Writing Prompt: Write About High Tide

Okay, it's a rough draft, and I had trouble with this topic for some reason. I suppose it was just one of those days when the muse was eluding me, but I came to the paper anyway (pat on the back for me). So no laughing, please!

I sit and watch you
bashing,
crashing,
smashing.
yourself on the sand.
Then you glide toward me
slowly,
lowly
like a tongue.
My toes anticipate being licked.
Each extension brings you closer,
and I wait to see how far you'll come.
Then you retreat,
leaving me longing
for your return.