With 30k gusts, the thought of having to change direction would make me nervous too. Not so much from a skill standpoint but because there is very limited ability to respond to those kind of gusts and shifts when the boat is not moving forward in the water. Throw in some big waves and moving backwards just to get through a tack turns into a riskier maneuver than dealing with the exta power from the jib. IMHO you're pretty vulnerable when trying to back into a tack when it's nukin'.