I think a boat that can drain its cockpit well, can close up its companionway and keep from flooding below if said cockpit is pooped, has an emergency rudder, a good storm sail and a solid attachment point for a series drogue, should come as close to guaranteeing your safety as anything you might do on land, including driving your car.
You do have to stay attached to the boat and have the patience to wait it all out, but that's up to you.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.