Pacific ocean January/February/March

I hope I am not flamed for asking this question. I know you cannot predict the "roughness" of the ocean. But, I am wondering if anyone who has done the circle Hawaii trip can give any info on the probability of a cruise from San Diego being smoother (since it is begins further south) than a cruise from Vancouver (which begins further north).

Thanks.

Your exact same question just a couple of threads down the board:

http://boards.cruisecritic.com/showthread.php?t=2512331

Sorry. I couldn't find it and thought I forgot to post it (I've done that a few times.)