falling tide

Thus the funnel descending with the falling tide would have four feet of room to spare, and would clear itself easily.

Under these pleasant circumstances we went to bed, in hopes that the falling tide might swing us clear before morning.

Where the hard rock has been worn down into hollows, the falling tide leaves a pool of still, clear water.

Besides, the ridge is the critical point when you're crossing on a falling tide, and you want to know when you're past it.'

Luckily the wind remained steady, and brought their craft on at a fair pace against a falling tide.