Honolulu, Hawaii (CNN) - Take a look at this! A swimmer at Honolulu's Yokohama Beach Park captured this video of an 8-foot shark. The shark was very close to shore...in fact too close for comfort. Honolulu Ocean Safety officials issued an advisory urging people to stay out of the water at Yokohama. Another 6-footer was spotted at Nanakuli Beach Park. Warning signs are posted at both beaches.