Prioritizing Safety in Natural Waters
Outdoor swimming offers a refreshing and enjoyable activity, particularly during warmer months. However, it's vital to acknowledge the potential dangers associated with natural bodies of water. Recent statistics from the National Water Safety Forum indicate 202 accidental water-related fatalities in the UK in 2025, with a notable number occurring during periods of high temperatures. Experts emphasize that many of these incidents could be prevented through adherence to simple safety guidelines.
Choosing Supervised Locations
A primary recommendation from water safety professionals is to swim in areas that are supervised. Locations with lifeguards, such as many beaches listed on the RNLI website, offer a significantly safer environment. Steve Hall, a volunteer with Hornsea Rescue, highlights that many risks are avoidable with basic precautions. He, along with his daughters, opts for lifeguarded beaches or designated wild swimming areas over rivers and reservoirs, which can harbor unseen hazards.
Becky Hickman, CEO of the Royal Society for the Prevention of Accidents (RoSPA), warns about the hidden dangers beneath the surface of inland waters. These can include strong currents, sharp rocks, submerged debris, sudden drop-offs, or even heavy machinery in industrial waterways like reservoirs or canals.
Understanding Rip Currents
When swimming in the sea, awareness of rip currents is crucial, even in good weather. Hall explains that these powerful currents can quickly pull swimmers away from the shore, even a short distance, into deeper water. The RNLI suggests that rip currents might be identified by churning or choppy water. Learning to recognize these currents, potentially through educational videos, can be life-saving. If caught in a rip current, the advice is to swim parallel to the shore to escape its pull, rather than attempting to swim directly against it.
Assessing Personal Capabilities
Sarah Pennicard from the RNLI's water safety team advises individuals to realistically assess their swimming ability before entering open water. Swimming in the sea, lakes, or rivers differs significantly from a controlled swimming pool environment due to colder temperatures, unpredictable currents, and varying conditions. Dave Oakley-Jenner of North Cumbria Search and Rescue further advises ensuring good physical condition and avoiding swimming after consuming alcohol or drugs, or after a heavy meal.
Maintaining Shoreline Supervision
It is strongly recommended never to swim alone. Hall suggests that everyone in a group should know their location and have access to a phone to call emergency services if needed. Crucially, at least one person should remain on shore to observe those in the water and call for help if difficulties arise.
Avoiding Inflatables in Open Water
Inflatables, while fun in pools, are not suitable for open water environments. Hall warns that a sudden change in wind can rapidly carry inflatables out to sea. If this occurs, and it's unsafe to swim back, individuals should stay on the inflatable and signal for help, as inflatables are more visible to rescue services than a lone swimmer.
Preventing Cold Water Shock
Many UK waters remain below 15°C (59°F) year-round, posing a risk of cold water shock. This phenomenon, often triggered by entering cold water too quickly, can restrict movement and affect breathing, potentially leading to drowning if water is inhaled. To avoid this, individuals should enter the water gradually, allowing their bodies to acclimatize. Oakley-Jenner's 'ankles, hips and nips' mantra illustrates this slow immersion technique. If cold water shock occurs, the advice is to float on your back, keeping your head back and ears in the water, and focus on calming your breathing before making any decisions. In an emergency, shout for attention and wave with one hand while using the other to stay afloat.
Responding to Emergencies
If you observe someone in distress, the National Water Safety Forum recommends a clear sequence of actions: first, call for help (emergency services), then instruct the person to float, and finally, throw them a flotation device if available. Rescue workers suggest using location services like What3words to pinpoint precise locations. The RNLI strongly discourages attempting a direct rescue by entering the water, as a panicked person can inadvertently put the rescuer at risk. Helping from the shore is almost always the safest approach.
With proper preparation and awareness, outdoor swimming can be a deeply rewarding experience, offering mental and physical benefits. However, as Hickman notes, the beauty of open water should not overshadow the necessity of being prepared and informed about safety.
Source: How to stay safe swimming outdoors - and still have fun