Current sea water temperature:
+83.1°F
| Minimum sea water temperature in September: | 89.2°F |
| Maximum sea water temperature in September: | 81.7°F |
| Average sea water temperature in September: | 85.8°F |
| more information | |
14 days
forecast
forecast
| Cat Ba Island |
monthly
weather
weather
| Cat Ba Island |
Sea water temperature for the last 10 days:
| September 20 | 83.1°F | September 15 | 85.3°F |
| September 19 | 83.5°F | September 14 | 85.3°F |
| September 18 | 83.1°F | September 13 | 85.1°F |
| September 17 | 84.6°F | September 12 | 85.8°F |
| September 16 | 84.9°F | September 11 | 86.4°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 88.2°F and 84.9°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 86.2°F. The highest and lowest sea temperatures during the month were 88.2°F and 84.6°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 87.8°F. The highest and lowest sea temperatures during the month were 89.1°F and 85.8°F.
current
weather
weather
| Cat Ba Island |
weather in
September
September
| 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: 08:15
September 21, monday
0900

84°F
SW
3 mph
3 mph
1200

86°F
NW
4 mph
4 mph
1500

86°F
NW
7 mph
7 mph
1800

82°F
NW
6 mph
6 mph
2100

81°F
W
4 mph
4 mph
September 22, tuesday
0000

81°F
SW
1 mph
1 mph
0300

79°F
S
2 mph
2 mph
0600

79°F
SE
4 mph
4 mph


























