Current sea water temperature:
+77.4°F
| Minimum sea water temperature in April: | 79.5°F |
| Maximum sea water temperature in April: | 71.4°F |
| Average sea water temperature in April: | 76.1°F |
| more information | |
14 days
forecast
forecast
| Port St. Lucie |
monthly
weather
weather
| Port St. Lucie |
Sea water temperature for the last 10 days:
| April 29 | 77.4°F | April 24 | 77.9°F |
| April 28 | 76.6°F | April 23 | 77.2°F |
| April 27 | 76.5°F | April 22 | 78.3°F |
| April 26 | 75.4°F | April 21 | 79.2°F |
| April 25 | 76.5°F | April 20 | 78.3°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
May
May
| 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: 08:35
April 29, wednesday
0900
75°F
SE
3 mph
3 mph
1200
82°F
W
2 mph
2 mph
1500
86°F
W
4 mph
4 mph
1800
82°F
NW
9 mph
9 mph
2100
77°F
NW
14 mph
14 mph
April 30, thursday
0000
75°F
N
10 mph
10 mph
0300
73°F
E
9 mph
9 mph
0600
72°F
E
8 mph
8 mph
