Picture courtesy of KhaoSod

 

Lifeguards at Patong Beach in Phuket have cautioned tourists after spotting the venomous Portuguese man o’ war jellyfish along the shore. They advised beachgoers to avoid contact with the creatures and to seek immediate help if stung. This warning is part of a safety measure during the southwest monsoon when such marine hazards are more common.

 

Increased vigilance has been implemented at Patong, Kata, and Karon beaches, with sightings of these jellyfish becoming more frequent. The Department of Marine and Coastal Resources (DMCR) previously conducted inspections at Kata Noi in July following similar incidents. Their findings included other dangerous species such as blue sea dragons and blue button jellyfish, noted for their painful stings.

 

Officials have urged both tourists and residents to exercise caution and avoid touching unfamiliar marine life. Medical advice suggests treating stings with vinegar to prevent further venom release and seeking immediate help from lifeguards. Friction can worsen stings, so it is advised not to rub the affected area.

 

Patong Surf Life Saving is actively patrolling the shoreline and monitoring conditions. Tourists are encouraged to observe beach safety flags, follow posted guidance, and check with lifeguards before entering the water. This proactive approach aims to ensure beachgoers’ safety during the monsoon season.

 

Key Takeaways

• Venomous Portuguese man o’ war jellyfish have appeared at Patong Beach.
• Sightings coincide with the southwest monsoon, leading to increased lifeguard vigilance.
• Tourists are urged to avoid contact with jellyfish and follow safety guidelines.

 

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  Adapted by ASEAN Now from The Thaiger 2025-09-18

 

 

"Bluebottles".....They sting a bit...used to get them on Sydney beaches quite often.

As a kid growing up in Bondi, you learnt quickly that an Easterly wind blew these suckers onto the shore, along with all the sewage from the treatment plant at North Bondi 

Beach goers, carry a bottle of full strength vinegar.

And apply that to the wound after contact with these toxic creatures.

 

Their venom is alkaline nature.

So the vinegar(acid nature) is  effective to neutralize their  poison.

 

Your cheap(often less than b20/700cc at Tesco/Tops supermarkets), easy countermeasure against the beasts with stinging tentacles.

19 hours ago, snoop1130 said:

enormous Portuguese man o’ war jellyfish have appeared at Patong Beach.

 

 

Tourists in Patong are already being stung by scams etc. Now they have to contend with stinging jelly fish!

This time last year I was stung by a jellyfish at Hua Hin's South Takiab beach. Burned the skin on my wrist and hand and suffered instant absolute agony for 7 hours. The only relief was by putting it in hot/warm water. The swelling moved up my arm for several days. I left it open to heal which was a mistake as a 2 x1"  area on my wrist where the skin burned off went sceptic. So I then went to a hospital which dressed and bathed it everyday for a week which healed it. Didn't see the jellyfish so I don't know what kind it was. I would recommend going to a hospital immediately if it happens to you. I should have but it was about 12km on a motorbike in the evening so I didn't which I regretted. Live and learn!