Today.. as part of my scuba class.. we went to Anchor Bay Marina on Lake Martin for our first open-water certification dives. The water was a freezin 72 degrees. The air outside was freezin 60 degrees. We got in the water made 4 dives @ about 20 minutes a piece. Then when we got out, the wind was blowing so hard. The wetsuits kept us wet, so the cold wind froze us.