UK Beachgoers Warned as Hundreds Report Illness After Swimming in Coastal Waters

Britain’s beaches are among the country's biggest attractions during the summer, drawing millions of visitors who head to the coast for swimming, surfing, sunbathing and family days out. But new figures have raised concerns about the health risks some people say they have experienced after spending time in UK coastal waters.

According to figures reported by marine conservation charity Surfers Against Sewage (SAS), hundreds of people have contacted the organisation after becoming unwell following visits to beaches around Britain during 2026. The reports include symptoms associated with illnesses such as stomach infections and ear problems.

The figures are particularly striking because some reports came from beaches that have traditionally been promoted as clean and environmentally responsible destinations.

More than 700 sickness reports recorded

Surfers Against Sewage said it received 765 reports of illness from people visiting beaches across the UK during 2026. These reports were spread across 406 different locations.

Nearly half of this year's reported cases occurred after the beginning of May, when warmer weather encouraged large numbers of people to head towards the coast. With temperatures rising sharply, Britain's beaches have become increasingly popular places to escape the heat.

The charity also says that thousands of sickness reports have been submitted since 2019. Its figures indicate that 8,313 reports of illness have been recorded over that period.

SAS estimates that people have collectively taken more than 15,000 days away from work because of illnesses they believe were contracted through contact with UK waters.

However, these figures should be interpreted carefully. They represent reports made to the charity and do not establish that contaminated seawater was definitely responsible for every illness.

Popular beaches among the locations reported

Several well-known coastal destinations appeared in the charity's 2026 figures.

Bournemouth recorded the highest number of reports at 16. Other popular destinations included Croyde Bay in Devon and Polzeath in Cornwall, each of which was associated with multiple reports.

Rest Bay in Porthcawl, Wales, was also among the locations receiving a significant number of reports. Other beaches mentioned in the figures included Exmouth, Portreath, Saunton Sands, Swanage Central, Ogmore and Woolacombe.

One particularly notable example was Durley Chine beach, which had achieved Blue Flag status in 2026. Three reports of illness were associated with the location.

The presence of reports from beaches with recognised environmental credentials has raised questions about how visitors should interpret beach-quality labels.

What does Blue Flag status mean?

The Blue Flag programme is intended to recognise beaches that meet a range of environmental, safety and management standards. Criteria can include bathing-water quality, environmental education, safety measures, accessibility and waste management.

A Blue Flag award therefore provides an indication that a beach has met specific standards. It does not mean that the water is completely free from microorganisms or that swimming can never carry health risks.

Water conditions can change because of weather, pollution incidents, drainage problems and other environmental factors. Visitors should therefore check current bathing-water information before entering the sea, particularly after heavy rainfall or when local authorities issue warnings.

Why can polluted water make people ill?

Contaminated recreational water can contain microorganisms capable of causing illness. Depending on the type and level of contamination, exposure may be associated with gastrointestinal symptoms, skin irritation, eye problems or ear infections.

The risk can vary significantly between locations and over time. A beach that has acceptable water-quality measurements on one day may have different conditions after an unexpected pollution event.

This makes timely information particularly important for swimmers, surfers and other people who regularly use coastal waters.

SAS has argued that sewage discharges remain a major concern for people using Britain's rivers and seas. The charity has described the issue as a public-health concern and called for stronger action against pollution.

A growing concern during hotter summers

The timing of the latest figures is significant. Britain has experienced increasingly hot summer conditions in recent years, encouraging more people to seek relief in the sea.

As temperatures rise, swimming becomes an attractive way to cool down. Coastal destinations can become extremely busy, particularly during weekends and heatwaves.

More people entering the water naturally means more opportunities for exposure to any pollutants that may be present.

The situation also highlights the importance of checking water-quality information rather than relying solely on the appearance of the beach. Clear-looking water does not necessarily guarantee that it is free from harmful microorganisms.

What should beach visitors do?

People do not necessarily need to avoid Britain's beaches. Instead, visitors can take sensible precautions before and during their trip.

Checking official bathing-water information is one of the simplest steps. Visitors should also pay attention to signs and notices at beaches, particularly those warning against swimming.

It is sensible to avoid entering the water when a pollution warning has been issued. People should also be cautious after significant rainfall because rainwater can contribute to the movement of pollutants into coastal waters in some areas.

Swimmers should avoid swallowing seawater and wash themselves after leaving the water. Anyone who develops persistent or severe symptoms after swimming should consider seeking medical advice.

Parents should take particular care with children because youngsters may accidentally swallow more water while playing in the sea.

The wider debate over Britain's water industry

The latest figures have also reignited a wider debate about Britain's water infrastructure and sewage system.

SAS has criticised water companies over sewage discharges and called for significant reform of the industry. The organisation argues that stronger measures are required to protect people who use Britain's waters for recreation.

The issue has become increasingly prominent as public attention has focused on pollution incidents and the condition of Britain's rivers, lakes and coastal waters.

For holidaymakers, however, the immediate question is much simpler: is the water safe today?

That is why accessible and up-to-date information is so important. Beach-quality ratings provide useful background information, but visitors also need current warnings and pollution updates when deciding whether to swim.

Beautiful beaches still deserve careful attention

Britain's coastline remains one of the country's greatest attractions. From Cornwall and Devon to Dorset, Kent and the Welsh coast, there are hundreds of beaches offering opportunities for swimming, surfing and relaxation.

The new figures do not mean that every British beach is unsafe, nor do they prove that every reported illness was caused by seawater.

They do, however, provide a reason for visitors to take water-quality information seriously.

As hotter weather continues to drive people towards the coast, checking local conditions before getting into the water could become just as important as applying sunscreen.

For anyone planning a beach trip this summer, a few minutes spent checking official pollution and bathing-water warnings may help make the difference between a memorable day beside the sea and an unpleasant illness afterwards.

Source

The Daily Mail on August 8, 2026.

Disclaimer

This article is intended for general information and does not constitute medical or public-health advice. Reports submitted to Surfers Against Sewage do not necessarily establish that seawater caused an individual's illness. Beach conditions can change quickly, so visitors should consult current official bathing-water and pollution warnings before swimming.