At this moment warmest sea in Thailand was observed in the following locations: Hat Yai, Koh Lanta, Krabi.
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 |
August 2025 | September 2025 |
|---|---|---|---|
| Hat Yai | 87.1°F | 86.6°F | 86.0°F |
| Koh Lanta | 86.9°F | 86.2°F | 84.9°F |
| Krabi | 86.9°F | 85.9°F | 84.8°F |
| Cape Panwa | 86.7°F | 85.7°F | 84.3°F |
| Surat Thani | 86.7°F | 85.3°F | 84.6°F |
| Ko Li Pe | 86.7°F | 86.7°F | 85.8°F |
| Lamai Beach | 86.5°F | 85.6°F | 85.1°F |
| Phi Phi | 86.5°F | 86.2°F | 84.8°F |
| Koh Lan | 86.5°F | 85.5°F | 84.9°F |
| Pattani | 86.4°F | 86.2°F | 85.5°F |
| Narathiwat | 86.4°F | 86.3°F | 85.9°F |
| Cha-am | 86.4°F | 86.0°F | 85.2°F |
| Chaweng Beach | 86.4°F | 85.5°F | 85.0°F |
| Jomtien | 86.4°F | 85.4°F | 84.7°F |
| Hua Hin | 86.4°F | 85.5°F | 85.2°F |
| Phuket | 86.2°F | 85.6°F | 84.0°F |
| Rawai Beach | 86.2°F | 85.6°F | 84.1°F |
| Choeng Mon Beach | 86.2°F | 85.4°F | 84.9°F |
| Taling Ngam Beach | 86.2°F | 85.5°F | 85.0°F |
| Pattaya | 86.2°F | 85.4°F | 84.8°F |
| Samui | 86.2°F | 85.5°F | 84.9°F |
| Nai Yang Beach | 86.2°F | 85.6°F | 84.0°F |
| Nai Harn Beach | 86.2°F | 85.6°F | 84.1°F |
| Mai Khao Beach | 86.2°F | 85.5°F | 84.0°F |
| Ko Phangan | 86.2°F | 85.4°F | 84.7°F |
| Patong Beach | 86.0°F | 85.6°F | 83.9°F |
| Rayong | 86.0°F | 85.2°F | 84.5°F |
| Bangkok | 86.0°F | 85.3°F | 84.9°F |
| Kata Beach | 86.0°F | 85.5°F | 84.0°F |
| Karon Beach | 86.0°F | 85.5°F | 84.0°F |
| Kamala Beach | 86.0°F | 85.6°F | 84.0°F |
| Surin Beach | 86.0°F | 85.6°F | 84.0°F |
| Bo Phut Beach | 86.0°F | 85.4°F | 84.9°F |
| Kalim Beach | 86.0°F | 85.6°F | 84.0°F |
| Khao Lak | 86.0°F | 84.9°F | 83.7°F |
| Phangan | 86.0°F | 85.4°F | 84.7°F |
| Bang Tao Beach | 86.0°F | 85.6°F | 84.0°F |
| Mae Nam Beach | 86.0°F | 85.4°F | 84.9°F |
| Samet | 85.8°F | 85.3°F | 84.3°F |
| Tao | 85.5°F | 85.4°F | 84.6°F |
| Koh Chang | 85.5°F | 85.1°F | 84.4°F |
| Similan | 85.1°F | 84.9°F | 83.3°F |
| Ko Wai | 85.1°F | 85.0°F | 84.3°F |
| Chumphon | 84.9°F | 84.7°F | 83.9°F |
| Trat | 84.9°F | 85.1°F | 84.2°F |
| Ko Mak | 84.7°F | 85.0°F | 84.3°F |
| Koh Kood | 84.6°F | 85.0°F | 84.2°F |
| Prachuap Khiri Khan | 84.4°F | 84.5°F | 84.1°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
