The Thailand resorts with the warmest sea water temperature at this moment are Hat Yai, Koh Lanta and Pattani.
Below you can see a list of all popular Thailand resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
October 2025 | November 2025 |
|---|---|---|---|
| Hat Yai | 92.4°F | 89.6°F | 88.3°F |
| Koh Lanta | 92.0°F | 89.3°F | 88.5°F |
| Pattani | 92.0°F | 88.8°F | 87.8°F |
| Taling Ngam Beach | 92.0°F | 88.9°F | 87.0°F |
| Phi Phi | 92.0°F | 88.9°F | 87.9°F |
| Krabi | 91.8°F | 89.1°F | 88.2°F |
| Lamai Beach | 91.8°F | 88.9°F | 87.0°F |
| Samui | 91.6°F | 88.8°F | 87.0°F |
| Choeng Mon Beach | 91.6°F | 88.7°F | 87.0°F |
| Chaweng Beach | 91.6°F | 88.8°F | 87.0°F |
| Ko Wai | 91.6°F | 88.8°F | 87.9°F |
| Phuket | 91.4°F | 88.2°F | 87.5°F |
| Ko Phangan | 91.4°F | 88.6°F | 87.1°F |
| Ko Li Pe | 91.4°F | 89.2°F | 87.8°F |
| Phangan | 91.4°F | 88.6°F | 87.1°F |
| Narathiwat | 91.4°F | 89.0°F | 87.7°F |
| Surin Beach | 91.4°F | 88.1°F | 87.5°F |
| Ko Mak | 91.4°F | 88.7°F | 88.0°F |
| Nai Yang Beach | 91.4°F | 88.3°F | 87.6°F |
| Bang Tao Beach | 91.4°F | 88.1°F | 87.5°F |
| Bo Phut Beach | 91.4°F | 88.7°F | 87.0°F |
| Mai Khao Beach | 91.4°F | 88.3°F | 87.6°F |
| Mae Nam Beach | 91.4°F | 88.7°F | 87.0°F |
| Kamala Beach | 91.4°F | 88.1°F | 87.5°F |
| Kata Beach | 91.2°F | 88.0°F | 87.5°F |
| Karon Beach | 91.2°F | 88.0°F | 87.5°F |
| Kalim Beach | 91.2°F | 88.1°F | 87.5°F |
| Cape Panwa | 91.2°F | 88.4°F | 87.6°F |
| Nai Harn Beach | 91.2°F | 88.0°F | 87.5°F |
| Patong Beach | 91.2°F | 88.0°F | 87.5°F |
| Rawai Beach | 91.2°F | 88.0°F | 87.5°F |
| Khao Lak | 91.2°F | 87.9°F | 87.8°F |
| Chumphon | 91.0°F | 88.3°F | 87.3°F |
| Tao | 91.0°F | 88.5°F | 87.1°F |
| Koh Kood | 91.0°F | 88.5°F | 88.2°F |
| Koh Chang | 91.0°F | 88.8°F | 87.9°F |
| Similan | 90.8°F | 87.7°F | 87.7°F |
| Hua Hin | 90.6°F | 89.3°F | 86.9°F |
| Jomtien | 90.4°F | 88.6°F | 87.1°F |
| Trat | 90.4°F | 88.6°F | 88.0°F |
| Surat Thani | 90.4°F | 88.4°F | 87.0°F |
| Koh Lan | 90.4°F | 88.7°F | 87.1°F |
| Cha-am | 90.4°F | 89.5°F | 86.8°F |
| Pattaya | 90.2°F | 88.6°F | 87.1°F |
| Prachuap Khiri Khan | 90.2°F | 88.7°F | 86.9°F |
| Bangkok | 90.0°F | 88.7°F | 86.8°F |
| Rayong | 89.6°F | 88.8°F | 87.6°F |
| Samet | 89.4°F | 89.0°F | 87.5°F |
Please see following sea water temperature averages charts for the warmest Thailand resorts for more details.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Thailand Resorts:
NAME
F°
| Bangkok |  |
+92 |
| Cape Panwa |  |
+84 |
| Hua Hin | |
+90 |
| Jomtien | |
+92 |
| Karon Beach | |
+84 |
| Kata Beach | |
+84 |
| Khao Lak | |
+84 |
| Koh Chang | |
+86 |
| Krabi | |
+84 |
| Nai Yang Beach | |
+84 |
| Pattaya | |
+92 |
| Phi Phi | |
+84 |
| Phuket | |
+84 |
| Samet | |
+88 |
| Samui | |
+86 |
