At this moment warmest sea in Vietnam was observed in the following locations: Hoi An, Doc Let Beach, Ha Long.
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 |
September 2025 | October 2025 |
|---|---|---|---|
| Hoi An | 85.5°F | 85.0°F | 83.1°F |
| Doc Let Beach | 85.3°F | 85.4°F | 84.2°F |
| Ha Long | 85.3°F | 85.6°F | 82.8°F |
| Cat Ba Island | 85.3°F | 85.7°F | 83.0°F |
| Thanh Hoa | 85.3°F | 86.0°F | 83.2°F |
| Da Nang | 85.1°F | 85.1°F | 83.3°F |
| Tuan Chau | 85.1°F | 85.3°F | 82.5°F |
| Nha Trang | 84.6°F | 85.2°F | 83.5°F |
| Con Dao | 84.6°F | 84.0°F | 84.8°F |
| Hue | 84.6°F | 85.8°F | 83.6°F |
| Vinpearl | 84.4°F | 85.0°F | 83.3°F |
| Hai Phong | 84.4°F | 84.5°F | 81.0°F |
| Cam Ranh | 84.2°F | 84.9°F | 83.8°F |
| Phu Quoc | 84.2°F | 84.0°F | 84.6°F |
| Vung Tau | 84.0°F | 83.6°F | 84.4°F |
| Phan Rang | 83.5°F | 84.0°F | 83.2°F |
| Ke Ga | 83.1°F | 82.4°F | 84.1°F |
| Ho Chi Minh | 82.9°F | 83.8°F | 83.8°F |
| Mui Ne | 82.4°F | 82.1°F | 83.5°F |
| Phan Thiet | 82.2°F | 82.1°F | 83.6°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
