At this moment warmest sea in Thailand was observed in the following locations: Ko Li Pe, Koh Lanta, Bangkok.
You can find the full list of Thailand marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.
| Place name | Current sea temp |
September 2025 | October 2025 |
|---|---|---|---|
| Ko Li Pe | 86.7°F | 85.8°F | 85.2°F |
| Koh Lanta | 86.5°F | 84.9°F | 85.3°F |
| Bangkok | 86.4°F | 84.9°F | 84.8°F |
| Hat Yai | 86.2°F | 86.0°F | 85.7°F |
| Pattaya | 86.2°F | 84.8°F | 84.7°F |
| Cha-am | 86.2°F | 85.2°F | 85.5°F |
| Phi Phi | 86.2°F | 84.8°F | 85.0°F |
| Koh Lan | 86.2°F | 84.9°F | 84.9°F |
| Jomtien | 86.0°F | 84.7°F | 84.7°F |
| Krabi | 86.0°F | 84.8°F | 85.2°F |
| Cape Panwa | 85.6°F | 84.3°F | 84.5°F |
| Hua Hin | 85.6°F | 85.2°F | 85.3°F |
| Rawai Beach | 85.5°F | 84.1°F | 84.2°F |
| Bang Tao Beach | 85.5°F | 84.0°F | 84.3°F |
| Phuket | 85.5°F | 84.0°F | 84.4°F |
| Kata Beach | 85.5°F | 84.0°F | 84.2°F |
| Kamala Beach | 85.5°F | 84.0°F | 84.3°F |
| Patong Beach | 85.5°F | 83.9°F | 84.2°F |
| Kalim Beach | 85.5°F | 84.0°F | 84.3°F |
| Surin Beach | 85.5°F | 84.0°F | 84.3°F |
| Rayong | 85.5°F | 84.5°F | 84.9°F |
| Nai Harn Beach | 85.5°F | 84.1°F | 84.2°F |
| Karon Beach | 85.5°F | 84.0°F | 84.2°F |
| Narathiwat | 85.3°F | 85.9°F | 85.1°F |
| Samet | 85.3°F | 84.3°F | 85.1°F |
| Koh Kood | 85.3°F | 84.2°F | 84.6°F |
| Ko Mak | 85.3°F | 84.3°F | 84.9°F |
| Nai Yang Beach | 85.3°F | 84.0°F | 84.4°F |
| Pattani | 85.3°F | 85.5°F | 84.9°F |
| Mai Khao Beach | 85.1°F | 84.0°F | 84.5°F |
| Trat | 84.9°F | 84.2°F | 84.8°F |
| Ko Wai | 84.9°F | 84.3°F | 84.9°F |
| Khao Lak | 84.7°F | 83.7°F | 84.1°F |
| Koh Chang | 84.7°F | 84.4°F | 84.9°F |
| Taling Ngam Beach | 84.6°F | 85.0°F | 85.0°F |
| Lamai Beach | 84.6°F | 85.1°F | 85.0°F |
| Chaweng Beach | 84.4°F | 85.0°F | 84.9°F |
| Similan | 84.4°F | 83.3°F | 83.9°F |
| Surat Thani | 84.4°F | 84.6°F | 84.6°F |
| Samui | 84.4°F | 84.9°F | 84.9°F |
| Mae Nam Beach | 84.2°F | 84.9°F | 84.9°F |
| Bo Phut Beach | 84.2°F | 84.9°F | 84.9°F |
| Prachuap Khiri Khan | 84.2°F | 84.1°F | 84.9°F |
| Choeng Mon Beach | 84.2°F | 84.9°F | 84.8°F |
| Ko Phangan | 84.0°F | 84.7°F | 84.7°F |
| Chumphon | 84.0°F | 83.9°F | 84.4°F |
| Phangan | 84.0°F | 84.7°F | 84.7°F |
| Tao | 83.8°F | 84.6°F | 84.7°F |
Charts below show average sea water temperature for Thailand resorts with the warmest sea.
You can also check other months of the year to see sea temperature of Thailand resorts at that time.
Places in Thailand:
Name
°F
