While cold ocean currents originate at the poles or higher latitudes and flow towards the tropics or lower latitudes, warm currents start near the equator and move in the opposite direction.
Waves, fluctuations in water mass density brought on by variations in temperature and salinity, gravity, and natural occurrences like earthquakes or storms can all contribute to ocean currents. Tides are oceanic streams of seawater that are cohesive.
Since the equator of the Earth is warmed by the sun's strongest rays, the air there is cooler than air farther north or south. This is where warm ocean currents begin. This warmer air rises near the equator, where winds start to blow and the water is pushed into waves and tides by the incoming cooler air.
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