Zieg
Contributor
In the Keys the SI may be only a half hour. If the air is at all cool. I bring a long rain jacket. Just throw it on over the wetsuit. Evaporation stops. Suit goes back to providing insulation.
Heat retention is really important if you are thinking of 3-4 dives a day.
Steve, you are spot on with the rain coat. Up here in Panama City I used to always carry a dark green rain coat, even on sunny days. The captain would make fun of me for carrying a rain coat. Between dives I would put on the coat over the wetsuit, which perfectly cut the wind, stand out in the sun and be perfectly toasty. Meanwhile everyone else in hunkering down in the cabin trying to get warm outta the wind. Most couldn't understand my thinking, they thought I was nuts.