At this moment warmest sea in Vietnam was observed in the following locations: Phu Quoc, Con Dao, Cat Ba Island.
You can find the full list of Vietnam marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.
| Place name | Current sea temp |
October 2025 | November 2025 |
|---|---|---|---|
| Phu Quoc | 86.7°F | 84.6°F | 84.4°F |
| Con Dao | 86.2°F | 84.8°F | 83.0°F |
| Cat Ba Island | 86.0°F | 83.0°F | 76.1°F |
| Phan Thiet | 85.8°F | 83.6°F | 82.4°F |
| Mui Ne | 85.5°F | 83.5°F | 82.4°F |
| Ke Ga | 85.5°F | 84.1°F | 82.4°F |
| Vung Tau | 85.3°F | 84.4°F | 83.5°F |
| Thanh Hoa | 85.1°F | 83.2°F | 76.4°F |
| Ha Long | 84.7°F | 82.8°F | 75.8°F |
| Ho Chi Minh | 84.7°F | 83.8°F | 83.0°F |
| Hue | 84.6°F | 83.6°F | 78.8°F |
| Cam Ranh | 84.4°F | 83.8°F | 81.1°F |
| Da Nang | 84.2°F | 83.3°F | 79.2°F |
| Doc Let Beach | 84.2°F | 84.2°F | 81.2°F |
| Tuan Chau | 84.0°F | 82.5°F | 75.6°F |
| Nha Trang | 83.8°F | 83.5°F | 80.8°F |
| Vinpearl | 83.5°F | 83.3°F | 80.8°F |
| Hoi An | 83.5°F | 83.1°F | 79.2°F |
| Phan Rang | 83.1°F | 83.2°F | 81.0°F |
| Hai Phong | 81.9°F | 81.0°F | 74.6°F |
Charts below show average sea water temperature for Vietnam resorts with the warmest sea.
You can also check other months of the year to see sea temperature of Vietnam resorts at that time.
Places in Vietnam:
Name
°F


























