I noticed the same thing on my first batch and it was a dark Scottish Ale. When I tested it after about a week and a half, I was kind of disappointed because it tasted watery and kind of "sharp" or "punctuated" (for lack of a better term). However, after another couple weeks in the fermenter, it was less watery. Now, after bottling, carbing and conditioning for 4 weeks, it's right tasty. Not watery at all and the flavors have really combined and mellowed quite well.