High Tide/Low Tide
Last week in Maine we went to Popham Beach one afternoon, arriving just as the tide was going out. I've never been in a place where the water receded so quickly and dramatically. When we got there, the beach was still fairly narrow, but when we waded into to water it was already pulling fiercely at our ankles.
First it looked like this:
And swiftly the sand bars were bared so it looked like this:
And then the beach was completely revealed, so you could walk right out to what had recently been a small island without even getting your feet wet:
The water there was very cold and clear.