Warm currents originate from warm regions, whereas cold currents flow from either high latitudes or originate from cold water which replaces the surface water blown westerly by the trade winds.
Imisinga eshushu isuka kwimimandla eshushu njengokuba imisinga ebandayo isuka nokuba kwisibanzi esiphezulu okanye isuka kumanzi abandayo athatha indawo yamanzi omphandle obhudlela ngasentshona.