Join Date: Dec 2004
Location: Portugal, West Coast
Thanked 112 Times in 95 Posts
Rep Power: 12
The definition of a Bluewater boat is a controversial one. It really depends on the risks you are prepared to take, the level of comfort (energy), the crew (number) of your boat, the level of seamanship etc.
For me, if it is a boat under 45ft, an AVS of at least 130 is a basic requirement.
See this site, I think they provide good advice: