Current sea water temperature:
+80.8°F
| Minimum sea water temperature in March: | 82.8°F |
| Maximum sea water temperature in March: | 79.0°F |
| Average sea water temperature in March: | 80.4°F |
| more information | |
14 days
forecast
forecast
| Castries |
monthly
weather
weather
| Castries |
Sea water temperature for the last 10 days:
| March 1 | 80.8°F | February 24 | 81.3°F |
| February 28 | 80.8°F | February 23 | 81.3°F |
| February 27 | 81.1°F | February 22 | 81.3°F |
| February 26 | 81.0°F | February 21 | 81.1°F |
| February 25 | 81.1°F | February 20 | 81.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Castries?
Based on the data about daily sea water temperature for the last three years the warmest sea in Castries was noticed in September, October and August.
Monthly Sea Temperatures in Castries, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.9°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.3°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.8°F.
current
weather
weather
| Castries |
weather in
March
March
| Castries |
Best time for vacation in Castries
Castries on a weather map
24 Hours Forecast
Castries
Local time: 12:24
March 01, sunday
1500

81°F
W
19 mph
19 mph
1800

79°F
W
20 mph
20 mph
2100

77°F
W
20 mph
20 mph
March 02, monday
0000

77°F
W
22 mph
22 mph
0300

77°F
W
19 mph
19 mph
0600

77°F
W
19 mph
19 mph
0900

79°F
W
21 mph
21 mph
1200

81°F
W
23 mph
23 mph


























