Originally Posted By: Russ
Per http://www.surf-forecast.com/breaks/St-Lucia/seatemp, the water temp off St Lucia was about 77 deg F. as I read the chart. What's the survival stats say about survival times in 77 deg water?

Essentially, at 77 deg F, hypothermia is not going to be an issue.

77 deg F is 25 deg C, and this chart shows 30 hrs to indefinite for that temperature, even naked: Survival Time in Hours in Cold Water

For colder water, body fat and clothing are big factors - see:
PREDICTED WATER IMMERSION SURVIVAL TIMES FOR ANTI- EXPOSURE ENSEMBLES

This seems to be a good site on the topic: Cold Water Survival


Edited by rafowell (04/29/13 02:46 AM)
Edit Reason: Added link
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A signal mirror should backup a radio distress signal, like a 406 MHz PLB (ACR PLB) (Ocean Signal PLB)