Current sea water temperature:
+69.3°F
| Minimum sea water temperature in April: | 75.4°F |
| Maximum sea water temperature in April: | 62.2°F |
| Average sea water temperature in April: | 68.7°F |
| more information | |
14 days
forecast
forecast
| Jacksonville |
monthly
weather
weather
| Jacksonville |
Sea water temperature for the last 10 days:
| April 26 | 69.3°F | April 21 | 68.0°F |
| April 25 | 68.9°F | April 20 | 68.5°F |
| April 24 | 70.0°F | April 19 | 67.8°F |
| April 23 | 68.9°F | April 18 | 67.3°F |
| April 22 | 67.8°F | April 17 | 67.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Jacksonville?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jacksonville was noticed in August, September and July.
Monthly Sea Temperatures in Jacksonville, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 76.8°F.
current
weather
weather
| Jacksonville |
weather in
April
April
| Jacksonville |
Best time for vacation in Jacksonville
Jacksonville on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jacksonville
Local time: 13:54
April 26, sunday
1500
84°F
S
6 mph
6 mph
1800
82°F
SW
2 mph
2 mph
2100
73°F
W
6 mph
6 mph
April 27, monday
0000
72°F
SW
7 mph
7 mph
0300
68°F
SW
9 mph
9 mph
0600
68°F
SW
11 mph
11 mph
0900
70°F
SW
13 mph
13 mph
1200
72°F
SW
12 mph
12 mph
