Jellyfish at Koh Tha Rai Beach in May
May at Koh Tha Rai Beach is usually a calm month. The prevailing south-west wind of about 3 m/s is blowing offshore; mean waves 0.23 m, water 31.7 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.
5-day outlook at Koh Tha Rai Beach →
Weather and sea in May
| Wind | 3 m/s, south-west |
|---|---|
| Onshore wind | -1.3 m/s |
| Waves | 0.23 m |
| Water | 31.7 °C |
| Rain | 191 mm · 23 days |
Official cases nearby in May
No official warnings nearby in this month.
Nearby beaches this month
Jellyfish found here
Koh Tha Rai: jellyfish month by month
- 0%Jan11January: Usually moderate risk. High risk on 0% of days. Onshore wind on 60% of days. Official warnings: 1. Eyewitness reports: 1.
- 9%FebFebruary: Usually moderate risk. High risk on 9% of days. Onshore wind on 18% of days. Official warnings: 0.
- 12%MarMarch: Usually moderate risk. High risk on 12% of days. Onshore wind on 10% of days. Official warnings: 0.
- 0%AprApril: Usually moderate risk. High risk on 0% of days. Onshore wind on 17% of days. Official warnings: 0.
- 0%MayMay: Usually low risk. High risk on 0% of days. Onshore wind on 8% of days. Official warnings: 0.
- 0%JunJune: Usually moderate risk. High risk on 0% of days. Onshore wind on 1% of days. Official warnings: 0.
- 15%JulJuly: Usually moderate risk. High risk on 15% of days. Onshore wind on 0% of days. Official warnings: 0.
- 6%AugAugust: Usually moderate risk. High risk on 6% of days. Onshore wind on 0% of days. Official warnings: 0.
- 3%SepSeptember: Usually moderate risk. High risk on 3% of days. Onshore wind on 3% of days. Official warnings: 0.
- 2%OctOctober: Usually moderate risk. High risk on 2% of days. Onshore wind on 42% of days. Official warnings: 0.
- 1%NovNovember: Usually moderate risk. High risk on 1% of days. Onshore wind on 72% of days. Official warnings: 0.
- 0%DecDecember: Usually moderate risk. High risk on 0% of days. Onshore wind on 92% of days. Official warnings: 0.
- typical level that month
- bar and % — share of high-risk days
- nofficial warnings, all years
- neyewitness reports, all years
Questions and answers
Are there jellyfish at Koh Tha Rai Beach in May?
May at Koh Tha Rai Beach is usually a calm month. The prevailing south-west wind of about 3 m/s is blowing offshore; mean waves 0.23 m, water 31.7 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.
What to do if a jellyfish stings you 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.




