Looking south along the five mile stretch of beach from Cliff House
The rapid rip currents and cold water make the ocean dangerous for casual swimmers and even those who simply want to set foot in it, and swimmers have been swept away and drowned. Nevertheless, the beach is one of the Bay Area's top surfing spots.
Sanderlings move quickly, running ahead of incoming waves and chasing after receding ones, probing for small sand crabs, which lie buried and are easiest to spot just after a wave retreats.
Sea foam is a type of foam created by the agitation of seawater, particularly when it contains higher concentrations of dissolved organic matter derived from sources such as the offshore breakdown of algae blooms.