I'm going to be diving off the coast of North Carolina this July. The water temps should be around 75 and my plans are to go with a 5/4 with a 5/3 bibbed hood.
3/2 or 5/4 wetsuit for 75 degree water
- Thread starter dvleemin
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Scuba Jerm
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buy the 5/4mm for sure. I went diving in Hawaii in December, the water was about 77 to 78. I wore a 4/3 and got a little chilly on the 2 tank dives. My brother had on his 5/4 and normally gets cold just as fast as I do, and he said he was nice and warm. I was jealous. A 5/4 is a good all around suit for moderate water temps. And since you have a 3mm shorty and a drysuit, the 5/4 will fill the gap perfectly.
It's very individual, I think.
I have dived in 75 degree water in both a 5 mil suit and a 3 mil with and without a 2 mil hooded vest, and multiple dives per day in all three arrangements. I was warm enough in all.
I would think your decision would be based in part on where else you might go -- if you would be more likely to go to places with warmer water, buy the 3 mil and perhaps a hooded vest because you will use them more. If not, buy the 5 mil and be pretty sure you will be quite comfortable.
I have dived in 75 degree water in both a 5 mil suit and a 3 mil with and without a 2 mil hooded vest, and multiple dives per day in all three arrangements. I was warm enough in all.
I would think your decision would be based in part on where else you might go -- if you would be more likely to go to places with warmer water, buy the 3 mil and perhaps a hooded vest because you will use them more. If not, buy the 5 mil and be pretty sure you will be quite comfortable.
teknitroxdiver
Contributor
I have the 5/4 and find it to be perfect for that temp.
I have the 5/4 Bare, and really like it. It might seem like too much at first, but I'll bet you will be glad to have it on repetitive dives.
OP
dvleemin
Contributor
Thanks Guys,
We'll get the 5/4. I just much prefer diving with as little on as possible. We actually thought about bringing our dry suits, as they are shells . . . .
When I think about it, even when we in bonaire, and the water was in the 80's, after 14 days of diving 3-4 days in a row with only one day off between we were starting to get cold on every dive with a 3 mil shorty. Almost like my body core couldn't keep its temperature up . . .
Darryl
We'll get the 5/4. I just much prefer diving with as little on as possible. We actually thought about bringing our dry suits, as they are shells . . . .
When I think about it, even when we in bonaire, and the water was in the 80's, after 14 days of diving 3-4 days in a row with only one day off between we were starting to get cold on every dive with a 3 mil shorty. Almost like my body core couldn't keep its temperature up . . .
Darryl
Scuba Brad
Guest
When we dove in Fiji the water was 85 and the locals were all wearing 5mm..........we dove with skin suits and were just fine. In Hawaii over Christmas it was 75 and all the locals were wearing 5 mm or more............everyone else 3/2. I just think the locals get used to the warm water and as soon as it dips below 75 its all of a sudden cold.
Happy Diving
Happy Diving
Scuba Brad
Guest
I might add.............we are selling a ton of 3/2's right now and not many 5's or 7's.
Happy Diving
Happy Diving
Or you could just use that drysuit you already have and adjust the undergarmets. I dive dry year round and just wear shorts under it when the water is warm. 
Chad
Chad
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