Possible Clues:

• Take part in a seaside activity and risk a wet undoing?
• Article of equipment akin to a wakeboard
• Skater trained in West Indies to practise another sport
• Ride behind a motorboat
• Skater must fail in the Caribbean islands, and try another sport
• Capsizing, risk a wet runner
• Follow boat for sport in Bath on foot in winter
• Skimming device made from wet hide, mostly
• Thing to do at the end of one's rope?
• Perform, in some SeaWorld shows