When stormy seas and stronge surges are driven hard by forceful onshore winds, the surf is whipped into foam that flies from the wave crests; and waves crashing on the beach spread the foam onto the shore. The constant wind last October pushed a thin layer of white froth in ever-moving, ever-changing, transient scalloped patterns for hundreds of metres across the vast wet acres of Rhossil sand – until at last the iridescent bubbles of froth piled up in heaps on the higher parts of the seashore. At Spaniard Rocks there was dramatic textural contrast between the delicate and ephemeral sea foam and the hard smooth enduring limestone rocks which the foam decorated.
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