Skip to content How the Beach Flag Warning System Works
To help you feel confident and safe at the beach, it’s helpful to understand the full system. Here’s a quick guide to the flag colors you might see:
| Flag Color | Meaning |
|---|---|
| Green | Calm conditions. Low hazard. Safe to swim, but stay aware. |
| Yellow | Moderate conditions. Exercise caution. There may be light surf or currents. |
| Red | High hazard. Dangerous conditions. Swimmers are advised to stay out of the water. |
| Double Red | Water is closed to the public. Very dangerous conditions. |
| Purple | Marine pests present. Dangerous sea creatures have been spotted in the area. |
| Red over Yellow | Recommended swimming area, with lifeguards on duty. |
What to Do When You See a Purple Flag
Seeing a purple flag doesn’t necessarily mean you have to stay out of the water entirely—but it does mean you should exercise extra caution. Here are a few gentle, practical steps to follow:
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Stay Alert. Keep a close eye on the water and be aware of your surroundings.