At this moment warmest sea in Vietnam was observed in the following locations: Cat Ba Island, Ha Long, Doc Let Beach.
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 |
|---|---|---|---|
| Cat Ba Island | 87.3°F | 83.0°F | 76.1°F |
| Ha Long | 87.1°F | 82.8°F | 75.8°F |
| Doc Let Beach | 86.7°F | 84.2°F | 81.2°F |
| Hue | 86.7°F | 83.6°F | 78.8°F |
| Thanh Hoa | 86.7°F | 83.2°F | 76.4°F |
| Tuan Chau | 86.7°F | 82.5°F | 75.6°F |
| Nha Trang | 86.4°F | 83.5°F | 80.8°F |
| Cam Ranh | 86.4°F | 83.8°F | 81.1°F |
| Vinpearl | 86.2°F | 83.3°F | 80.8°F |
| Da Nang | 86.0°F | 83.3°F | 79.2°F |
| Phan Thiet | 86.0°F | 83.6°F | 82.4°F |
| Mui Ne | 85.8°F | 83.5°F | 82.4°F |
| Phan Rang | 85.8°F | 83.2°F | 81.0°F |
| Con Dao | 85.8°F | 84.8°F | 83.0°F |
| Ke Ga | 85.6°F | 84.1°F | 82.4°F |
| Phu Quoc | 85.5°F | 84.6°F | 84.4°F |
| Hoi An | 85.5°F | 83.1°F | 79.2°F |
| Vung Tau | 85.5°F | 84.4°F | 83.5°F |
| Hai Phong | 85.1°F | 81.0°F | 74.6°F |
| Ho Chi Minh | 84.6°F | 83.8°F | 83.0°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




























