Why isn't the man standing?
Answer the question succinctly with one word or a brief phrase.

surfing

What does the man have on?

swim trunks

Is the man being towed?

no

What are these people wearing?

shorts

What is about to happen to the surfer?

wipeout

Is the surfer going to open water or the shore?

shore

Is the wave big?

yes

Does the water look green?

yes