This unfinished page contains text from either the 2003 or 2005 print version of Encyclopedia of Surfing. An updated version, with more photos, is coming soon.

The rhythmical rise and fall of the ocean's water levels, caused by the gravitational pull of the moon and sun; tide is one of the three main factors, along with oceangoing swell and nearshore wind, that determine surfing conditions at a given spot. The moon's gravitational pull creates a slight elliptical bulge in the ocean, directly in line with its position over the earth, with an offsetting bu...

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