Current Sea Water Temperature:
+85.4°F
| Maximum Sea Water Temperature in June: | 88.6°F |
| Minimum Sea Water Temperature in June: | 83.8°F |
| Average water temperature in June: | 86.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| June 21 | 85.4°F | June 16 | 85.8°F |
| June 20 | 85.4°F | June 15 | 85.8°F |
| June 19 | 85.6°F | June 14 | 86.0°F |
| June 18 | 85.6°F | June 13 | 85.8°F |
| June 17 | 85.8°F | June 12 | 86.0°F |
When is the Warmest Sea for Castries?
According to our data for the last three years for Castries the highest average sea water temperature was in September, October and August.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Castries was 89.5°F. The maximum and minimum values were 88.8°F and 89.8°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2025 for Castries was 89.2°F. The maximum and minimum values were 88.4°F and 90.2°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Castries was 88.3°F. The maximum and minimum values were 87.6°F and 89.0°F respectively.
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Castries
Local time: 07:24
21 jun, sunday
| 0900 |  |
84°F | W 21 mph |
| 1200 |  |
86°F | W 19 mph |
| 1500 |  |
86°F | W 18 mph |
| 1800 | |
84°F | W 19 mph |
| 2100 | |
84°F | W 19 mph |
22 jun, monday
| 0000 | |
82°F | W 20 mph |
| 0300 | |
82°F | W 20 mph |
| 0600 | |
82°F | W 19 mph |