Jellyfish at Tri Trang Beach

หาดไตรตรัง · Phuket · Andaman Sea

Risk today · 24 Oct 2026Moderate

Main factor: Steady onshore wind for 4 days

Conditions or reports nearby make an encounter more likely.

Today the jellyfish risk at Tri Trang Beach is moderate. Main factor: steady onshore wind for 4 days. In October it is usually moderate here. It is an estimate, not a guarantee: follow beach flags and lifeguards.

What to expect today

5-day outlook

  1. TodayModerate4 m/s NW — Wind: up to 4 m/s, blowing from NW. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.6 m — Waves: up to 0.6 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.13 mm — Rain: 13 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
  2. TomorrowModerate4 m/s NW — Wind: up to 4 m/s, blowing from NW. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.8 m — Waves: up to 0.8 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.20 mm — Rain: 20 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
  3. Mon 26Moderate3 m/s SW — Wind: up to 3 m/s, blowing from SW. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.1.0 m — Waves: up to 1.0 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.46 mm — Rain: 46 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
  4. Tue 27Moderate4 m/s SW — Wind: up to 4 m/s, blowing from SW. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.9 m — Waves: up to 0.9 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.49 mm — Rain: 49 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
  5. Wed 28Moderate2 m/s NE — Wind: up to 2 m/s, blowing from NE. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.5 m — Waves: up to 0.5 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.4 mm — Rain: 4 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
  6. Thu 29Low2 m/s NE — Wind: up to 2 m/s, blowing from NE. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.5 m — Waves: up to 0.5 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.3 mm — Rain: 3 mm in the day. Box jellyfish are more common near river mouths after heavy rain.

Why this level

  • Bluebottles (Portuguese man o’ war) Moderateraises risk
    above usual for the season · steady onshore wind for 4 days · calm sea
  • Other jellyfish and stinging plankton Lowraises risk
    above usual for the season · waves toward the shore · stronger wind than usual
  • Box jellyfish Lowusual background
    calm water and rain, usual for the season

It is not jellyfish season in Phuket, the wind blows from the sea (~1.8 m/s), stronger than usual, the wind has blown from the sea for 4 days in a row, which is how bluebottles usually arrive, moderate waves (~0.6 m), so the risk level is moderate. There are no recent jellyfish reports.

Recent reports

No recent reports.

Report jellyfish

At this beach now? Your report helps others. "No jellyfish today" is useful too.

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Seasonality

Bars show the baseline seasonal risk for this coast; dots show official warnings nearby by month.

Tri Trang: jellyfish month by month

  1. 4%Jan2January: Usually moderate risk. High risk on 4% of days. Onshore wind on 94% of days. Official warnings: 0. Eyewitness reports: 2.
  2. 11%FebFebruary: Usually moderate risk. High risk on 11% of days. Onshore wind on 94% of days. Official warnings: 0.
  3. 1%Mar12March: Usually moderate risk. High risk on 1% of days. Onshore wind on 83% of days. Official warnings: 1. Eyewitness reports: 2.
  4. 2%Apr3April: Usually moderate risk. High risk on 2% of days. Onshore wind on 78% of days. Official warnings: 0. Eyewitness reports: 3.
  5. 20%May21May: Usually moderate risk. High risk on 20% of days. Onshore wind on 54% of days. Official warnings: 2. Eyewitness reports: 1.
  6. 29%Jun22June: Usually moderate risk. High risk on 29% of days. Onshore wind on 42% of days. Official warnings: 2. Eyewitness reports: 2.
  7. 20%Jul23July: Usually moderate risk. High risk on 20% of days. Onshore wind on 31% of days. Official warnings: 2. Eyewitness reports: 3.
  8. 26%Aug15August: Usually moderate risk. High risk on 26% of days. Onshore wind on 44% of days. Official warnings: 1. Eyewitness reports: 5.
  9. 11%Sep11September: Usually moderate risk. High risk on 11% of days. Onshore wind on 49% of days. Official warnings: 1. Eyewitness reports: 1.
  10. 1%Oct9October: Usually moderate risk. High risk on 1% of days. Onshore wind on 84% of days. Official warnings: 0. Eyewitness reports: 9.
  11. 0%Nov2November: Usually low risk. High risk on 0% of days. Onshore wind on 96% of days. Official warnings: 0. Eyewitness reports: 2.
  12. 0%DecDecember: Usually moderate risk. High risk on 0% of days. Onshore wind on 97% of days. Official warnings: 0.
  • typical level that month
  • bar and % — share of high-risk days
  • nofficial warnings, all years
  • neyewitness reports, all years

Coordinates: 7.8872, 98.2740

Questions and answers

Can I swim at Tri Trang Beach today?

Today's estimated risk is moderate; main factor: steady onshore wind for 4 days. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.

Have jellyfish been seen at Tri Trang Beach recently?

No reports in the last 14 days. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.

In which months are jellyfish more likely at Tri Trang Beach?

Based on 2022–2026 weather, the risk is most often elevated in June, July, August. Official warnings nearby: 9.

Who do I call after a jellyfish sting?

Emergency medical services in Thailand: 1669 (free). Alert the beach lifeguard; if a box jellyfish is possible, pour vinegar over the sting for at least 30 seconds.