You miss my point. Unwise and foolhardy, sure. Deadly? That's a bit of a stretch. If you said "can be deadly" I'd buy it. Sure, along the same lines parachuting out of a plane is deadly... there no room for error. My point is vessels of that size are designed to handle that type of storm. They don't want to be caught in them, and a wise captain would steer clear of them, but when they do they tend to survive.