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The alert follows reports of Portuguese man o’ war sightings at several other locations across Phuket, including Nai Harn beach, Ya Nui beach and Racha Island. The marine animal, often mistaken for a jellyfish, has long tentacles capable of delivering venom even after it has died, creating risks for beachgoers and swimmers.
Officials said lifeguards and relevant agencies quickly installed warning signs along affected beaches and informed tourists to exercise caution, particularly when entering the sea. The warnings come as visitors continue to frequent beaches along the Andaman coast during the current travel period.
Pictures courtesy of The Nation
According to authorities, contact with a Portuguese man o’ war can result in swelling, burn-like rashes, intense burning pain, nausea, breathing difficulties and loss of consciousness. Because the tentacles can continue to release venom after the animal has washed ashore, officials stressed that people should avoid touching it under any circumstances.
Chaninthorn Nareepen, a lifeguard stationed at Kata Noi beach, said he first spotted Portuguese man o’ war on Thursday, May 28, 2026. Following the sighting, officials moved to install warning signs to alert both beach visitors and those swimming in the sea.
Authorities have advised anyone stung by a Portuguese man o’ war to immediately rinse the affected area with seawater and avoid using fresh water. They also urged victims to seek medical treatment as quickly as possible.
The Nation reported that officials are continuing to monitor beaches across Phuket and other parts of the Andaman coast for further sightings. Tourists and local operators have been urged to follow official safety warnings and remain vigilant while visiting coastal areas.
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Adapted by ASEAN Now Nation 31 May 2026
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