How do you know if a beach is safe to swim?

Read the beach safety signs at the entrance to the beach. Once on the beach, look for beach warning flags, often posted on or near a lifeguard's stand. A green flag means water conditions are safe and other colors mean conditions are not safe. These flags are there to protect you.



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To reduce your risk, don't swim too far from shore, stay in groups, avoid being in the water during darkness or twilight, don't go in the water if you are bleeding from a wound, leave shiny jewelry at home, and avoid brightly colored swimwear.

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The wind is responsible for creating waves and swell, and the easiest indicator of sea conditions is wind speed. Wind speed is measured in knots, which are based on nautical miles. Five-knot winds or less will be barely noticeable, and you should have calm seas and ideal boating conditions.

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Beach advisories and beach closures occur when water testing reveals the presence of one or more contaminants that exceed healthy standards. During a beach closure, water conditions are deemed unsafe for swimmers and other users.

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If the waves are 0-1 feet high (0-0.3 meters), the sea is “doable” and safe for swimming. If the surf height is 2-3 feet (0.8-1 meters), ocean conditions are questionable.

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How can I stay safe when swimming?
  1. Look for and read the signs. Follow the posted safety information. ...
  2. Walk, do not run. Never run on the pool deck. ...
  3. Be careful getting in and out of the pool. ...
  4. Look before you leap or dive in. ...
  5. Stay within your abilities. ...
  6. Never swim alone. ...
  7. Play carefully. ...
  8. Do not drink alcohol.


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