Flag Symbol | Flag Color | Hazard Type | Water Condition |
![]() | Green | Low | calm conditions are favorable for swimming |
![]() | Yellow | Medium | moderate surf and or currents |
![]() | Red | High | high surf, strong currents |
![]() | Red Over Red | Danger | water closed to public use |
![]() | Purple | marine pest present can be flown in combination with either the single red or the yellow flag |