Current sea water temperature:
+68.0°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: | 68.8°F |
| more information | |
14 days
forecast
forecast
| Jacksonville |
monthly
weather
weather
| Jacksonville |
Sea water temperature for the last 10 days:
| April 6 | 68.0°F | April 1 | 64.4°F |
| April 5 | 67.5°F | March 31 | 64.6°F |
| April 4 | 67.3°F | March 30 | 63.0°F |
| April 3 | 65.5°F | March 29 | 64.0°F |
| April 2 | 65.8°F | March 28 | 64.6°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: 03:41
April 06, monday
0600
68°F
S
6 mph
6 mph
0900
68°F
S
9 mph
9 mph
1200
68°F
SW
12 mph
12 mph
1500
64°F
S
13 mph
13 mph
1800
64°F
S
12 mph
12 mph
2100
63°F
SW
11 mph
11 mph
April 07, tuesday
0000
63°F
SW
12 mph
12 mph
0300
64°F
SW
12 mph
12 mph
