Environmental Graffiti

Surfing the Longest Wave in the World

Every night and every day for just three days between February and March monsoon rains and a full moon cause a high tide at the mouth of the Amazon river where it meets the Atlantic to produce the longest wave on Earth. The dramatic change in tide forces the tide’s power upstream and as the river narrows and shallows a funnel effect is created causing the wave to gather momentum and speed. A thunderous wave then forms called the Pororoca.

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