Jellyfish in Koh Wai
Today no beach in Koh Wai has a high jellyfish risk: the highest level is moderate (1 of 1). It is an estimate, not a guarantee: follow beach flags and lifeguards.
Trat · Gulf of Thailand · 1 beach in this area. Level is today's estimated risk.

Beaches
Koh Wai: jellyfish month by month
- January: Usually moderate risk. High risk on 0% of days. Onshore wind on 62% of days. Official warnings: 0.
- February: Usually moderate risk. High risk on 14% of days. Onshore wind on 30% of days. Official warnings: 0.
- March: Usually moderate risk. High risk on 17% of days. Onshore wind on 9% of days. Official warnings: 0.
- April: Usually low risk. High risk on 0% of days. Onshore wind on 11% of days. Official warnings: 1.
- May: Usually moderate risk. High risk on 0% of days. Onshore wind on 10% of days. Official warnings: 0.
- June: Usually moderate risk. High risk on 20% of days. Onshore wind on 0% of days. Official warnings: 0.
- July: Usually moderate risk. High risk on 39% of days. Onshore wind on 0% of days. Official warnings: 0.
- August: Usually moderate risk. High risk on 38% of days. Onshore wind on 0% of days. Official warnings: 0.
- September: Usually moderate risk. High risk on 21% of days. Onshore wind on 7% of days. Official warnings: 0.
- October: Usually moderate risk. High risk on 10% of days. Onshore wind on 69% of days. Official warnings: 0.
- November: Usually low risk. High risk on 0% of days. Onshore wind on 87% of days. Official warnings: 0. Eyewitness reports: 1.
- December: Usually low risk. High risk on 0% of days. Onshore wind on 94% 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.
Questions and answers
Are there jellyfish in Koh Wai right now?
Today across 1 beach: moderate — 1. The highest risk is at Koh Wai (jellyfish season in this area). 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 Wai?
Based on 2022–2026 weather, the risk in Koh Wai is most often elevated in July, August, September. Official DMCR warnings nearby: 1.
Which dangerous jellyfish occur in Koh Wai?
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.