http://bugs.winehq.org/show_bug.cgi?id=30979
--- Comment #9 from Jeff Cook jeff@deserettechnology.com 2012-07-06 20:48:39 CDT --- Yes, as Richard said, it sounds like we won't know if this is a WINE bug until someone can confirm that the game performs as expected in Windows but fails in WINE.
I can also confirm that disabling depthOfField in SkyrimPrefs.ini makes my water clear. I think this is an acceptable short-term workaround and should probably be added to the AppDB FAQ.