Moon Tide

I started this was a plan to add a dog.  When I got the blue and the round yellow 'sun' done, I just couldn't see or get the dog idea to work on it.  Left it for a few weeks, kept looking at the bend in the sun.  Thought, humm..... a sailboat would fit?  And made it into this:

Is it the moon or the sun?  Either way is fine.  Super simple picture, just wanted to paint something quick and easy one day.