Jellyfish in Koh Samet in May

May in Koh Samet 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 0.38 m, water 31.5 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.

Typical risk this monthModerate
  • Low 49%
  • Moderate 51%
  • High 0%
  • Very high 0%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 0% of days are high or very high.

Risk in Koh Samet today →

Weather and sea in May

Wind3.2 m/s, south-west
Onshore wind0.7 m/s
Waves0.38 m
Water31.5 °C
Rain214 mm · 23.7 days

Beaches this month

BeachesTypical riskOnshore windDMCR
Ao ChoLow-0.10
Ao Hin KhokLow1.30
Ao PhaiModerate0.60
Ao Thian (Candlelight Beach)Moderate0.40
Ao Wong DuanModerate0.40
Sai Kaew Beach (Koh Samet)Moderate1.40
Ao PraoLow1.10

Official cases in May

No official warnings nearby in this month.

Jellyfish found here

Koh Samet: jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 51% of days. Official warnings: 0. Eyewitness reports: 1.
  2. February: Usually moderate risk. High risk on 10% of days. Onshore wind on 66% of days. Official warnings: 0. Eyewitness reports: 2.
  3. March: Usually moderate risk. High risk on 12% of days. Onshore wind on 88% of days. Official warnings: 0. Eyewitness reports: 3.
  4. April: Usually low risk. High risk on 0% of days. Onshore wind on 94% of days. Official warnings: 0. Eyewitness reports: 1.
  5. May: Usually moderate risk. High risk on 0% of days. Onshore wind on 77% of days. Official warnings: 0.
  6. June: Usually moderate risk. High risk on 4% of days. Onshore wind on 51% of days. Official warnings: 0. Eyewitness reports: 5.
  7. July: Usually moderate risk. High risk on 30% of days. Onshore wind on 44% of days. Official warnings: 0.
  8. August: Usually moderate risk. High risk on 35% of days. Onshore wind on 50% of days. Official warnings: 0.
  9. September: Usually moderate risk. High risk on 13% of days. Onshore wind on 45% of days. Official warnings: 0. Eyewitness reports: 2.
  10. October: Usually moderate risk. High risk on 10% of days. Onshore wind on 43% of days. Official warnings: 0. Eyewitness reports: 1.
  11. November: Usually low risk. High risk on 0% of days. Onshore wind on 37% of days. Official warnings: 0. Eyewitness reports: 2.
  12. December: Usually low risk. High risk on 0% of days. Onshore wind on 28% of days. Official warnings: 0. Eyewitness reports: 1.
  • 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 Samet in May?

May in Koh Samet 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 0.38 m, water 31.5 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in May: 0.

Where in Koh Samet is the jellyfish risk lowest in May?

Based on this month’s weather the risk is lowest at: Ao Cho, Ao Hin Khok, Ao Phai.

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.