A 24-hour advisory was issued for San Onofre Beach after a shark sighting Friday afternoon.
Surfers spotted an eight to 10-foot shark at Old Man's around 3 p.m., according to a tweet by Camp Pendleton.
Beachgoers are asked to heed posted warnings and are asked to report any sightings to lifeguards.
According to the Orange Coast District Office, there were two sharks spotted in the water.
No other information was available.
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