The 55th parallel south is a circle of latitude that is 55 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, the Indian Ocean, the Pacific Ocean and South America.

55°

55th parallel south

This article relies largely or entirely on a single source. (August 2022)

At this latitude the sun is visible for 17 hours, 22 minutes during the December solstice and 7 hours, 10 minutes during the June solstice.^[1]

The longest continuous east–west distance at sea is along this latitude, at 55°59'S. (see Extremes on Earth § Along constant latitude)

Starting at the Prime Meridian and heading eastwards, the parallel 55° south passes through:

More information Co-ordinates, Country, territory or ocean ...

Co-ordinates	Country, territory or ocean	Notes
55°0′S 0°0′E	Atlantic Ocean	Passing south of Bouvet Island,  Norway
55°0′S 20°0′E	Indian Ocean
55°0′S 147°0′E	Pacific Ocean	Passing just south of Macquarie Island,  Australia Passing just north of Bishop and Clerk Islets,  Australia
55°0′S 71°14′W	Chile	Islands of Gilbert, Londonderry, London, Thompson, Gordon, Hoste, Navarino and Picton, Magallanes Region
55°0′S 67°0′W	Pacific Ocean	Beagle Channel
55°0′S 66°42′W	Argentina	Isla Grande de Tierra del Fuego, Tierra del Fuego Province
55°0′S 66°23′W	Atlantic Ocean	Passing just south of Isla de los Estados,  Argentina Passing just south of the island of South Georgia,  South Georgia and the South Sandwich Islands (claimed by  Argentina)

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