Best are west facing beaches. Try this site:
http://www.wetsand.com/swellwatch/swellwatch.asp?locationid=2&tabid=1441&subtabid=0&CatId=295&SubCatID=295
http://www.wetsand.com/swellwatch/swellwatch.asp?locationid=2&tabid=1441&subtabid=0&CatId=295&SubCatID=295