dead low tide

It was now dead low tide, and the last sounding had given fifteen feet.

There was, indeed, a great fall in the spiritual tide; but it was not such a dead-low tide as Mr. Gosse would make it.

There are inscriptions on our hearts never seen except at dead low-tide.

There are inscriptions on our hearts, which, like that on Dighton Rock, are never to be seen except at dead-low tide.

It's dead low tide and he'll have to make a big bend to get out.