Robinson Crusoe by Daniel Defoe Chapter 11 Page 7

five or six days. I travelled first along the sea-shore, directly to the place where I first brought my boat to an anchor to get upon the rocks; and having no boat now to take care of, I went over the land a nearer way to the same height that I was upon before, when, looking forward to the points of the rocks which lay out, and which I was obliged to double with my boat, as is said above, I was surprised to see the sea all smooth and quiet - no rippling, no motion, no current, any more there than in other places.

I was at a strange loss to understand this, and resolved to spend some time in the observing it, to see if nothing from the sets of the tide had occasioned it; but I was presently convinced how it was - viz. that the tide of ebb setting from the west, and joining with the current of waters from some great river