two o'clock
`` You may depend on it , Mr Smellie , the rascals have got wind of our presence in the river , and intend trying to slip out past us to-night as soon as the fog settles down . I 'll be bound they know every inch of the river , and could find their way out blindfold ? '' `` No doubt of it , sir , '' answered the second luff . `` But it is not high - water until two o'clock to-morrow morning , so that I suspect they will not endeavour to make a move until about an hour after midnight . That will enable them to go out on the top of the flood , and with a strong land-breeze in their favour . '' `` So much the better , '' returned Captain Vernon , with sparkling eyes . `` But we will take care to have the boats in the creek in good time .