Man dies at Escape from Alcatraz swim

True enough, but you at least have to try to compare apples to apples -- same start, same finish. same start, same finish in that corridor could be completely different within a 10 minute period. Remember currents and tide predictions are only that... predictions. It is not an absolute science as there are too many variables.

True enough, but you at least have to try to compare apples to apples -- same start, same finish. same start, same finish in that corridor could be completely different within a 10 minute period. Remember currents and tide predictions are only that... predictions. It is not an absolute science as there are too many variables.