Jellyfish at Nai Thon Beach in January
January at Nai Thon Beach is a month of moderate risk. The prevailing east wind of about 3.2 m/s is blowing offshore; mean waves 0.41 m, water 28.9 °C. Based on 2022–2026 weather the model rates about 9% of days in this month as high risk. Official DMCR jellyfish warnings in January: 0.
5-day outlook at Nai Thon Beach →
Weather and sea in January
| Wind | 3.2 m/s, east |
|---|---|
| Onshore wind | -2.4 m/s |
| Waves | 0.41 m |
| Water | 28.9 °C |
| Rain | 48 mm · 10.4 days |
Official cases nearby in January
No official warnings nearby in this month.
Nearby beaches this month
- Ao La / Ao Thue (Koh Racha Yai)Moderate
- Bang Tao BeachModerate
- Freedom BeachModerate
- Kalim BeachModerate
- Kamala BeachModerate
- Karon BeachModerate
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.
Nai Thon Beach: jellyfish month by month
- January: Usually moderate risk. High risk on 9% of days. Onshore wind on 4% of days. Official warnings: 0. Eyewitness reports: 10.
- February: Usually moderate risk. High risk on 13% of days. Onshore wind on 12% of days. Official warnings: 0. Eyewitness reports: 5.
- March: Usually moderate risk. High risk on 5% of days. Onshore wind on 23% of days. Official warnings: 0. Eyewitness reports: 10.
- April: Usually moderate risk. High risk on 9% of days. Onshore wind on 61% of days. Official warnings: 0. Eyewitness reports: 5.
- May: Usually moderate risk. High risk on 40% of days. Onshore wind on 73% of days. Official warnings: 1. Eyewitness reports: 6.
- June: Usually moderate risk. High risk on 28% of days. Onshore wind on 95% of days. Official warnings: 0. Eyewitness reports: 8.
- July: Usually moderate risk. High risk on 16% of days. Onshore wind on 97% of days. Official warnings: 0. Eyewitness reports: 7.
- August: Usually moderate risk. High risk on 22% of days. Onshore wind on 99% of days. Official warnings: 0. Eyewitness reports: 1.
- September: Usually moderate risk. High risk on 15% of days. Onshore wind on 95% of days. Official warnings: 1. Eyewitness reports: 34.
- October: Usually moderate risk. High risk on 8% of days. Onshore wind on 74% of days. Official warnings: 0. Eyewitness reports: 1.
- November: Usually low risk. High risk on 0% of days. Onshore wind on 25% of days. Official warnings: 0. Eyewitness reports: 1.
- December: Usually moderate risk. High risk on 2% of days. Onshore wind on 3% of days. Official warnings: 0. Eyewitness reports: 7.
- 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 at Nai Thon Beach in January?
January at Nai Thon Beach is a month of moderate risk. The prevailing east wind of about 3.2 m/s is blowing offshore; mean waves 0.41 m, water 28.9 °C. Based on 2022–2026 weather the model rates about 9% 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.




