Jellyfish at Ton Sai Bay Beach in May
May at Ton Sai Bay Beach is a month of moderate risk. The prevailing west wind of about 4.2 m/s is blowing offshore; mean waves 0.57 m, water 31.2 °C. Based on 2022–2026 weather the model rates about 11% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.
5-day outlook at Ton Sai Bay Beach →
Weather and sea in May
| Wind | 4.2 m/s, west |
|---|---|
| Onshore wind | -0.6 m/s |
| Waves | 0.57 m |
| Water | 31.2 °C |
| Rain | 281 mm · 26.2 days |
Official cases nearby in May
No official warnings nearby in this month.
Nearby beaches this month
- Loh Samah BayModerate
- Laem Tong BeachModerate
- Long Beach (Phi Phi)Moderate
- Loh Dalum BayModerate
- Maya BayModerate
- Pileh LagoonModerate
Jellyfish found here
Ton Sai Bay: jellyfish month by month
- 0%JanJanuary: Usually moderate risk. High risk on 0% of days. Onshore wind on 28% of days. Official warnings: 0.
- 0%Feb1February: Usually moderate risk. High risk on 0% of days. Onshore wind on 52% of days. Official warnings: 0. Eyewitness reports: 1.
- 1%MarMarch: Usually moderate risk. High risk on 1% of days. Onshore wind on 54% of days. Official warnings: 0.
- 14%AprApril: Usually moderate risk. High risk on 14% of days. Onshore wind on 39% of days. Official warnings: 0.
- 11%MayMay: Usually moderate risk. High risk on 11% of days. Onshore wind on 35% of days. Official warnings: 0.
- 8%JunJune: Usually moderate risk. High risk on 8% of days. Onshore wind on 32% of days. Official warnings: 0.
- 2%JulJuly: Usually moderate risk. High risk on 2% of days. Onshore wind on 28% of days. Official warnings: 0.
- 2%AugAugust: Usually moderate risk. High risk on 2% of days. Onshore wind on 30% of days. Official warnings: 0.
- 0%SepSeptember: Usually moderate risk. High risk on 0% of days. Onshore wind on 19% of days. Official warnings: 0.
- 0%OctOctober: Usually moderate risk. High risk on 0% of days. Onshore wind on 14% of days. Official warnings: 0.
- 0%Nov1November: Usually moderate risk. High risk on 0% of days. Onshore wind on 6% of days. Official warnings: 0. Eyewitness reports: 1.
- 0%DecDecember: Usually low risk. High risk on 0% of days. Onshore wind on 3% 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 Ton Sai Bay Beach in May?
May at Ton Sai Bay Beach is a month of moderate risk. The prevailing west wind of about 4.2 m/s is blowing offshore; mean waves 0.57 m, water 31.2 °C. Based on 2022–2026 weather the model rates about 11% 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.




