / 18.000°S 122.367°E / -18.000; 122.367 (Australia)	Australia	Western Australia Northern Territory Queensland
18°0′S 146°4′E / 18.000°S 146.067°E / -18.000; 146.067 (Coral Sea)	Pacific Ocean	Passing through  Australia's Coral Sea Islands Territory Passing just south of Efate island,  Vanuatu
18°0′S 168°42′E / 18.000°S 168.700°E / -18.000; 168.700 (Pacific Ocean)	Pacific Ocean
18°0′S 177°16′E / 18.000°S 177.267°E / -18.000; 177.267 (Fiji)	Fiji	Island of Viti Levu
18°0′S 178°38′E / 18.000°S 178.633°E / -18.000; 178.633 (Pacific Ocean)	Pacific Ocean	Koro Sea
18°0′S 179°14′E / 18.000°S 179.233°E / -18.000; 179.233 (Fiji)	Fiji	Island of Gau
18°0′S 179°21′E / 18.000°S 179.350°E / -18.000; 179.350 (Pacific Ocean)	Pacific Ocean	Koro Sea
18°0′S 179°3′W / 18.000°S 179.050°W / -18.000; -179.050 (Fiji)	Fiji	Island of Nayau
18°0′S 179°2′W / 18.000°S 179.033°W / -18.000; -179.033 (Pacific Ocean)	Pacific Ocean	Passing just north of Fonualei,  Tonga Passing just north of Palmerston Island,  Cook Islands Passing just south of the islands of Tahiti, Mehetia and Reitoru,  French Polynesia
18°0′S 142°18′W / 18.000°S 142.300°W / -18.000; -142.300 (French Polynesia)	French Polynesia	Marokau atoll
18°0′S 142°11′W / 18.000°S 142.183°W / -18.000; -142.183 (Pacific Ocean)	Pacific Ocean	Passing between the atolls of Hao and Amanu,  French Polynesia
18°0′S 70°53′W / 18.000°S 70.883°W / -18.000; -70.883 (Peru)	Peru
18°0′S 69°45′W / 18.000°S 69.750°W / -18.000; -69.750 (Chile)	Chile
18°0′S 69°9′W / 18.000°S 69.150°W / -18.000; -69.150 (Bolivia)	Bolivia
18°0′S 57°38′W / 18.000°S 57.633°W / -18.000; -57.633 (Brazil)	Brazil	Mato Grosso do Sul Mato Grosso - for about 11 km Mato Grosso do Sul - for about 9 km Mato Grosso - for about 16 km Mato Grosso do Sul - for about 22 km Mato Grosso - for about 18 km Goiás Minas Gerais Espírito Santo Bahia
18°0′S 39°29′W / 18.000°S 39.483°W / -18.000; -39.483 (Atlantic Ocean)	Atlantic Ocean