How does a longshore current run to the shore?

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A current that runs parallel to the shoreline is called a rip tide or rip current.

Longshore current is the movement of water nearest the coast. Usually caused by tides.Longshore drift is the movement of beach or coastal material, by longshore drift. The action of waves loosen the...

Longshore current, sometimes called longshore drift, is an ocean current that flows parallel to and close to the shore. A link is provided to the Wikipedia article.

A rip current is when a tide cannot escape directly, maybe because it is trapped in front of a reef, sandbank or something. When the water finds an exit point, it all rushes out at top speed,...