Current sea water temperature:
+86.9°F
| Minimum sea water temperature in September: | 87.6°F |
| Maximum sea water temperature in September: | 80.2°F |
| Average sea water temperature in September: | 85.4°F |
| more information | |
14 days
forecast
forecast
| Port Aransas |
monthly
weather
weather
| Port Aransas |
Sea water temperature for the last 10 days:
| September 22 | 86.9°F | September 17 | 86.5°F |
| September 21 | 86.2°F | September 16 | 86.2°F |
| September 20 | 86.2°F | September 15 | 86.7°F |
| September 19 | 86.5°F | September 14 | 86.9°F |
| September 18 | 86.0°F | September 13 | 86.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Port Aransas?
Based on the data about daily sea water temperature for the last three years the warmest sea in Port Aransas was noticed in August, September and July.
Monthly Sea Temperatures in Port Aransas, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 85.3°F. The highest and lowest sea temperatures during the month were 86.7°F and 82.9°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.4°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 83.3°F.
current
weather
weather
| Port Aransas |
weather in
September
September
| Port Aransas |
Best time for vacation in Port Aransas
Port Aransas on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port Aransas
Local time: 00:26
September 23, wednesday
0300

84°F
NW
8 mph
8 mph
0600

84°F
W
7 mph
7 mph
0900

84°F
W
12 mph
12 mph
1200

84°F
W
13 mph
13 mph
1500

84°F
W
16 mph
16 mph
1800

86°F
W
16 mph
16 mph
2100

86°F
W
16 mph
16 mph
September 24, thursday
0000

84°F
W
14 mph
14 mph



























