Jellyfish in Koh Larn
Today no beach in Koh Larn has a high jellyfish risk: the highest level is moderate (5 of 5). It is an estimate, not a guarantee: follow beach flags and lifeguards.
Chonburi · Gulf of Thailand · 5 beaches in this area. Level is today's estimated risk.

Beaches
- Nual Beach (Monkey Beach)ModerateOnshore windTomorrowMon 26Tue 27Wed 28Thu 29
- Samae BeachModerateOnshore windTomorrowMon 26Tue 27Wed 28Thu 29
- Tawaen BeachModerateJellyfish season in this areaTomorrowMon 26Tue 27Wed 28Thu 29
- Ta Yai BeachModerateJellyfish season in this areaTomorrowMon 26Tue 27Wed 28Thu 29
- Tien BeachModerateSteady onshore windTomorrowMon 26Tue 27Wed 28Thu 29
Koh Larn: jellyfish month by month
- 0%JanJanuary: Usually moderate risk. High risk on 0% of days. Onshore wind on 49% of days. Official warnings: 0.
- 12%Feb4February: Usually moderate risk. High risk on 12% of days. Onshore wind on 54% of days. Official warnings: 0. Eyewitness reports: 4.
- 16%Mar2March: Usually moderate risk. High risk on 16% of days. Onshore wind on 54% of days. Official warnings: 0. Eyewitness reports: 2.
- 0%Apr3April: Usually moderate risk. High risk on 0% of days. Onshore wind on 55% of days. Official warnings: 0. Eyewitness reports: 3.
- 0%MayMay: Usually low risk. High risk on 0% of days. Onshore wind on 54% of days. Official warnings: 0.
- 1%Jun27June: Usually moderate risk. High risk on 1% of days. Onshore wind on 62% of days. Official warnings: 0. Eyewitness reports: 27.
- 22%Jul30July: Usually moderate risk. High risk on 22% of days. Onshore wind on 63% of days. Official warnings: 0. Eyewitness reports: 30.
- 21%Aug11August: Usually moderate risk. High risk on 21% of days. Onshore wind on 62% of days. Official warnings: 0. Eyewitness reports: 11.
- 10%Sep6September: Usually moderate risk. High risk on 10% of days. Onshore wind on 62% of days. Official warnings: 0. Eyewitness reports: 6.
- 13%Oct4October: Usually moderate risk. High risk on 13% of days. Onshore wind on 44% of days. Official warnings: 0. Eyewitness reports: 4.
- 1%Nov2November: Usually moderate risk. High risk on 1% of days. Onshore wind on 42% of days. Official warnings: 0. Eyewitness reports: 2.
- 0%Dec3December: Usually low risk. High risk on 0% of days. Onshore wind on 45% of days. Official warnings: 0. Eyewitness reports: 3.
- typical level that month
- bar and % — share of high-risk days
- nofficial warnings, all years
- neyewitness reports, all years
Questions and answers
Are there jellyfish in Koh Larn right now?
Today across 5 beaches: moderate — 5. The highest risk is at Nual Beach (Monkey Beach) (onshore wind). Jellyfish reports in the last 7 days: 0. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.
When is jellyfish season in Koh Larn?
Based on 2022–2026 weather, the risk in Koh Larn is most often elevated in July, August, September. Official DMCR warnings nearby: 0.
Which beaches in Koh Larn have the lowest risk today?
Lowest estimate today: Ta Yai Beach, Tien Beach, Tawaen Beach. It is an estimate, not a guarantee: "no reports" does not mean there are no jellyfish. Check beach flags and follow lifeguards.
Which dangerous jellyfish occur in Koh Larn?
Recorded on this coast: Thai box jellyfish (Chironex), Chiropsoides box jellyfish, Morbakka (single-tentacle box jellyfish), Portuguese man o’ war (bluebottle), Sea nettle (fire jellyfish).
What should I do if a jellyfish stings me 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.