Jellyfish at Ton Sai Bay Beach in January
January at Ton Sai Bay Beach is a month of moderate risk. The prevailing north-east wind of about 5.2 m/s is blowing offshore; mean waves 0.34 m, water 28.8 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in January: 0.
5-day outlook at Ton Sai Bay Beach →
Weather and sea in January
| Wind | 5.2 m/s, north-east |
|---|---|
| Onshore wind | -0.6 m/s |
| Waves | 0.34 m |
| Water | 28.8 °C |
| Rain | 20 mm · 6 days |
Official cases nearby in January
No official warnings nearby in this month.
Nearby beaches this month
- Laem Tong BeachModerate
- Loh Dalum BayModerate
- Loh Samah BayModerate
- Long Beach (Phi Phi)Moderate
- Maya BayModerate
- Pileh LagoonModerate
Jellyfish found here
This is the dry-season jellyfish period: large rhizostome jellyfish, lilac medusae and stinging plankton. Bluebottles are rare on the Andaman coast at this time.
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 January?
January at Ton Sai Bay Beach is a month of moderate risk. The prevailing north-east wind of about 5.2 m/s is blowing offshore; mean waves 0.34 m, water 28.8 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in January: 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.




