The fastest current on Earth is the Gulf Stream, which flows in the Atlantic Ocean. The speed of the current can reach 2 meters per second, which is equivalent to 7.2 kilometers per hour. The Gulf Stream begins off the coast of Florida and continues along the east coast of North America, then crosses the Atlantic Ocean and reaches Europe. This current plays an important role in climatic processes, as it transfers heat from the tropics to the north and affects the weather in a number of countr...