These certainly muddy the waters although I'm not sure how relevant they might be to the question of taking an old ship out with that weather forecast. If she had been a brand new steel sailing vessel, I would feel almost exactly the same way about the decision to sail.
Schooner High and Dry for Repairs
HMS BOUNTY: How Sound Was She?
You should also read this from someone I know personally and consider one of the most knowledgeable people about boat systems I have ever met.