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  • Open Water Safety Tips
  1. Home
  2. Open Water Safety Tips

Open Water Safety Tips

In the last 5 years, 90% of accidental drownings occurred at open water sites, either inland or on the coast.* Many of these drownings occur due to a lack of knowledge and understanding of open water safety.

The basic principles of open water safety, combined with knowledge and understanding of the hazards, can increase the enjoyment of open water and significantly reduce the number of incidents that occur each year.

The benefits of swimming and dipping in open water are well documented. Not only does being in or on open water allow new adventure it also has documented benefits for both physical and mental wellbeing. All of these hazards can be controlled through proper organisation and planning. 

Risks to consider in open water include:
  • The shock of cold water can make swimming difficult and increase the difficulty in getting out of the water
  • Lack of safety equipment and increased difficulty for rescue
  • The height of the fall or jump if tombstoning
  • The depth of the water – this changes and is unpredictable
  • Underwater objects and hazards may not be visible
  • Obstacles or other people in the water
  • Strong currents can rapidly sweep people away
  • Uneven banks and river beds
  • Water quality, e.g. toxic algal blooms and industrial/agricultural pollution
RLSS UK is partnering with experts to share essential open water swimming safety advice

Leveraging research from the University of Portsmouth, RLSS UK is providing top recommendations to ensure a safe and enjoyable experience for all swimmers. For more detailed guidance, read our news story on open water safety, linked below.

Safer open water swimming with guidance from University of Portsmouth research

*Source: WAID 2020-2024. Data from 2020-2023 was enhanced in 2024 and may differ from earlier releases.
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Sponge to Plunge

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Safety Guidance From Swim Secure – RLSS UK Water Safety Partner

Safety Guidance From Swim Secure – RLSS UK Water Safety Partner

Simple safety steps to help you transition from pool to open water swimming. Read more

Published: 24th March, 2021

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Author: Kelly Key

Cold Water Shock – The Facts and Science

Cold Water Shock – The Facts and Science

Cold water can be from the temperature of a swimming pool and below. Read more

Published: 22nd March, 2021

Updated: 5th June, 2024

Author: Kelly Key

Festive Dips - How To Stay Safe And Deal With The Cold

Festive Dips - How To Stay Safe And Deal With The Cold

A favourite festive tradition is getting in the water over Christmas and New Year. Whether you’re an experienced festive dipper or giving it a go for the first time, check out these tips to stay safe. Read more

Published: 16th December, 2020

Updated: 9th March, 2026

Author: Jess Ackroyd

Guidance for Teaching in Open Water

Guidance for Teaching in Open Water

The RLSS UK guidance notes for organising lifesaving and lifeguarding of open water training and assessment. Read more

Published: 25th March, 2020

Updated: 11th February, 2025

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Open Water Safety Products

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View all of our essential open water swimming equipment. Read more

Published: 16th July, 2018

Updated: 6th August, 2024

Author: Kelly Key

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