Jellyfish in Similan Islands

Today no beach in Similan Islands has a high jellyfish risk: the highest level is low. It is an estimate, not a guarantee: follow beach flags and lifeguards.

Phang Nga · Andaman Sea · 1 beach in this area. Level is today's estimated risk.

LowModerateHighVery high

Beaches

Similan Islands: jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 23% of days. Official warnings: 0.
  2. February: Usually moderate risk. High risk on 0% of days. Onshore wind on 35% of days. Official warnings: 0.
  3. March: Usually moderate risk. High risk on 7% of days. Onshore wind on 47% of days. Official warnings: 0.
  4. April: Usually moderate risk. High risk on 31% of days. Onshore wind on 71% of days. Official warnings: 0.
  5. May: Usually moderate risk. High risk on 37% of days. Onshore wind on 68% of days. Official warnings: 0.
  6. June: Usually moderate risk. High risk on 0% of days. Onshore wind on 93% of days. Official warnings: 0.
  7. July: Usually moderate risk. High risk on 1% of days. Onshore wind on 94% of days. Official warnings: 0.
  8. August: Usually moderate risk. High risk on 1% of days. Onshore wind on 94% of days. Official warnings: 0.
  9. September: Usually moderate risk. High risk on 6% of days. Onshore wind on 96% of days. Official warnings: 0.
  10. October: Usually moderate risk. High risk on 3% of days. Onshore wind on 77% of days. Official warnings: 0.
  11. November: Usually moderate risk. High risk on 1% of days. Onshore wind on 39% of days. Official warnings: 0.
  12. December: Usually low risk. High risk on 0% of days. Onshore wind on 16% of days. Official warnings: 0.
  • 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.

Report jellyfish

Questions and answers

Are there jellyfish in Similan Islands right now?

Today across 1 beach: low — 1. The highest risk is at Donald Duck Bay (Ao Kuerk, Koh 8) (calm water and rain). 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 Similan Islands?

Based on 2022–2026 weather, the risk in Similan Islands is most often elevated in March, April, May. Official DMCR warnings nearby: 0.

Which dangerous jellyfish occur in Similan Islands?

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.