Strangely enough, the Plimsoll line is one of those things I learnt about many years ago... and it stuck.

Scary indeed that they're prepared to put their lives at risk to go to those extremes, let alone the legal side of things. As you say, undoubtedly the calm weather factored in a lot.

Nice wee route write up here in The Guardian (advertorial with Visit Ireland..):

https://www.theguardian.com/coast-to...box=1745928376