Jet propulsion on your surfboard? It's a dream- you can surf tiny mushy 1 ft surf like it was 5x bigger... on a short board. So, it might cost a few grand for one of these bad boys, but when it comes to year-round surfing (those small, frustrating summer days) this can't be beat.
Check out this video and WaveJet's website:
And another cool take on this, a little bit more powerful:
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