Ocean Safety officials have closed Brennecke's Beach on Kauai to swimming until further notice due to a shark sighting.

Lifeguards report that a roughly three-foot reef shark was sighted near the shoreline at approximately 2:30 p.m. Saturday. 

Warning signs have been have posted to warn beachgoers of the shark sighting and are advising no swimming until further notice. 

Lifeguards will reassess the area on Sunday morning to determine if the beach can be reopened.