Beachgoers need to be aware of RIP currents. “RIP” in this case could stand for “rest in peace,” because these currents can be deadly. In the U.S., about 100 people drown in RIP Currents every year. Lifeguards in the U.S. rescue another 30,000 swimmers from RIP Currents each year. We usually think of waves as washing stuff onto the beach—seaweed, shells and other ocean debris. But, sometimes the waves hit the beach in a certain way to create a current that flows away from the beach. This is a RIP Current. When waves travel from deep to shallow water, they break near the shoreline and generate currents that are influenced by the shape of the ocean floor, at times producing RIP Currents. Waves interacting with each other can also cause short-lived RIP Currents.
Why are RIP Currents dangerous?
- RIP Currents pull people away from shore.
- RIP Current speeds can vary from moment to moment and can quickly increase to become dangerous to anyone entering the surf.
- RIP Currents can sweep even the strongest swimmer away from shore.
- A scientific review of data provided to the United States Lifesaving Association found that there are over 100 deaths each year in the U.S. attributed to RIP Currents.
- RIP Currents account for over 80% of rescues performed by surf beach lifeguards.
How can you identify a RIP Current?
RIP Currents can be a little tricky to spot unless you know what to look for. RIP Currents tend to look different from the surrounding water. Look for areas of water where waves are not breaking—particularly narrow gaps of darker, calmer-looking water extending offshore. Because RIP Currents look calm, many people think they look like the safest place to swim and often choose to enter the water right in the middle of the RIP Current! As RIP Currents carry water offshore and waves bring water toward the shore, there is often some interference, and the surface of the water where there is a RIP Current may look bumpy or have a different texture than the surrounding water. Rips also carry floating debris, like foam and clouds of sand, offshore. These visual clues are sometimes hard to identify, so you need to spend several minutes watching the water for any of these tell-tale signs of RIP Currents.
How can you avoid RIP Currents?
The best way to avoid getting caught in a RIP Current is learning to avoid them. The best way to stay safe is to always swim near a lifeguard, or in areas designated safe for swimming by lifeguards. However, lifeguards are not always present. In that case, you should always follow the rule “if in doubt, do not go out,” or never go deeper than waist-depth, particularly if you are a poor swimmer. Always keep your feet firmly on the sand.
What if I’m caught in a RIP Current?
If you think you are caught in a RIP Current, try to relax and remember that the RIP is not going to pull you under the water; it is just taking you for a ride. If you are on a beach with lifeguards, raise an arm in the air to signal for help while treading water. The lifeguards will see this and know to come and get you, and you might even attract the attention of other swimmers or surfers in the area who can help you out. Some research has shown that, often, RIP Currents will eventually bring you back toward the shore, so just keep floating and save your energy.
If you really think you are not heading back to shore, and you have not attracted anyone’s attention, it is very important to remember that not even Olympic swimmers can outswim a RIP Current, so do not try to swim straight back to shore against the current. Instead, try to work out which direction the RIP Current is taking you and swim slowly, but steadily, across the RIP to one side and aim for areas of whitewater. RIP Currents are generally no wider than about 15 m (16.4 yards), so you only need to swim a short distance to try and get out of the current. Once out of it, you should be able to stand up and make your way back to shore in the areas where you can see breaking waves.
Watch these tips on how to escape a RIP Current from UC Berkeley.
Swimming in the ocean is almost certainly part of most families’ summer plans when visiting the beach. The ocean can be a great time filled with laughter and fun if you are prepared, aware, and vigilant.
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Source: https://scijinks.gov/rip-currents/ and https://www.usla.org/page/ripcurrents and https://kids.frontiersin.org/articles/10.3389/frym.2019.00033