Current sea water temperature:
+85.1°F
| Minimum sea water temperature in November: | 86.0°F |
| Maximum sea water temperature in November: | 81.0°F |
| Average sea water temperature in November: | 83.9°F |
| more information | |
14 days
forecast
forecast
| Grand Cayman |
monthly
weather
weather
| Grand Cayman |
Sea water temperature for the last 10 days:
| October 28 | 85.1°F | October 23 | 85.1°F |
| October 27 | 85.3°F | October 22 | 85.5°F |
| October 26 | 85.6°F | October 21 | 85.6°F |
| October 25 | 85.6°F | October 20 | 85.5°F |
| October 24 | 85.6°F | October 19 | 85.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Grand Cayman?
Based on the data about daily sea water temperature for the last three years the warmest sea in Grand Cayman was noticed in September, August and October.
Monthly Sea Temperatures in Grand Cayman, °F
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 87.4°F. The highest and lowest sea temperatures during the month were 88.3°F and 86.0°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 87.3°F and 86.2°F.
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 85.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.7°F.
current
weather
weather
| Grand Cayman |
weather in
November
November
| Grand Cayman |
Best time for vacation in Grand Cayman
Grand Cayman on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Grand Cayman
Local time: 10:05
November 03, tuesday
1200

81°F
NW
14 mph
14 mph
1500

81°F
NW
11 mph
11 mph
1800

79°F
W
10 mph
10 mph
2100

81°F
W
10 mph
10 mph
November 04, wednesday
0000

81°F
W
14 mph
14 mph
0300

81°F
W
14 mph
14 mph
0600

81°F
W
11 mph
11 mph
0900

81°F
W
8 mph
8 mph

























