the little wave

I’m just a wave as in many an ocean of a tide in many a sea
I cannot get rid of the notion how they’d manage without little me
My glistening froth helps form a trough carries flotsam
Back onto the shore and in the heat I cool the feet
Of the kids in case they get sore
I Fill up the moats of sand castles
And make little pools for the crabs
And if you think that’s a bit of a hassle
You should see what I do for the dabs
Although I’m not strong I carry along
The cockle shells onto the beach
I even help to bring in the kelp
And put it in everyones reach
And if one day you paddle in the sea
Spare a thought and give a little wave to me