At this moment warmest sea in Gulf of Thailand was observed in the following locations: Koh Kong, 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 |
April 2025 | May 2025 |
|---|---|---|---|
| Koh Kong | 89.8°F | 87.4°F | 87.5°F |
| Trat | 89.8°F | 87.6°F | 87.9°F |
| Koh Chang | 89.8°F | 86.8°F | 87.7°F |
| Ko Wai | 89.6°F | 86.6°F | 87.8°F |
| Koh Lanta | 89.4°F | 87.4°F | 86.6°F |
| Sihanoukville | 89.2°F | 86.8°F | 87.8°F |
| Koh Dek Koule | 89.2°F | 86.8°F | 87.8°F |
| Hat Yai | 89.2°F | 87.2°F | 87.4°F |
| Phu Quoc | 89.1°F | 86.5°F | 87.9°F |
| Koh Kood | 89.1°F | 86.7°F | 87.7°F |
| Koh Rong | 89.1°F | 86.7°F | 87.9°F |
| Ko Mak | 88.9°F | 86.4°F | 87.8°F |
| Chumphon | 88.7°F | 86.8°F | 87.2°F |
| Ko Li Pe | 88.5°F | 86.4°F | 86.9°F |
| Cha-am | 88.3°F | 87.1°F | 87.6°F |
| Rayong | 88.3°F | 86.9°F | 87.9°F |
| Hua Hin | 88.2°F | 86.8°F | 87.7°F |
| Samet | 88.2°F | 86.9°F | 88.0°F |
| Surat Thani | 88.0°F | 87.2°F | 87.1°F |
| Koh Lan | 87.8°F | 86.1°F | 87.3°F |
| Pattaya | 87.8°F | 86.2°F | 87.3°F |
| Jomtien | 87.8°F | 86.2°F | 87.3°F |
| Tao | 87.8°F | 86.1°F | 87.1°F |
| Bangkok | 87.8°F | 86.4°F | 87.3°F |
| Pattani | 87.4°F | 86.2°F | 87.1°F |
| Narathiwat | 87.3°F | 85.8°F | 87.0°F |
| Prachuap Khiri Khan | 87.3°F | 85.8°F | 86.8°F |
| Phangan | 87.1°F | 86.5°F | 87.2°F |
| Ko Phangan | 87.1°F | 86.4°F | 87.2°F |
| Lamai Beach | 87.1°F | 86.4°F | 87.2°F |
| Chaweng Beach | 87.1°F | 86.4°F | 87.1°F |
| Samui | 86.9°F | 86.4°F | 87.1°F |
| Mae Nam Beach | 86.9°F | 86.5°F | 87.1°F |
| Bo Phut Beach | 86.9°F | 86.5°F | 87.1°F |
| Choeng Mon Beach | 86.9°F | 86.4°F | 87.1°F |
| Taling Ngam Beach | 86.7°F | 86.6°F | 87.1°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.
Popular places:
Name
°F
