I honestly have nothing for you. I'm sorry. I'm pretty confused even.
I bet if you post this on: www.beginnertriathlete.com, you will get a good response... as there are some tenured triathletes on there... who have probably been in this situation before. I know I have only done lake swims.
Sorry I couldn't help!
But... GOOD LUCK!!!!
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather, to skid in broadside thoroughly used-up, totally worn out, and loudly proclaiming: WOW WHAT A RIDE!!!!"