Jellyfish in Koh Chang (Ranong) in February
February in Koh Chang (Ranong) is a month of moderate risk. The prevailing north-east wind of about 4.1 m/s is blowing offshore; mean waves 0.22 m, water 29.1 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in February: 0.
Risk in Koh Chang (Ranong) today →
Weather and sea in February
| Wind | 4.1 m/s, north-east |
|---|---|
| Onshore wind | -2.4 m/s |
| Waves | 0.22 m |
| Water | 29.1 °C |
| Rain | 23 mm · 6 days |
Beaches this month
| Beaches | Typical risk | Onshore wind | DMCR |
|---|---|---|---|
| Ao Siad (Koh Chang Ranong) | Moderate | -2.7 | 0 |
| Ao Yai (Koh Chang Ranong) | Moderate | -2 | 0 |
Official cases in February
No official warnings nearby in this month.
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.
Koh Chang (Ranong): jellyfish month by month
- January: Usually moderate risk. High risk on 0% of days. Onshore wind on 4% of days. Official warnings: 0.
- February: Usually moderate risk. High risk on 0% of days. Onshore wind on 8% of days. Official warnings: 0.
- March: Usually moderate risk. High risk on 0% of days. Onshore wind on 17% of days. Official warnings: 0.
- April: Usually moderate risk. High risk on 9% of days. Onshore wind on 51% of days. Official warnings: 0.
- May: Usually moderate risk. High risk on 33% of days. Onshore wind on 74% of days. Official warnings: 0.
- June: Usually moderate risk. High risk on 14% of days. Onshore wind on 99% of days. Official warnings: 0.
- July: Usually moderate risk. High risk on 2% of days. Onshore wind on 98% of days. Official warnings: 0.
- August: Usually moderate risk. High risk on 1% of days. Onshore wind on 100% of days. Official warnings: 0.
- September: Usually moderate risk. High risk on 4% of days. Onshore wind on 97% of days. Official warnings: 0.
- October: Usually moderate risk. High risk on 0% of days. Onshore wind on 56% of days. Official warnings: 0.
- November: Usually moderate risk. High risk on 0% of days. Onshore wind on 17% of days. Official warnings: 0.
- December: Usually moderate risk. High risk on 0% of days. Onshore wind on 0% 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 Chang (Ranong) in February?
February in Koh Chang (Ranong) is a month of moderate risk. The prevailing north-east wind of about 4.1 m/s is blowing offshore; mean waves 0.22 m, water 29.1 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in February: 0.
Where in Koh Chang (Ranong) is the jellyfish risk lowest in February?
Based on this month’s weather the risk is lowest at: Ao Siad (Koh Chang Ranong), Ao Yai (Koh Chang Ranong).
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.




