Current Sea Water Temperature:
+89.2°F
| Maximum Sea Water Temperature in August: | 94.2°F |
| Minimum Sea Water Temperature in August: | 86.4°F |
| Average water temperature in August: | 90.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 25 | 89.2°F | August 20 | 90.2°F |
| August 24 | 89.2°F | August 19 | 92.2°F |
| August 23 | 89.6°F | August 18 | 92.4°F |
| August 22 | 89.8°F | August 17 | 92.2°F |
| August 21 | 91.0°F | August 16 | 92.4°F |
When is the Warmest Sea for Cat Ba Island?
According to our data for the last three years for Cat Ba Island the highest average sea water temperature was in July, August and June.
Average Water Temperature by Month, °F
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Cat Ba Island was 90.8°F. The maximum and minimum values were 88.8°F and 92.4°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Cat Ba Island was 90.5°F. The maximum and minimum values were 89.2°F and 92.4°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Cat Ba Island was 92.0°F. The maximum and minimum values were 89.8°F and 93.4°F respectively.
Vietnam Resorts:
NAME
F°
| Cam Ranh | ![]() |
+92 |
| Da Lat | ![]() |
+70 |
| Da Nang | ![]() |
+96 |
| Doc Let Beach | ![]() |
+92 |
| Ha Long | ![]() |
+90 |
| Ha Noi | ![]() |
+84 |
| Ho Chi Minh | ![]() |
+94 |
| Hoi An | ![]() |
+96 |
| Mui Ne | ![]() |
+90 |
| Nha Trang | ![]() |
+92 |
| Phan Rang | ![]() |
+92 |
| Phan Thiet | ![]() |
+90 |
| Phu Quoc | ![]() |
+86 |
| Vinpearl | ![]() |
+92 |
| Vung Tau | ![]() |
+88 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cat Ba Island
Local time: 09:40
26 aug, wednesday
| 1200 | ![]() |
90°F | E 5 mph |
| 1500 | ![]() |
88°F | E 6 mph |
| 1800 | ![]() |
86°F | S 3 mph |
| 2100 | ![]() |
84°F | S 6 mph |
27 aug, thursday
| 0000 | ![]() |
84°F | SE 7 mph |
| 0300 | ![]() |
82°F | SE 7 mph |
| 0600 | ![]() |
82°F | SE 9 mph |
| 0900 | ![]() |
84°F | E 7 mph |
































