38Talk:

I have not run across specific mention in the logbooks, but when you look at the routes there was definately an understanding of prevailing winds and currents.

However, there is significant Maury charts and information at the mystic seaport research site engine, and I am sure you are aware of the Navy site which has a significant bibliography.  In case not, here it is - http://www.history.navy.mil/library/online/maury_mat_bene.htm