Jan McCormick spotted a Wandering Tattler wading through the surf.
Their breeding grounds are far to our north, in the mountains of Alaska and north-western Canada. They over winter on the west coast of California, Baja and all the way down to South America.
They come by their name "Tattler" because they give a warning call when disturbed, warning other birds too. To hear their calls, here is a link to the Cornell Lab of Ornithology: http://www.allaboutbirds.org/guide/Wandering_Tattler/sounds
Thanks to Jan for allowing me to share her photo with you here.