Green
Conditions are calm. Swim with care
Indicates caution should be used when entering any body of water. This flag is flown for normal conditions to remind swimmers to stay alert.
Flown when conditions are determined to be out of the ordinary, such as presence of strong wind, strong current or large surf. Adult swimmers should stay in water no more than waist deep and non-swimmers and children should be kept along the surf line.
Indicates a potential problem with jellyfish, Portuguese man-o-war, stingrays or other marine life that could be a hazard for swimmers. Blue flags can be used in combination with other flags.
Environmental warning for air and/or water quality. See notice board for details.