On page 157 there are rules for travel by boat. But there is no indication on how far (now many hexes) boats can travel in a quater day. What do people think?
Have some experience and historical knowledge of river transport, and would rule that boat travel traverses hexes at walking pace (yes, of course in “reality” rivers always flow along hex edges, but I am not interested in worrying about that). But while I also have experience of open water (sea) sailing, I am not at all sure what I would rule.