NEW : Authorities release photos of shark bite mark on Boogie Board . NEW : The Santa Barbara County Parks Department is posting warning signs at beaches in the Jalama and Guadalupe beach areas , authorities said . A man is bitten by a great white while swimming in the ocean off Florida. The California military base closes all three of its beaches after attack .
NEW : Authorities release photos of shark bite mark on Boogie Board . NEW : A man is bitten by a great white while swimming in the ocean off Florida. The California military base closes all three of its beaches after attack .