Make sure you have a bail out port on your GPS for the western end. and work it out so you can get somewhere protected in the dark.

what are the projected wave heights in that area in that wind?

remember there is never a problem if you have to turn back and don't finish ... this is only a personal challenge where you need to weigh safe vs foolish.

the tiller and boat motion can be a serious problem in deep short waves in the dark.

But then what we do in our late 60s is not what younger people would do in their 30s.

Our best for a safe challenge at whatever distance is comfortable. how many on your crew?