The picture below shows a typical swell pattern for the New Plymouth Coastline. The Islands and complex offshore reefs focus the waves onto the various breaks along foreshore, such as Belt Road, Bog Works, Fitzroy main break and Waiwakaiho. Wave focusing actively defines the surf locations along this coast.

The image of wave refraction illustrates the spatial scale used in some of the modeling by MetOcean Solutions and released by Swellmap.com