Jellyfish in Koh Lanta in April

April in Koh Lanta is a month of moderate risk. The prevailing north-west wind of about 3.1 m/s is blowing along the shore; mean waves 0.25 m, water 31.1 °C. Based on 2022–2026 weather the model rates about 18% of days in this month as high risk. Official DMCR jellyfish warnings in April: 1.

Typical risk this monthModerate
  • Low 1%
  • Moderate 82%
  • High 18%
  • Very high 0%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 18% of days are high or very high.

Risk in Koh Lanta today →

Weather and sea in April

Wind3.1 m/s, north-west
Onshore wind0.1 m/s
Waves0.25 m
Water31.1 °C
Rain131 mm · 19.5 days

Beaches this month

BeachesTypical riskOnshore windDMCR
Bamboo BayModerate0.20
Kantiang BayModerate0.10
Klong Dao BeachModerate0.21
Klong Jaak BeachModerate-0.10
Klong Khong BeachModerate0.21
Klong Nin BeachModerate0.21
Long Beach (Phra Ae)Moderate0.21
Nui Beach (Koh Lanta)Moderate00

Official cases in April

  1. DMCR
    Klong Dao Beach · เกาะลันตา จ.กระบี่
    bluebottle (Portuguese man o’ war), box jellyfish, other

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 Lanta: jellyfish month by month

  1. January: Usually moderate risk. High risk on 2% of days. Onshore wind on 1% of days. Official warnings: 0. Eyewitness reports: 6.
  2. February: Usually moderate risk. High risk on 1% of days. Onshore wind on 5% of days. Official warnings: 0. Eyewitness reports: 12.
  3. March: Usually moderate risk. High risk on 1% of days. Onshore wind on 17% of days. Official warnings: 0. Eyewitness reports: 8.
  4. April: Usually moderate risk. High risk on 18% of days. Onshore wind on 58% of days. Official warnings: 1. Eyewitness reports: 11.
  5. May: Usually moderate risk. High risk on 24% of days. Onshore wind on 71% of days. Official warnings: 0. Eyewitness reports: 4.
  6. June: Usually moderate risk. High risk on 1% of days. Onshore wind on 95% of days. Official warnings: 0. Eyewitness reports: 19.
  7. July: Usually moderate risk. High risk on 0% of days. Onshore wind on 98% of days. Official warnings: 0. Eyewitness reports: 6.
  8. August: Usually moderate risk. High risk on 0% of days. Onshore wind on 99% of days. Official warnings: 0. Eyewitness reports: 3.
  9. September: Usually moderate risk. High risk on 2% of days. Onshore wind on 96% of days. Official warnings: 0. Eyewitness reports: 2.
  10. October: Usually moderate risk. High risk on 0% of days. Onshore wind on 63% of days. Official warnings: 0.
  11. November: Usually moderate risk. High risk on 2% of days. Onshore wind on 22% of days. Official warnings: 0. Eyewitness reports: 5.
  12. December: Usually low risk. High risk on 1% of days. Onshore wind on 1% of days. Official warnings: 0. Eyewitness reports: 12.
  • 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 Lanta in April?

April in Koh Lanta is a month of moderate risk. The prevailing north-west wind of about 3.1 m/s is blowing along the shore; mean waves 0.25 m, water 31.1 °C. Based on 2022–2026 weather the model rates about 18% of days in this month as high risk. Official DMCR jellyfish warnings in April: 1.

Where in Koh Lanta is the jellyfish risk lowest in April?

Based on this month’s weather the risk is lowest at: Bamboo Bay, Kantiang Bay, Klong Dao 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.