Jellyfish at Ya Nui Beach
หาดยะนุ้ย · Phuket · Andaman Sea
Main factor: Calm water and rain
No jellyfish reports; conditions are typical for the season.
Today the jellyfish risk at Ya Nui Beach is low. Main factor: calm water and rain. In October it is usually moderate here. It is an estimate, not a guarantee: follow beach flags and lifeguards.
What to expect today
- Box jellyfishLow
5-day outlook
- TodayLow6 m/s NW — Wind: up to 6 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.12 mm — Rain: 12 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- 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.23 mm — Rain: 23 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Mon 26Moderate3 m/s W — Wind: up to 3 m/s, blowing from W. 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.42 mm — Rain: 42 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- 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.58 mm — Rain: 58 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Wed 28Moderate3 m/s NE — Wind: up to 3 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.
- Thu 29Low3 m/s NE — Wind: up to 3 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
Total: Low Box jellyfish
- Box jellyfish Lowlowers riskbelow usual for the season
- Other jellyfish and stinging plankton Lowraises riskabove usual for the season · waves toward the shore · stronger wind than usual
- Bluebottles (Portuguese man o’ war) Lowlowers riskbelow usual for the season
It is not jellyfish season on Phuket's west coast, the wind blows from the sea (~2.6 m/s), stronger than usual, moderate waves (~0.6 m), so the risk level is low. 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.

Seasonality
Ya Nui: jellyfish month by month
- 9%Jan6January: Usually moderate risk. High risk on 9% of days. Onshore wind on 4% of days. Official warnings: 0. Eyewitness reports: 6.
- 14%Feb5February: Usually moderate risk. High risk on 14% of days. Onshore wind on 11% of days. Official warnings: 0. Eyewitness reports: 5.
- 6%Mar210March: Usually moderate risk. High risk on 6% of days. Onshore wind on 17% of days. Official warnings: 2. Eyewitness reports: 10.
- 9%Apr13April: Usually moderate risk. High risk on 9% of days. Onshore wind on 56% of days. Official warnings: 0. Eyewitness reports: 13.
- 40%May24May: Usually moderate risk. High risk on 40% of days. Onshore wind on 69% of days. Official warnings: 2. Eyewitness reports: 4.
- 35%Jun3June: Usually moderate risk. High risk on 35% of days. Onshore wind on 94% of days. Official warnings: 3.
- 16%Jul2July: Usually moderate risk. High risk on 16% of days. Onshore wind on 95% of days. Official warnings: 2.
- 19%Aug1August: Usually moderate risk. High risk on 19% of days. Onshore wind on 95% of days. Official warnings: 1.
- 10%Sep1September: Usually moderate risk. High risk on 10% of days. Onshore wind on 95% of days. Official warnings: 1.
- 5%OctOctober: Usually moderate risk. High risk on 5% of days. Onshore wind on 77% of days. Official warnings: 0.
- 0%Nov2November: Usually moderate risk. High risk on 0% of days. Onshore wind on 29% of days. Official warnings: 0. Eyewitness reports: 2.
- 1%Dec11December: Usually moderate risk. High risk on 1% of days. Onshore wind on 6% of days. Official warnings: 1. Eyewitness reports: 1.
- typical level that month
- bar and % — share of high-risk days
- nofficial warnings, all years
- neyewitness reports, all years
Coordinates: 7.7679, 98.3051
Questions and answers
Can I swim at Ya Nui Beach today?
Today's estimated risk is low; main factor: calm water and rain. 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 Ya Nui 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 Ya Nui Beach?
Based on 2022–2026 weather, the risk is most often elevated in May, June, July. Official warnings nearby: 12.
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.