Jellyfish in Koh Samui in October

October in Koh Samui is a month of moderate risk. The prevailing north-west wind of about 2.2 m/s is blowing along the shore; mean waves 0.19 m, water 30.5 °C. Based on 2022–2026 weather the model rates about 1% of days in this month as high risk. Official DMCR jellyfish warnings in October: 0.

Typical risk this monthModerate
  • Low 16%
  • Moderate 83%
  • High 1%
  • Very high 0%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 1% of days are high or very high.

Risk in Koh Samui today →

Weather and sea in October

Wind2.2 m/s, north-west
Onshore wind0 m/s
Waves0.19 m
Water30.5 °C
Rain247 mm · 27.5 days

Beaches this month

BeachesTypical riskOnshore windDMCR
Bang Po BeachModerate0.50
Bophut BeachModerate0.20
Choeng Mon BeachModerate0.30
Lamai BeachModerate-0.70
Lipa Noi BeachModerate0.80
Maenam BeachModerate0.20
Chaweng BeachModerate-0.70
Chaweng Noi BeachModerate-0.60
Silver Beach (Thong Takian)Moderate-0.60
Taling Ngam BeachModerate0.60

Official cases in October

No official warnings nearby in this month.

Jellyfish found here

Koh Samui: jellyfish month by month

  1. January: Usually low risk. High risk on 0% of days. Onshore wind on 67% of days. Official warnings: 0. Eyewitness reports: 20.
  2. February: Usually moderate risk. High risk on 15% of days. Onshore wind on 50% of days. Official warnings: 0. Eyewitness reports: 29.
  3. March: Usually moderate risk. High risk on 32% of days. Onshore wind on 45% of days. Official warnings: 1. Eyewitness reports: 47.
  4. April: Usually moderate risk. High risk on 20% of days. Onshore wind on 44% of days. Official warnings: 0. Eyewitness reports: 27.
  5. May: Usually moderate risk. High risk on 2% of days. Onshore wind on 34% of days. Official warnings: 0. Eyewitness reports: 25.
  6. June: Usually low risk. High risk on 0% of days. Onshore wind on 23% of days. Official warnings: 0. Eyewitness reports: 25.
  7. July: Usually moderate risk. High risk on 1% of days. Onshore wind on 23% of days. Official warnings: 2. Eyewitness reports: 84.
  8. August: Usually moderate risk. High risk on 35% of days. Onshore wind on 23% of days. Official warnings: 0. Eyewitness reports: 111.
  9. September: Usually moderate risk. High risk on 4% of days. Onshore wind on 26% of days. Official warnings: 0. Eyewitness reports: 77.
  10. October: Usually moderate risk. High risk on 1% of days. Onshore wind on 53% of days. Official warnings: 0. Eyewitness reports: 73.
  11. November: Usually moderate risk. High risk on 2% of days. Onshore wind on 68% of days. Official warnings: 0. Eyewitness reports: 18.
  12. December: Usually low risk. High risk on 0% of days. Onshore wind on 76% of days. Official warnings: 0. Eyewitness reports: 18.
  • 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 Samui in October?

October in Koh Samui is a month of moderate risk. The prevailing north-west wind of about 2.2 m/s is blowing along the shore; mean waves 0.19 m, water 30.5 °C. Based on 2022–2026 weather the model rates about 1% of days in this month as high risk. Official DMCR jellyfish warnings in October: 0.

Where in Koh Samui is the jellyfish risk lowest in October?

Based on this month’s weather the risk is lowest at: Bang Po Beach, Bophut Beach, Choeng Mon Beach.

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.