Hopped back into the lake yesterday. It felt just as cold as last week but I managed more than half a mile back and forth near shore and I felt pretty good. Turns out the water was 60 degrees and I did about 24 minutes. Maybe there really is something to 60 as the magic number.
If I can swing it next week I'll definitely go out to the island and back. Wifey got some practice kayaking with me, but we still need a reliable way for her to get my attention when I'm swimming. Also we need to see how well we can track when we actually have a target in mind.