Jellyfish at Long Beach (Hat Sai Yao, Koh Chang) Beach in December

December at Long Beach (Hat Sai Yao, Koh Chang) Beach is usually a calm month. The prevailing north wind of about 3.6 m/s is blowing offshore; mean waves 0.29 m, water 29.1 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in December: 0.

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

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

5-day outlook at Long Beach (Hat Sai Yao, Koh Chang) Beach →

Weather and sea in December

Wind3.6 m/s, north
Onshore wind-1.9 m/s
Waves0.29 m
Water29.1 °C
Rain21 mm · 4.3 days

Official cases nearby in December

No official warnings nearby in this month.

Nearby beaches this month

Jellyfish found here

Long Beach (Hat Sai Yao, Koh Chang): jellyfish month by month

  1. January: Usually moderate risk. High risk on 0% of days. Onshore wind on 39% of days. Official warnings: 0.
  2. February: Usually moderate risk. High risk on 4% of days. Onshore wind on 75% of days. Official warnings: 0.
  3. March: Usually moderate risk. High risk on 8% of days. Onshore wind on 88% of days. Official warnings: 0.
  4. April: Usually low risk. High risk on 0% of days. Onshore wind on 88% of days. Official warnings: 0.
  5. May: Usually moderate risk. High risk on 0% of days. Onshore wind on 80% of days. Official warnings: 0.
  6. June: Usually moderate risk. High risk on 27% of days. Onshore wind on 100% of days. Official warnings: 0.
  7. July: Usually moderate risk. High risk on 41% of days. Onshore wind on 98% of days. Official warnings: 0.
  8. August: Usually moderate risk. High risk on 48% of days. Onshore wind on 99% of days. Official warnings: 0.
  9. September: Usually moderate risk. High risk on 25% of days. Onshore wind on 91% of days. Official warnings: 0.
  10. October: Usually moderate risk. High risk on 23% of days. Onshore wind on 33% of days. Official warnings: 0.
  11. November: Usually moderate risk. High risk on 0% of days. Onshore wind on 8% of days. Official warnings: 0.
  12. December: Usually low risk. High risk on 0% of days. Onshore wind on 8% of days. Official warnings: 0.
  • 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.

Jellyfish in Koh Chang in December →

Questions and answers

Are there jellyfish at Long Beach (Hat Sai Yao, Koh Chang) Beach in December?

December at Long Beach (Hat Sai Yao, Koh Chang) Beach is usually a calm month. The prevailing north wind of about 3.6 m/s is blowing offshore; mean waves 0.29 m, water 29.1 °C. Based on 2022–2026 weather the model rates about 0% of days in this month as high risk. Official DMCR jellyfish warnings in December: 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.