Coldest dive sites in USA

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Brrrrrrrrr.....this thread is out of my league. Think I'll grab some hot coffee and head over to the Cozumel forum.

-warmwaterwimp
 
The difference between -2C and +5C really means very little, actually it means little till about +10C when you start considering a wet suit.
Kinda like the difference between -30 and -whatever more than thirty on land. After -30, it's just ****ing cold. Doesn't matter what the number is. Although, around -40 something magical happens. -40F is the same as -40C - and about that time, your tires freeze into place and you have a flat spot from where it was sitting on the ground overnight - for about 10 minutes or so when your tires warm up from driving :)

As per the pict above - hey, I like your dive triangle "hole". Very...um....new ageish :)
 
Kinda like the difference between -30 and -whatever more than thirty on land. After -30, it's just ****ing cold. Doesn't matter what the number is.

I took it the opposite way, the implication being there's no significant difference between -2C and +5C because it's assumed one has sufficient thermal protection.

With just a few modifications, one can be comfortably warm for 60 minutes or more in the coldest water.

I love it that water temps don't matter anymore! :)

However, now it's the surface conditions or plain laziness that make me call a dive....still a wuss! :shakehead:

Dave C
 
Hands getting cold is a difference, at lower temps you better have dry gloves. Free flow is BS, there are bulletproof regs that will ever freeflow (unless the suffer a first stage seat problem or other mechanical failure) as long as proper procedures are followed. ScubaPro just doesn't happen to head that list.

I've used wet suits (of proper design: 9mm, skin two sides, GN-231N, attached hood, no zippers, farmer johns, elbow high 3 finger mitts, knee high booties, etc.) up under the Arctic ice, no problem what-so-ever. I have never seen a Cyclon 300, a Sherwood Magnum Blizard, or an AGA, freeflow from cold. Hell ... I used to dive Oceanic Omega and Omega IIs up there and I'd come out of the water with an iceball the size of a grapefruit around the first stage ... but no freeflow.

I would not call that typical issue recreational heavy cold water wet gear--lol. As to problems.....you may of been so num that you were not aware of the pending problems.....your body starts to take a beating in those conditions.

ALL regulators can free flow under most any cold water/weather condition....proper protocols for use are your only protection and that is not 100%.

Consider yourself lucky so far....it's all a game of numbers.
 
Looks like wetsuits, no gloves, possibly no booties........and an awful lot of distance from one's buddy in very deep water.
 
Cold water, 7C, very mild current, 4 dives during a week end last November. What made it special: an average of 2 hours in the water with 90 minutes bottom time each. Surface temp minus 11 with some wind coming from the river.

I never appreciated a surface interval so much and the French onion soup served at the Rockport Boathouse Country Inn.
 
I would not call that typical issue recreational heavy cold water wet gear--lol. As to problems.....you may of been so num that you were not aware of the pending problems.....your body starts to take a beating in those conditions.

ALL regulators can free flow under most any cold water/weather condition....proper protocols for use are your only protection and that is not 100%.

Consider yourself lucky so far....it's all a game of numbers.
I've got the numbers to say that with the right choice of gear and simple but careful procedures, free flow really is a non-issue.

That kind of suit was rather standard recreational gear a while back. Dry suits do work better today. A suit of that design is really a "semi-dry" and since it is "skin" two sided it can be fit very, very closely without any issues.
 
https://www.shearwater.com/products/perdix-ai/

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