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David Giddy writes: >I am interested in techniques for doing deco stops in open ocean. What do >people do if you need to decompress in open ocean when there is a 1 m (3 foot) >swell running ? Congratulate yourself on finding such excellent conditions? (Seriously!) > I would guess that a solution might be to do the stops deeper (say 5m) and > make them slightly longer, but really you should use specially calculated > tables for this. Or use a computer. Typically, I do at 15-25', depending on conditions and the presence/absence of a downline. I make sure I don't rise above 10-15', and just count my deco time at the average depth (15-20'). > I have not done any planned deco diving, but nearly always do a safety stop > at 5 m. Holding even a 5 m safety stop in a reasonable swell (possibly > with a current as well) is quite difficult. I find it much easier with a taut anchor line (such as is the case on days with big current.) I'm very concerned about losing the boat during decompression in Monterey; some folks I dive with started using transit lines (long auxiliary anchor line + jump reels) to make damned sure we don't lose the boat in poor vis & silty bottoms. Doing a long hang in a busy bay in deep cold water gear (drysuit, doubles, pony) drifting away from shore and your boat is not my idea of a good time. Cheers, Dave Story NAUI AI Z9588, PADI DM 43922, EMT story@be*.wp*.sg*.co* Better diving through drugs.
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