houle

Houle refers to a type of wave, specifically a swell or undulation of water. The term is most commonly used in maritime contexts, particularly in French, to describe the motion of the sea. It denotes a continuous series of waves that are not directly caused by local wind but rather by distant weather systems or past disturbances. These waves tend to be long and regular, propagating across the ocean surface.

In meteorology and oceanography, houle describes the swell component of the sea state. It is distinct from the wind sea, which is characterized by shorter, choppier waves generated by current winds. Houle can travel for thousands of kilometers, retaining its energy and direction. Observing the houle can provide information about the origin and intensity of the weather event that generated it. For example, a strong and consistent houle arriving from a particular direction often indicates a significant storm in that area.

The study of houle is important for maritime navigation, coastal engineering, and marine biology. For sailors, understanding the houle helps in planning routes and managing the vessel's motion. Coastal engineers consider houle patterns when designing structures like breakwaters and harbors to mitigate erosion and damage. Marine life can also be influenced by houle, affecting migration patterns and the distribution of organisms. The characteristic rolling motion of a houle is a familiar sight and feeling for anyone who has experienced open ocean travel.