Pipeline

Pipeline, also known as Banzai Pipeline, breaks at ʻEhukai Beach Park on Oʻahu's North Shore. Its reputation comes from large winter surf meeting a shallow reef, producing the hollow waves associated with the beach's major surfing contests. The contrast between seasons is substantial: Hawaiʻi's tourism authority describes winter as the period of powerful surf and summer as generally calmer.

Pipeline is one named break within the wider ʻEhukai shoreline. University of Hawaiʻi coastal research describes that coast's exposure to North Pacific winter swells and year-round easterly trade-wind waves. This broader setting helps explain the winter emphasis, while the wave at any given time depends on the incoming swell and local conditions.