Jellyfish in the Gulf of Thailand in July

July in the Gulf of Thailand is a month of moderate risk. The prevailing wind of about 3.9 m/s is blowing along the shore; mean waves 0.45 m, water 30.3 °C. Based on 2022–2026 weather the model rates about 25% of days in this month as high risk. Official DMCR jellyfish warnings in July: 4.

Typical risk this monthModerate
  • Low 0%
  • Moderate 75%
  • High 21%
  • Very high 4%

How the days of this month split by risk level (2022–2026 weather). A typical day is moderate; 25% of days are high or very high.

Risk today by beach

Wind3.9 m/s
Onshore wind0.23 m/s
Waves0.45 m
Water30.3 °C
Rain282.5 mm · 23.7 days

Areas this month

Official cases in July

  1. DMCR
    Bang Hoi Beach · หาดบางหอย อ.สิงหนคร จ.สงขลา
  2. DMCR
    Chao Lao Beach · หาดเจ้าหลาว จ.จันทบุรี
    box jellyfish
  3. DMCR
    Haad Rin (Sunrise Beach) · เกาะพะงัน จ.สุราษฎร์ธานี
    bluebottle (Portuguese man o’ war), box jellyfish, other
  4. DMCR
    Lamai Beach · เกาะสมุย จ.สุราษฎร์ธานี
    bluebottle (Portuguese man o’ war), box jellyfish, other

Jellyfish found here

Gulf of Thailand: jellyfish month by month

  1. 0%Jan576January: Usually moderate risk. High risk on 0% of days. Onshore wind on 56% of days. Official warnings: 5. Eyewitness reports: 76.
  2. 8%Feb399+February: Usually moderate risk. High risk on 8% of days. Onshore wind on 60% of days. Official warnings: 3. Eyewitness reports: 217.
  3. 13%Mar199+March: Usually moderate risk. High risk on 13% of days. Onshore wind on 61% of days. Official warnings: 1. Eyewitness reports: 157.
  4. 2%Apr179April: Usually moderate risk. High risk on 2% of days. Onshore wind on 59% of days. Official warnings: 1. Eyewitness reports: 79.
  5. 0%May53May: Usually moderate risk. High risk on 0% of days. Onshore wind on 51% of days. Official warnings: 0. Eyewitness reports: 53.
  6. 9%Jun99+June: Usually moderate risk. High risk on 9% of days. Onshore wind on 50% of days. Official warnings: 0. Eyewitness reports: 171.
  7. 25%Jul499+July: Usually moderate risk. High risk on 25% of days. Onshore wind on 49% of days. Official warnings: 4. Eyewitness reports: 226.
  8. 23%Aug199+August: Usually moderate risk. High risk on 23% of days. Onshore wind on 49% of days. Official warnings: 1. Eyewitness reports: 317.
  9. 11%Sep99+September: Usually moderate risk. High risk on 11% of days. Onshore wind on 47% of days. Official warnings: 0. Eyewitness reports: 215.
  10. 13%Oct99+October: Usually moderate risk. High risk on 13% of days. Onshore wind on 41% of days. Official warnings: 0. Eyewitness reports: 273.
  11. 2%Nov99+November: Usually moderate risk. High risk on 2% of days. Onshore wind on 44% of days. Official warnings: 0. Eyewitness reports: 101.
  12. 1%Dec66December: Usually low risk. High risk on 1% of days. Onshore wind on 49% of days. Official warnings: 0. Eyewitness reports: 66.

Questions and answers

Are there jellyfish in the Gulf of Thailand in July?

Based on 2022–2026 weather, in July the risk in the Gulf of Thailand was high on 25% of days and the wind blew from the sea on 49% of days. Official DMCR warnings in this month over all years: 4. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.

When is jellyfish season in the Gulf of Thailand?

The risk is most often elevated in July, August, September.

What should I do if a jellyfish stings me 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.