Jellyfish at Narathat Beach
หาดนราทัศน์ · Narathiwat · Gulf of Thailand
Main factor: Rain
Conditions or reports nearby make an encounter more likely.
Today the jellyfish risk at Narathat Beach is moderate. Main factor: rain. In October it is usually moderate here. It is an estimate, not a guarantee: follow beach flags and lifeguards.
What to expect today
- Bluebottles (Portuguese man o’ war)Moderate
5-day outlook
- TodayModerate3 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.0.2 m — Waves: up to 0.2 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.
- TomorrowLow2 m/s W — Wind: up to 2 m/s, blowing from W. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.2 m — Waves: up to 0.2 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.8 mm — Rain: 8 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Tue 27Low3 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.0.2 m — Waves: up to 0.2 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.24 mm — Rain: 24 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Wed 28Low3 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.0.4 m — Waves: up to 0.4 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.6 mm — Rain: 6 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Thu 29Moderate4 m/s S — Wind: up to 4 m/s, blowing from S. 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.
- Fri 30Moderate4 m/s SE — Wind: up to 4 m/s, blowing from SE. 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: Moderate Bluebottles (Portuguese man o’ war)
- Bluebottles (Portuguese man o’ war) Moderateraises riskabove usual for the season · rain · stronger wind than usual
- Other jellyfish and stinging plankton Lowlowers riskbelow usual for the season
- Box jellyfish Lowlowers riskbelow usual for the season
October is an average month for jellyfish on the southern Gulf coast, the wind blows from the sea (~-1.4 m/s), the sea is calm (waves ~0.2 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.

Seasonality
Narathat: jellyfish month by month
- January: Usually moderate risk. High risk on 7% of days. Onshore wind on 79% of days. Official warnings: 1. Eyewitness reports: 1.
- February: Usually moderate risk. High risk on 2% of days. Onshore wind on 83% of days. Official warnings: 0. Eyewitness reports: 1.
- March: Usually moderate risk. High risk on 8% of days. Onshore wind on 80% of days. Official warnings: 0.
- April: Usually low risk. High risk on 0% of days. Onshore wind on 59% of days. Official warnings: 0.
- May: Usually low risk. High risk on 0% of days. Onshore wind on 28% of days. Official warnings: 0.
- June: Usually moderate risk. High risk on 0% of days. Onshore wind on 12% of days. Official warnings: 0. Eyewitness reports: 1.
- July: Usually moderate risk. High risk on 23% of days. Onshore wind on 12% of days. Official warnings: 0.
- August: Usually moderate risk. High risk on 14% of days. Onshore wind on 5% of days. Official warnings: 0.
- September: Usually moderate risk. High risk on 5% of days. Onshore wind on 5% of days. Official warnings: 0.
- October: Usually moderate risk. High risk on 12% of days. Onshore wind on 37% of days. Official warnings: 0.
- November: Usually moderate risk. High risk on 10% of days. Onshore wind on 59% of days. Official warnings: 0.
- December: Usually moderate risk. High risk on 10% of days. Onshore wind on 81% 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.
Coordinates: 6.4518, 101.8339
Questions and answers
Can I swim at Narathat Beach today?
Today's estimated risk is moderate; main factor: 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 Narathat 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 Narathat Beach?
Based on 2022–2026 weather, the risk is most often elevated in July, August, September. Official warnings nearby: 1.
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.