I've got conflicting reports on this. Some sites say tipping it down and gusting force six, but BBC say 6mph and sunny ::)
I found a useful site which gives you up to date weather on Abersoch; not much of a forecast though.
http://www.westcoastsurf.co.uk/weather/Current_Vantage_Pro.htm
ive just come back from the laser nationals and then dinghy week there and both had no shortage of winds so i shouldnt worry if i was u it was beutiful conditions with nothing less than a force four for two weeks BE--U---TI---FUL