I think waves are measured as 1/2 above sea level & 1/2 below, so a 50-ft wave would appear 25 ft tall. Still a monster, but not *quite* as scary...
Edit: just remembered, it's the difference between the maximum height and the max depth of the trough that follows.
[ 09-15-2004, 09:15 PM: Message edited by: VulcanRider ]
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