Jellyfish at Bang Hoi Beach
หาดบางหอย · Songkhla · Gulf of Thailand
Main factor: Stronger wind than usual
Conditions or reports nearby make an encounter more likely.
Today the jellyfish risk at Bang Hoi Beach is moderate. Main factor: stronger wind than usual. 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
- Other jellyfish and stinging planktonModerate
5-day outlook
- TodayModerate4 m/s W — Wind: up to 4 m/s, blowing from W. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.1 m — Waves: up to 0.1 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.
- TomorrowModerate4 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.0.1 m — Waves: up to 0.1 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.19 mm — Rain: 19 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Mon 26Moderate4 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.0.1 m — Waves: up to 0.1 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.18 mm — Rain: 18 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Tue 27Moderate3 m/s SE — Wind: up to 3 m/s, blowing from SE. The arrow shows where it blows to. Onshore wind pushes jellyfish to the beach.0.1 m — Waves: up to 0.1 m during the day. Strong onshore waves wash jellyfish ashore; box jellyfish prefer calm water.15 mm — Rain: 15 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Wed 28Moderate3 m/s N — Wind: up to 3 m/s, blowing from N. 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.8 mm — Rain: 8 mm in the day. Box jellyfish are more common near river mouths after heavy rain.
- Thu 29High3 m/s N — Wind: up to 3 m/s, blowing from N. 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.20 mm — Rain: 20 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 · stronger wind than usual · rain
- Other jellyfish and stinging plankton Moderateusual backgroundjellyfish season in this area, usual for the season
- Box jellyfish Lowusual backgroundcalm water and rain, usual for the season
October is an average month for jellyfish on the southern Gulf coast, the wind blows offshore, the sea is calm (waves ~0.1 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
Bang Hoi: jellyfish month by month
- 1%Jan2January: Usually moderate risk. High risk on 1% of days. Onshore wind on 100% of days. Official warnings: 2.
- 2%Feb1February: Usually moderate risk. High risk on 2% of days. Onshore wind on 100% of days. Official warnings: 1.
- 5%MarMarch: Usually moderate risk. High risk on 5% of days. Onshore wind on 98% of days. Official warnings: 0.
- 0%AprApril: Usually moderate risk. High risk on 0% of days. Onshore wind on 75% of days. Official warnings: 0.
- 0%MayMay: Usually moderate risk. High risk on 0% of days. Onshore wind on 36% of days. Official warnings: 0.
- 0%JunJune: Usually moderate risk. High risk on 0% of days. Onshore wind on 7% of days. Official warnings: 0.
- 12%Jul1July: Usually moderate risk. High risk on 12% of days. Onshore wind on 5% of days. Official warnings: 1.
- 8%AugAugust: Usually moderate risk. High risk on 8% of days. Onshore wind on 6% of days. Official warnings: 0.
- 1%SepSeptember: Usually moderate risk. High risk on 1% of days. Onshore wind on 7% of days. Official warnings: 0.
- 11%OctOctober: Usually moderate risk. High risk on 11% of days. Onshore wind on 27% of days. Official warnings: 0.
- 6%NovNovember: Usually moderate risk. High risk on 6% of days. Onshore wind on 80% of days. Official warnings: 0.
- 4%DecDecember: Usually moderate risk. High risk on 4% of days. Onshore wind on 100% of days. Official warnings: 0.
- typical level that month
- bar and % — share of high-risk days
- nofficial warnings, all years
Coordinates: 7.2811, 100.5306
Questions and answers
Can I swim at Bang Hoi Beach today?
Today's estimated risk is moderate; main factor: stronger wind than usual. 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 Bang Hoi 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 Bang Hoi Beach?
Based on 2022–2026 weather, the risk is most often elevated in July, August, September. Official warnings nearby: 4.
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.