At this moment warmest sea in Gulf of Thailand was observed in the following locations: Koh Kood, Trat, Koh Chang.
You can find the full list of Gulf 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 |
March 2025 | April 2025 |
|---|---|---|---|
| Koh Kood | 86.5°F | 85.4°F | 86.7°F |
| Trat | 86.5°F | 85.8°F | 87.6°F |
| Koh Chang | 86.4°F | 85.2°F | 86.8°F |
| Ko Li Pe | 86.0°F | 85.2°F | 86.4°F |
| Ko Mak | 86.0°F | 85.0°F | 86.4°F |
| Samet | 86.0°F | 85.1°F | 86.9°F |
| Rayong | 86.0°F | 85.1°F | 86.9°F |
| Cha-am | 85.8°F | 84.6°F | 87.1°F |
| Koh Lanta | 85.6°F | 85.6°F | 87.4°F |
| Chumphon | 85.6°F | 85.1°F | 86.8°F |
| Ko Wai | 85.6°F | 85.1°F | 86.6°F |
| Hua Hin | 85.6°F | 84.3°F | 86.8°F |
| Hat Yai | 85.6°F | 85.1°F | 87.2°F |
| Bangkok | 85.5°F | 84.3°F | 86.4°F |
| Koh Dek Koule | 85.5°F | 85.4°F | 86.8°F |
| Sihanoukville | 85.5°F | 85.4°F | 86.8°F |
| Pattaya | 85.3°F | 84.2°F | 86.2°F |
| Jomtien | 85.3°F | 84.2°F | 86.2°F |
| Koh Kong | 85.3°F | 86.4°F | 87.4°F |
| Koh Lan | 85.1°F | 84.0°F | 86.1°F |
| Prachuap Khiri Khan | 85.1°F | 83.7°F | 85.8°F |
| Koh Rong | 85.1°F | 85.1°F | 86.7°F |
| Phu Quoc | 84.7°F | 85.2°F | 86.5°F |
| Taling Ngam Beach | 84.4°F | 84.7°F | 86.6°F |
| Lamai Beach | 84.2°F | 84.7°F | 86.4°F |
| Chaweng Beach | 84.2°F | 84.7°F | 86.4°F |
| Choeng Mon Beach | 84.2°F | 84.7°F | 86.4°F |
| Samui | 84.2°F | 84.7°F | 86.4°F |
| Bo Phut Beach | 84.0°F | 84.7°F | 86.5°F |
| Pattani | 84.0°F | 83.8°F | 86.2°F |
| Mae Nam Beach | 84.0°F | 84.7°F | 86.5°F |
| Narathiwat | 84.0°F | 83.6°F | 85.8°F |
| Tao | 84.0°F | 84.6°F | 86.1°F |
| Surat Thani | 84.0°F | 84.9°F | 87.2°F |
| Ko Phangan | 83.8°F | 84.6°F | 86.4°F |
| Phangan | 83.8°F | 84.7°F | 86.5°F |
Charts below show average sea water temperature for Gulf of Thailand resorts with the warmest sea.
You can also check other months of the year to see sea temperature of Gulf of Thailand resorts at that time.
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