Black and white chequered flags indicate an area zoned by lifeguards for use of watercraft such as surfboards and kayaks. Never swim or bodyboard in these areas. The red flag indicates danger.
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Red flag is high hazard meaning high surf and/or strong currents. Yellow flag is medium hazard meaning moderate surf and/or currents. Green flag is low hazard meaning calm conditions, exercise caution. Purple flag means dangerous marine life spotted.
Purple FlagsWhen potentially dangerous ocean animals have been spotted, you'll see a purple flag. These flags fly either on their own or with other colored flags. If you see a purple flag, but the water is not closed to swimming, use extreme caution and keep a close watch for dangerous animals.
A green flag on the beach is an all-clear sign, indicating that it's safe to swim: Sea is quiet, without danger or risk. Good quality of water and general beach conditions. No risk situations for the swimmers.
Red Flag – Red Flags flying mean that the waters have high surf and you should stay out of the water. You can still play in the sand, relax in your beach chair or take a walk along the beach!Just don't get in, unless you are a surfer with a personal floatation device.