Current Sea Water Temperature:
+83.8°F
| Maximum Sea Water Temperature in March: | 85.0°F |
| Minimum Sea Water Temperature in March: | 81.4°F |
| Average water temperature in March: | 83.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| March 28 | 83.8°F | March 23 | 83.8°F |
| March 27 | 84.0°F | March 22 | 83.8°F |
| March 26 | 83.8°F | March 21 | 83.6°F |
| March 25 | 83.6°F | March 20 | 83.8°F |
| March 24 | 83.8°F | March 19 | 83.8°F |
When is the Warmest Sea for Isabella?
According to our data for the last three years for Isabella the highest average sea water temperature was in October, September and August.
Average Water Temperature by Month, °F
Sea Water Temperature in October
The average sea surface temperature in October 2025 for Isabella was 89.4°F. The maximum and minimum values were 88.4°F and 90.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Isabella was 89.9°F. The maximum and minimum values were 89.4°F and 90.4°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Isabella was 88.5°F. The maximum and minimum values were 87.8°F and 89.2°F respectively.
Puerto Rico Resorts:
NAME
F°
| Aguadilla |  |
+74 |
| Arecibo | |
+78 |
| Isabella | |
+78 |
| Mayaguez | |
+74 |
| Ponce | |
+76 |
| San Juan |  |
+80 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Isabella
Local time: 04:47
28 mar, saturday
| 0600 |  |
78°F | W 10 mph |
| 0900 |  |
80°F | W 14 mph |
| 1200 | |
82°F | SW 16 mph |
| 1500 | |
80°F | SW 15 mph |
| 1800 |  |
78°F | SW 14 mph |
| 2100 |  |
76°F | W 14 mph |
29 mar, sunday
| 0000 | |
76°F | W 12 mph |
| 0300 | |
76°F | W 12 mph |