Longshore current

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Definition of Longshore current / Nearshore current:
The longshore current is the dominating current in the nearshore zone, it is running parallel to the shore. The longshore current is generated by the shore-parallel component of the stresses associated with the breaking process for obliquely incoming waves, the so-called radiation stresses, and by the surplus water which is carried across the breaker zone towards the shoreline[1].
This is the common definition for Longshore current / Nearshore current, other definitions can be discussed in the article

See also

Shallow-water wave theory

For more coastal definitions and a sketch, see also Definitions of coastal terms.


  1. Mangor, Karsten. 2004. “Shoreline Management Guidelines”. DHI Water and Environment, 294pp.