He used it a lot, it seems. That book is a must read for you before you go. I realize you won't be going as far south, but there is a ton of common sense knowledge in that book. Also check out the Barefoot Navigator, and the recommended reading thread. I have purchased most of the books highly recommended and they are a great resource.
Great men always have too much sail up. - Christopher Buckley
Vaya con Dios