For all of you brave souls who keep claiming that any water above 40 degree is "warm," let me tell you that I'm freezing my tushie off here in the Florida caves. The water is about 68 degrees, and I'm wearing 14 mm of rubber. I end up literally shaking at the end of the second dive. I don't care what anybody says about water temperatures and diver expertise--despite the supposed drawback of being tropically trained, I'm having zero (really zero) trouble with trim, buoyancy, propulsion, and even brand new gear that I'm getting used to in a brand-new environment learning brand-new skills. The thing that's killing me is this COLD WATER.[/QUOTE
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I am sure it has a lot to do with where you are from. People from warm or hot climates have a much harder time adjusting to the cold much like people from colder climates have a tough time adjusting to the heat. I have been quite comfortable diving in Cozumel in a t-shirt and shorts while divers from places like Arizona have been cold in 5mm wetsuits with a hooded vest. I am off to Newfoundland on Saturday which is probably my favourite place to dive and I am hoping it is in the balmy 40's and not the low 30's that I have experienced before.