Pearson 323 - suitable bluewater cruiser??
If you want to see what would make a Bluewater Cruser. Here you can find a template that will give you some numbers. You might even want to download the data base and see if he has done the math on the boat you have. http://www.johnsboatstuff.com/default.htm
He has data based over 1600 boats. Check it out you might like it.