This was recorded on a calm and sunny winter afternoon on the beach below Smith Gulch on the Lost Coast in the King Range National Conservation Area, Humboldt County, California.
The tide was going out, so I set the mic up near the water in the intertidal zone at the border between an area of rocks and tide pools and a sandy stretch of beach. The sand was very coarse, almost tiny pebbles, and it made a pleasant sound as the waves washed up and down the beach. At the start of the recording the waves lapped at the shore only a few feet from the mic, but the tide receded quickly and by the end of this recording it was nearly twenty feet away.
