The cause of death is pending toxicology results in about six weeks.
Hebert, 37, was found floating in the water off Olde Port Beach about 9:20 a.m. Wednesday. His body showed no obvious signs of trauma, and foul play is not suspected, sheriff’s spokesman Tony Cipolla said in a news release.
Authorities believe Hebert was staying at one of the boats, which they say belonged to a relative. His kayak was found floating right side up near the pier several hours before his body was discovered.
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Sheriff’s officials say Hebert likely used that kayak to travel between the boat and the beach.