Jellyfish at Pratumnak (Cosy) Beach in September
September at Pratumnak (Cosy) Beach is a month of moderate risk. The prevailing south-west wind of about 3.2 m/s is blowing from the sea onto the beach; mean waves 0.37 m, water 30 °C. Based on 2022–2026 weather the model rates about 5% of days in this month as high risk. Official DMCR jellyfish warnings in September: 0.
5-day outlook at Pratumnak (Cosy) Beach →
Weather and sea in September
| Wind | 3.2 m/s, south-west |
|---|---|
| Onshore wind | 0.7 m/s |
| Waves | 0.37 m |
| Water | 30 °C |
| Rain | 281 mm · 25.6 days |
Official cases nearby in September
No official warnings nearby in this month.
Nearby beaches this month
- Na Jomtien BeachModerate
- Sai Kaew Beach (Sattahip)Moderate
- Bang Saray BeachModerate
- Jomtien BeachModerate
- Pattaya BeachModerate
- Wong Amat Beach (Naklua)Moderate
Jellyfish found here
Pratumnak (Cosy) Beach: jellyfish month by month
- 0%JanJanuary: Usually low risk. High risk on 0% of days. Onshore wind on 33% of days. Official warnings: 0.
- 4%Feb1February: Usually low risk. High risk on 4% of days. Onshore wind on 25% of days. Official warnings: 0. Eyewitness reports: 1.
- 3%Mar1March: Usually moderate risk. High risk on 3% of days. Onshore wind on 8% of days. Official warnings: 0. Eyewitness reports: 1.
- 0%Apr2April: Usually low risk. High risk on 0% of days. Onshore wind on 3% of days. Official warnings: 0. Eyewitness reports: 2.
- 0%MayMay: Usually low risk. High risk on 0% of days. Onshore wind on 31% of days. Official warnings: 0.
- 44%Jun2June: Usually moderate risk. High risk on 44% of days. Onshore wind on 83% of days. Official warnings: 0. Eyewitness reports: 2.
- 57%Jul5July: Usually high risk. High risk on 57% of days. Onshore wind on 83% of days. Official warnings: 0. Eyewitness reports: 5.
- 5%Aug4August: Usually moderate risk. High risk on 5% of days. Onshore wind on 81% of days. Official warnings: 0. Eyewitness reports: 4.
- 5%Sep1September: Usually moderate risk. High risk on 5% of days. Onshore wind on 71% of days. Official warnings: 0. Eyewitness reports: 1.
- 7%OctOctober: Usually moderate risk. High risk on 7% of days. Onshore wind on 32% of days. Official warnings: 0.
- 0%NovNovember: Usually low risk. High risk on 0% of days. Onshore wind on 26% of days. Official warnings: 0.
- 0%DecDecember: Usually low risk. High risk on 0% of days. Onshore wind on 30% 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 Pratumnak (Cosy) Beach in September?
September at Pratumnak (Cosy) Beach is a month of moderate risk. The prevailing south-west wind of about 3.2 m/s is blowing from the sea onto the beach; mean waves 0.37 m, water 30 °C. Based on 2022–2026 weather the model rates about 5% of days in this month as high risk. Official DMCR jellyfish warnings in September: 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.




