Jellyfish in Koh Tao

Today no beach in Koh Tao has a high jellyfish risk: the highest level is moderate (5 of 5). It is an estimate, not a guarantee: follow beach flags and lifeguards.

Surat Thani · Gulf of Thailand · 5 beaches in this area. Level is today's estimated risk.

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Beaches

Koh Tao: jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 27% of days. Official warnings: 0. Eyewitness reports: 7.
  2. February: Usually moderate risk. High risk on 4% of days. Onshore wind on 38% of days. Official warnings: 0. Eyewitness reports: 2.
  3. March: Usually moderate risk. High risk on 7% of days. Onshore wind on 51% of days. Official warnings: 0. Eyewitness reports: 3.
  4. April: Usually moderate risk. High risk on 0% of days. Onshore wind on 62% of days. Official warnings: 0. Eyewitness reports: 3.
  5. May: Usually moderate risk. High risk on 0% of days. Onshore wind on 67% of days. Official warnings: 0.
  6. June: Usually moderate risk. High risk on 0% of days. Onshore wind on 80% of days. Official warnings: 0. Eyewitness reports: 2.
  7. July: Usually moderate risk. High risk on 17% of days. Onshore wind on 79% of days. Official warnings: 0. Eyewitness reports: 1.
  8. August: Usually moderate risk. High risk on 10% of days. Onshore wind on 80% of days. Official warnings: 0. Eyewitness reports: 7.
  9. September: Usually moderate risk. High risk on 4% of days. Onshore wind on 77% of days. Official warnings: 0. Eyewitness reports: 4.
  10. October: Usually moderate risk. High risk on 13% of days. Onshore wind on 47% of days. Official warnings: 0. Eyewitness reports: 3.
  11. November: Usually moderate risk. High risk on 8% of days. Onshore wind on 29% of days. Official warnings: 0. Eyewitness reports: 3.
  12. December: Usually moderate risk. High risk on 5% of days. Onshore wind on 19% of days. Official warnings: 0. Eyewitness reports: 3.
  • Low
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Colour shows the typical risk level that month; the number is the share of high-risk days. Warnings and sightings are in each month’s tooltip.

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Questions and answers

Are there jellyfish in Koh Tao right now?

Today across 5 beaches: moderate — 5. The highest risk is at Tanote Bay (stronger wind than usual). Jellyfish reports in the last 7 days: 0. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.

When is jellyfish season in Koh Tao?

Based on 2022–2026 weather, the risk in Koh Tao is most often elevated in July, August, September. Official DMCR warnings nearby: 0.

Which beaches in Koh Tao have the lowest risk today?

Lowest estimate today: Shark Bay (Ao Thian Og), Chalok Baan Kao Bay, Sairee Beach. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.

Which dangerous jellyfish occur in Koh Tao?

Recorded on this coast: Thai box jellyfish (Chironex), Chiropsoides box jellyfish, Morbakka (single-tentacle box jellyfish), Portuguese man o’ war (bluebottle), Sea nettle (fire jellyfish).

What should I do if a jellyfish stings me in Thailand?

Get out of the water. Call 1669 for trouble breathing, chest pain or collapse. Do not rub the sting and do not rinse it with fresh water. If a box jellyfish is possible, pour vinegar over the sting for at least 30 seconds.