ok, here's the bottom hull half finished, quite literally. 
I ran into a fit problem on the hull to the keel:
(click on link below for enlarged pics)
I see from the build pics here that I ran into the same issue as you did,
the hull is coming up short based on the keel. I chose to shorten the keel,
and this will most likely force me to shorten up the poop deck or main deck later,
but I thought it was the best solution.
here's the build so far:
http://jleslie48.com/ww01/cs.html

I ran into a fit problem on the hull to the keel:

(click on link below for enlarged pics)
I see from the build pics here that I ran into the same issue as you did,
the hull is coming up short based on the keel. I chose to shorten the keel,
and this will most likely force me to shorten up the poop deck or main deck later,
but I thought it was the best solution.
here's the build so far:
http://jleslie48.com/ww01/cs.html