HONOLULU, Hawaii (HawaiiNewsNow) - Lifeguards have posted warning signs at Makaha Beach after a surfer reported that his board was bitten by a large shark.
Officials said the surfer reported the incident around 7 p.m.
The shark was estimated to be about 10 to 12 feet in length.
Lifeguards have been monitoring the area on Monday morning.
This story will be updated.