Current sea water temperature:
+80.6°F
| Minimum sea water temperature in May: | 84.9°F |
| Maximum sea water temperature in May: | 73.6°F |
| Average sea water temperature in May: | 79.3°F |
| more information | |
14 days
forecast
forecast
| Mustang Island |
monthly
weather
weather
| Mustang Island |
Sea water temperature for the last 10 days:
| May 23 | 80.6°F | May 18 | 79.2°F |
| May 22 | 79.5°F | May 17 | 79.0°F |
| May 21 | 79.5°F | May 16 | 78.3°F |
| May 20 | 79.7°F | May 15 | 80.2°F |
| May 19 | 79.7°F | May 14 | 79.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Mustang Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Mustang Island was noticed in August, September and July.
Monthly Sea Temperatures in Mustang Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.3°F. The highest and lowest sea temperatures during the month were 87.4°F and 84.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.2°F. The highest and lowest sea temperatures during the month were 86.0°F and 82.0°F.
current
weather
weather
| Mustang Island |
weather in
May
May
| Mustang Island |
Best time for vacation in Mustang Island
Mustang Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mustang Island
Local time: 17:16
May 23, saturday
1800
79°F
W
8 mph
8 mph
2100
75°F
NW
12 mph
12 mph
May 24, sunday
0000
77°F
N
12 mph
12 mph
0300
77°F
N
3 mph
3 mph
0600
77°F
W
2 mph
2 mph
0900
77°F
S
6 mph
6 mph
1200
79°F
W
6 mph
6 mph
1500
81°F
W
6 mph
6 mph
