arrowskier
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Some of this may be impractical in real world settings. Often the itinerary for the day is flexible, based on conditions, perhaps where other boats are going, etc... So to be reliably familiar with site conditions, you'd have to memorize typical conditions for maybe 10 (give or take) dive sites, somehow keep them straight from each other, or take some sort of guide book & quickly read up on sites right after destinations were announced. Even then, you'd have some idea of 'typical' conditions.
There are a number of ways divers try to restrict their diving to conditions within their capabilities. Going on trips that don't specifically cater to the advanced diver, that do a high volume of mainstream (i.e.: includes some beginners, very occasional vacation divers, etc...) divers, and with a seasoned captain in destinations often associated with fairly 'easy' diving are some ways people do this. Then they listen to the dive site briefing upon arrival, and can decide whether to dive then.
Not a failsafe method. But no method is.
My point is, there will be tragedies on (hopefully rare) occasion (that we hope to see minimized within reason). And you can react by 'going OCD' on studying site conditions. But don't guilt trip yourself because you didn't meet some impractical standard.
I don't think the typical Key Largo diver will be studying tide information to predict current behavior.
Richard.
Thanks for your comments. I know there's no way to be exact on conditions. But I definitely want to be more careful. I think having a current line in the water could have helped. I know on other ocean dives, the captain briefed everyone to enter the water and grab the line...and then follow it to the downline to the wreck. Also, I just had my light and a lightstick on me...I think I will invest in an audible signalling device as well. And like tridacna above, I am going to do some pooltime to determine optimum configuration for floating at surface.
Steve_C, I had to ditch both entire pockets of integrated weights because the velcro pockets take two hands to open, and I had one of my arms supporting Steve. There wasn't any easy way to open them and pour the weights out.