Current sea water temperature:
+83.3°F
| Minimum sea water temperature in August: | 85.8°F |
| Maximum sea water temperature in August: | 81.7°F |
| Average sea water temperature in August: | 83.9°F |
| more information | |
14 days
forecast
forecast
| Castries |
monthly
weather
weather
| Castries |
Sea water temperature for the last 10 days:
| August 15 | 83.3°F | August 10 | 83.7°F |
| August 14 | 83.7°F | August 9 | 83.5°F |
| August 13 | 83.5°F | August 8 | 83.7°F |
| August 12 | 83.7°F | August 7 | 83.8°F |
| August 11 | 83.7°F | August 6 | 84.0°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 83.6°F. The highest and lowest sea temperatures during the month were 84.0°F and 83.1°F.
current
weather
weather
| Castries |
weather in
August
August
| Castries |
Best time for vacation in Castries
Castries on a weather map
24 Hours Forecast
Castries
Local time: 13:36
August 15, saturday
1500
82°F
W
24 mph
24 mph
1800
81°F
W
22 mph
22 mph
2100
79°F
W
23 mph
23 mph
August 16, sunday
0000
79°F
W
21 mph
21 mph
0300
79°F
W
17 mph
17 mph
0600
79°F
W
19 mph
19 mph
0900
82°F
W
19 mph
19 mph
1200
84°F
W
19 mph
19 mph
