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From the planet's highest tide to swirling whirlpools and waves...

With stories from Wales and around the world we'll take a look at this primeval influence which affects all of our lives. From the planet's highest tide to swirling whirlpools and waves, from the deck of an oil tanker to a Donegal beach, the variety is astounding.

The tide affects us all...

The tide affects us all but for most of us how the tide works is a complete mystery.