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View Full Version : What Mil. to use in different water temps



catfish
08-29-2007, 09:28
New diver here. I suppose this somewhat depends on each person, but here is my question. What thickness of wetsuit do You use for different temps of water.

No Misses
08-29-2007, 09:36
Well catfish, without knowing where you will be diving, I'll tellyou what I use in FL.

If it is a shallow reef dive in 80+ deg water. I use a 3m vest as padding under my bp/w

If it is a dive over 80 fsw, with water temps in the mid 80's on the surface; I use a 3/2 full suit. This is not too much at shallow depths and as I drop through the thermocline the 3/2 is usually enough to combat the cooler temps.

If it is a winter dive with surface temps in the low 70's and sub thermocline temps in the 60's; I opt for the 3m farmer john (2 piece with overlap on the core = 6m covering chest and back). I also where a 3m beenie to keep my noggin warm :-)

finflippers
08-29-2007, 09:43
Try this site.
http://www.wetwear.com/howthick.htm

subsur
08-29-2007, 09:52
temperature sensitivity is a very subjective matter. i get cold in my 7mm one piece + 3 mm vest in 50 F water and my buddy is more or less ok in his 5 mm suit. depends on your body fat, your mood, your diving skills etc etc. some people use 7 mm in Bonaire and some dive in T-shirts, that's as big range as it gets - and where you fit into it - only experience will tell.

scubasamurai
08-29-2007, 18:00
have to agree with that depends on you most of the time i dive with a 3 ml shorty , but last week i dove in 75 spring water and used a 5ml for comfort and i still cramped after the third dive.

willardj
08-29-2007, 18:07
I wear a 3mm from about 75* and up water and I have a 7mm that I wear from there down.. I have in the past wore the 3mm in the springs at 72, but that was in the mid of the summer. Air temp makes a difference.

Zenagirl
08-30-2007, 08:04
We only do repetitive diving (2-5 tanks daily for a week or two straight depending on the trip), so there's more concern about keeping core temperatures from not going down too fast.

That said, if the water is 81+ degrees, I wear a 3mm full suit. Between 76-80 degrees, I wear a 5mm full suit. Between 72-75 degrees, I add a 3mm vest under it. Under 72 degrees I don't dive. ;) If the water is 85+ degrees, some dives I'll ditch the wetsuit completely.

My husband layers a 3mm vest under his 3mm full suit for diving in the 72-78 degree range. 78-84 degrees it's a 3mm full. 85+ degrees and he's like me, the wetsuit is optional. :D

BSea
08-30-2007, 08:23
Here's basically what I wear.

Above 80 - Shortie, or rash guard & bathing suit.

75 to 80 - Thermal fleece (2mm aprox). If I'm making repetative dives, I'll add a shortie.

60 to 75 - 5-4-3 1 piece. I'll add the shortie too, and sometimes a rash guard. And a hood & gloves. I have been in water below 50 in this, but not for repetetive dives. I'll do this in the summer because I can't stand the thought of putting on that dry suit when it's above 90 outside. My Christmas wish list has a hooded vest which should help.

below 60 - Dry suit.

thesmoothdome
08-30-2007, 08:42
For me it's really simple: Either a 3 mil in 80+ temps or a dry suit if it's cooler than that. I own nothing else at the moment. OK....maybe I'll suffer in 78 degree water and wear my 3 mil.

Kingpatzer
08-30-2007, 08:59
I've been in 7mm down to 40 degrees, but I'm getting a dry suit this winter and my plans are my 3.5mm down to about 75, my 3.5 with 3.5mm core warmer down to around 65, and dry suit below that.

meesier42
08-30-2007, 09:56
this question is why too personnal to get really good advice. But here is my setup
80+, 3mm shorty or skin depending on depth/time, repetitive dives and air temp
60-80, 3mm full Pinnacle Seal
<60, 7mm Famer John and Jacket and 7mm hooded vest

Bring the Payne
09-10-2007, 19:42
I use a 3mm with temps above 70...this weekend I dove at 80ft (59 degrees) w/ 6mm wetsuit, 3mm hood and 3mm gloves. I was definately warm.

jwdizney
09-10-2007, 20:55
Try this site.
http://www.wetwear.com/howthick.htm


great link, fin! thanks!!:smiley20:

dmdoss
09-10-2007, 21:56
For the lakes we have around here your going to find yourself in a 5 most of the time. Unless you stay above the T/C then you can stay with a 3. This is for summer.

divingmedic
09-11-2007, 13:23
The carib in the summer I use a 1mil and if it is colder I use a 3mil. If I need something thicker than that, I wont dive.

TommyB
09-11-2007, 15:55
80+ 3/2Shorty
74-80 full 3/2
Below 74 I wear a full 7mil Farmer John + jacket so that's 14 mil
and at 68 I still get cold (just a tad).

I've done 74 in a full 3/2 + shorty 3/2 on top but that was still a little cold for me.
As a matter of fact, here's a pic from week before last of me in 74 wearing the full 3/2 3/2shorty and my lips are blue :)
Even though it's 100% on the surface

Bill22
09-13-2007, 21:30
temperature sensitivity is a very subjective matter. i get cold in my 7mm one piece + 3 mm vest in 50 F water and my buddy is more or less ok in his 5 mm suit. depends on your body fat, your mood, your diving skills etc etc. some people use 7 mm in Bonaire and some dive in T-shirts, that's as big range as it gets - and where you fit into it - only experience will tell.

Gotta agree with that too. I went diving with my friend in July. Water temp was 67 degrees. I was wearing a 3mm with a hood and he was in a 5mm. He seemed surprised that I was comfortable in that. It's very subjective. Joe and Larry have a discussion on guidelines for wetsuits. Here's a link: http://www.scubatoys.com/store/joelarry/suittemp.asp

Hope that helps :-)

Capt Hook
09-13-2007, 22:00
Summertime in Florida I dive a skin; winter and early spring I'll add a 2 mil hooded vest and finally a 3mil one piece with hood and gloves.

jo8243
09-17-2007, 16:38
Very subjective... but for me... 86+ = no suit or shorty, 80-85 = 1mm fullsuit. 70-80 = 5/4mm fullsuit (and at 70 I'll be cold in that). below 70 = no dive. :) Yes I'm cold natured.

Hidreck
10-16-2007, 04:11
very subjective, but for me above 70 3mm
69 - 40 6.5 smi-dry thats my main
40 - 35 6.5 smi-dry with 5 mm vest
below 35 no dive