Current sea water temperature:
+75.6°F
| Minimum sea water temperature in March: | 77.9°F |
| Maximum sea water temperature in March: | 68.5°F |
| Average sea water temperature in March: | 74.2°F |
| more information | |
14 days
forecast
forecast
| Port St. Lucie |
monthly
weather
weather
| Port St. Lucie |
Sea water temperature for the last 10 days:
| March 18 | 75.6°F | March 13 | 76.6°F |
| March 17 | 75.7°F | March 12 | 75.9°F |
| March 16 | 75.4°F | March 11 | 75.4°F |
| March 15 | 74.7°F | March 10 | 75.4°F |
| March 14 | 76.3°F | March 9 | 75.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Port St. Lucie?
Based on the data about daily sea water temperature for the last three years the warmest sea in Port St. Lucie was noticed in August, September and July.
Monthly Sea Temperatures in Port St. Lucie, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 87.1°F and 83.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 79.0°F.
current
weather
weather
| Port St. Lucie |
weather in
March
March
| Port St. Lucie |
Best time for vacation in Port St. Lucie
Port St. Lucie on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port St. Lucie
Local time: 23:06
March 19, thursday
0000
61°F
S
14 mph
14 mph
0300
59°F
S
13 mph
13 mph
0600
61°F
S
11 mph
11 mph
0900
66°F
S
12 mph
12 mph
1200
72°F
S
17 mph
17 mph
1500
70°F
S
20 mph
20 mph
1800
68°F
S
22 mph
22 mph
2100
68°F
S
19 mph
19 mph
