San Francisco Fire Department spokeswoman Mindy Talmadge confirmed to Press Association Sport that Andrew 'Bart' Simpson was taken to St Francis Yacht Club on the shore where paramedics performed emergency resuscitation, but he was pronounced dead.
She said another sailor suffered minor injuries.
More top news
The RSPCA is appealing for information after a dog was found with a crossbow bolt through his skull near Peterborough
Everton fans were attacked by up to 100 hooligans outside a bar in Lille ahead of their Europa League tie this evening
The discovery of two giant dinosaur arms half a century ago has kept scientists guessing until now.