Glossary of surfing
Open-knowledge reference entry

This glossary of surfing includes some of the extensive vocabulary used to describe various aspects of the sport of surfing as described in literature on the subject.[a][b] In some cases terms have spread to a wider cultural use. These terms were originally coined by people who were directly involved in the sport of surfing.
About the water
A-Frame: Wave with a peak that resembles an A and allows surfers to go either left or right, with both sides having a clean shoulder to work with.
Barrel: (also tube, cave, keg, green room) The effect when a big wave rolls over, enclosing a temporary horizontal tunnel of air with the surfer inside[c]
Beach break: An area with waves that are good enough to surf break just off a beach, or breaking on a sandbar farther out from the shore[c]
Big sea: Large, unbreaking surf
Blown out: When waves that would otherwise be good have been rendered too choppy by wind[c]
Bomb: An exceptionally large set wave[d]
Bottom: Refers to the ocean floor, or to the lowest part of the wave ridden by a surfer
Channel: A deep spot in the shoreline where waves generally don't break, can be created by a riptide pulling water back to the sea and used by surfers to paddle out to the waves
Chop or choppy: Waves that are subjected to cross winds, have a rough surface (chop) and do not break cleanly [d]
Close-out: A wave is said to be "closed-out" when it breaks at every position along the face at once, and therefore cannot be surfed
Crest: The top section of the wave, or peak, just before the wave begins to break
Curl: The actual portion of the wave that is falling or curling over when the wave is breaking
Face: The forward-facing surface of a breaking wave [c]
Flat: No waves[c]
Glassy: When the waves (and general surface of the water) are extremely smooth, not disturbed by wind [c]
Gnarly: Large, difficult, and dangerous (usually applied to waves) [c]
Green: The unbroken portion of the wave, sometimes referred to as the wave shoulder
Inshore: The direction towards the beach from the surf, can also be referring to the wind direction traveling from the ocean onto the shore
Line-up: The queue area where most of the waves are starting to break and where most surfers are positioned in order to catch a wave[a]
Mushy: A wave with very little push
Off the hook: An adjective phrase meaning the waves are performing extraordinarily well [c]
Offshore wind: Wind blowing from the land towards the ocean. This is considered the best wind for surfing because it grooms the waves, creating clean, smooth faces and longer-lasting rides. The wind holds up the wave face, allowing it to form better barrels, and makes for a "glassy" or "silky smooth" ocean surface.
Onshore wind: Wind blowing from the ocean toward the shore, which creates choppy, messy waves with crumbling lips and is generally considered poor surfing conditions.
Outside: Any point seaward of the normal breaking waves
Peak: The highest point on a wave
Pocket: The area of the wave that's closest to the curl or whitewash. Where you should surf if you want to generate the most speed. The steepest part of a wave, also known as the energy zone.
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