Current Sea Water Temperature:
+84.0°F
| Maximum Sea Water Temperature in March: | 86.4°F |
| Minimum Sea Water Temperature in March: | 82.2°F |
| Average water temperature in March: | 83.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| March 09 | 84.0°F | March 04 | 84.2°F |
| March 08 | 84.0°F | March 03 | 84.4°F |
| March 07 | 83.8°F | March 02 | 84.6°F |
| March 06 | 84.4°F | March 01 | 84.2°F |
| March 05 | 84.2°F | February 28 | 84.2°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: 19:44
09 mar, monday
| 2100 |  |
80°F | W 20 mph |
10 mar, tuesday
| 0000 |  |
80°F | W 22 mph |
| 0300 | |
80°F | W 21 mph |
| 0600 | |
80°F | W 19 mph |
| 0900 |  |
82°F | W 19 mph |
| 1200 |  |
82°F | W 19 mph |
| 1500 | |
82°F | W 19 mph |
| 1800 | |
80°F | W 18 mph |