Answer:
This is a metaphor that shows how the father struggles in life without his ancestral traditions, such as hunting. It's hard you know without the buffalo, the shaman, the arrow, but my father went out each day to hunt. as though he had them.
I believe that the narrator feels his daughter and the young enemy continually cause him to face his past
spring tide has nothing to do with spring. it means springing fourth. so put happen daily under spring tide & also daily movements of the ocean will go under spring tide.
neap tide is the 1st & 3rd in moon fazing because they are at angles opposite of one another.
now, high and low tides happen when the moon rises and lowers so occurring at full moon & new moon.
& I'm sure you can guess the extremely high & moderate happen in this faze as well.