Downstream

towards you or if it’s behind
you. There are signs. As a
boat gets close you wait for a
bow wave. The first little
wave will tell you where the
boat is coming from; if it rolls
over your shoulder you don’t
worry because although the
next one will be bigger, if it’s
from behind you, you will
float, so you can maintain
your normal breathing
pattern. If the boat is coming
from in front of you then you