This is the north shore of Long Island, winter. It was a warm afternoon until the fog rolled in...it came fast and everything disappeared!
We took a few photos, most of which looked like nothing but a gray wall. Then, just as quickly, the fog lifted and was gone.
This is the harbor by Cedar Beach.
(If you're not familiar with the Google Map, you can click around the page, zoom in and out...see where Mt. Sinai is on Long Island.)