Chapter 53, Why do they wait untill 9 a.m.?

They were waiting for the tide to turn so they could safely leave.

In good time they too started up strong and well, and we admitted the sharp morning air at the windows, and looked at the tide that was still flowing towards us.

"When it turns at nine o'clock," said Herbert, cheerfully, "look out for us, and stand ready, you over there at Mill Pond Bank!"