Current sea water temperature:
+73.4°F
| Minimum sea water temperature in December: | 78.6°F |
| Maximum sea water temperature in December: | 64.9°F |
| Average sea water temperature in December: | 71.6°F |
| more information | |
14 days
forecast
forecast
| Cat Ba Island |
monthly
weather
weather
| Cat Ba Island |
Sea water temperature for the last 10 days:
| December 23 | 73.4°F | December 18 | 71.1°F |
| December 22 | 72.5°F | December 17 | 69.8°F |
| December 21 | 71.8°F | December 16 | 70.3°F |
| December 20 | 71.8°F | December 15 | 71.8°F |
| December 19 | 72.0°F | December 14 | 71.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Cat Ba Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cat Ba Island was noticed in July, August and June.
Monthly Sea Temperatures in Cat Ba Island, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 88.7°F and 84.7°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 88.9°F and 83.7°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.0°F.
current
weather
weather
| Cat Ba Island |
weather in
December
December
| Cat Ba Island |
Best time for vacation in Cat Ba Island
Cat Ba Island on a weather map
Places in Vietnam:
Name
°F
24 Hours Forecast
Cat Ba Island
Local time: 09:41
December 24, wednesday
1200
73°F
W
12 mph
12 mph
1500
73°F
W
13 mph
13 mph
1800
70°F
W
11 mph
11 mph
2100
70°F
W
12 mph
12 mph
December 25, thursday
0000
68°F
SW
11 mph
11 mph
0300
68°F
SW
10 mph
10 mph
0600
63°F
S
12 mph
12 mph
0900
61°F
S
9 mph
9 mph
