Jellyfish on the eastern Gulf coast

Today no beach on the eastern Gulf coast has a high jellyfish risk: the highest level is moderate (45 of 45). It is an estimate, not a guarantee: follow beach flags and lifeguards.

Jellyfish on the eastern Gulf coast today and for 5 days: risk on 45 beaches in 12 areas, where it is higher now, when the season is and which species occur.

LowModerateHighVery high

Areas by risk today

  1. Koh Samet7 beachesModerate
  2. Koh Larn5 beachesModerate
  3. Koh Chang7 beachesModerate
  4. Rayong5 beachesModerate
  5. Chanthaburi3 beachesModerate
  6. Koh Wai1 beachModerate
  7. Bang Saen1 beachModerate
  8. Koh Mak2 beachesModerate
  9. Pattaya7 beachesModerate
  10. Koh Kood5 beachesModerate
  11. Trat coast1 beachModerate
  12. Koh Si Chang1 beachModerate

Eastern Gulf coast: jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 44% of days. Official warnings: 0. Eyewitness reports: 13.
  2. February: Usually moderate risk. High risk on 8% of days. Onshore wind on 61% of days. Official warnings: 0. Eyewitness reports: 39.
  3. March: Usually moderate risk. High risk on 12% of days. Onshore wind on 67% of days. Official warnings: 0. Eyewitness reports: 52.
  4. April: Usually low risk. High risk on 0% of days. Onshore wind on 66% of days. Official warnings: 1. Eyewitness reports: 28.
  5. May: Usually moderate risk. High risk on 0% of days. Onshore wind on 68% of days. Official warnings: 0. Eyewitness reports: 12.
  6. June: Usually moderate risk. High risk on 20% of days. Onshore wind on 83% of days. Official warnings: 0. Eyewitness reports: 116.
  7. July: Usually moderate risk. High risk on 38% of days. Onshore wind on 81% of days. Official warnings: 1. Eyewitness reports: 114.
  8. August: Usually moderate risk. High risk on 32% of days. Onshore wind on 82% of days. Official warnings: 0. Eyewitness reports: 80.
  9. September: Usually moderate risk. High risk on 20% of days. Onshore wind on 76% of days. Official warnings: 0. Eyewitness reports: 92.
  10. October: Usually moderate risk. High risk on 18% of days. Onshore wind on 36% of days. Official warnings: 0. Eyewitness reports: 94.
  11. November: Usually moderate risk. High risk on 0% of days. Onshore wind on 25% of days. Official warnings: 0. Eyewitness reports: 47.
  12. December: Usually low risk. High risk on 0% of days. Onshore wind on 27% of days. Official warnings: 0. Eyewitness reports: 13.
  • Low
  • Moderate
  • High
  • Very high

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.

Jellyfish found here

All jellyfish species in Thailand →

Questions and answers

Are there jellyfish on the eastern Gulf coast right now?

Today across 45 beaches: moderate — 45. The highest estimate is in Koh Samet. 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 on the eastern Gulf coast?

Based on 2022–2026 weather, the risk on the eastern Gulf coast is most often elevated in July, August, September. Official DMCR warnings on these beaches: 2.

Which dangerous jellyfish occur on the eastern Gulf coast?

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.