Indian North Agulhas Current

The northern Agulhas waters belong to the western Indian Ocean's long history of contact between eastern Africa and Asian ports. Regional trade carried religious ideas and new practices as well as goods. Arabic-speaking merchants and missionaries helped spread Islam along the western shores from the early medieval centuries, while exchange introduced Arabic writing and rice cultivation into parts of eastern Africa.

That commercial world also included slavery, long before the arrival of European trading companies. After 1500, Portuguese expeditions attacked coastal cities and established their own imperial network. The formation of the Estado da Índia in the early sixteenth century was accompanied by a European role in the existing traffic in enslaved people. Mozambique became one of the African origins for those movements.

These developments concerned a wide oceanic region, not a separately documented history of one current segment. They show why the waters off southeastern Africa should be placed within changing coastal societies and long-distance commerce, rather than treated as an empty interval between ports. The later current label identifies a sea area whose historical connections extended far beyond its boundaries.