Mustang Island
Popular Texas beach near Port Aransas.
Very warm water with a moderate swell and a strong wind — good swimming conditions.
Location
Mustang Island on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
No wetsuit
At 28.9°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Recommendation tuned for Mustang Island's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Can I swim at Mustang Island today?
The sea is currently 28.9°C — good swimming conditions. Most swimmers will find it pleasant.
- • Located in Texas, United States (Gulf of Mexico).
- • Family friendly with calm, accessible water.
- • Live data refreshed hourly from Open-Meteo Marine.
Monthly sea temperature averages
Tap any month to see what to expect — based on regional climatology.
Year-round sea temperature
Best swim months: Apr – May – Jun – Jul – Aug – Sep – Oct – Nov
| Month | Sea | Comfort |
|---|---|---|
| Jan | 16°C | Bracing |
| Feb | 16°C | Bracing |
| Mar | 19°C | Pleasant |
| Apr | 23°C | Warm |
| May | 26°C | Hot |
| Jun | 29°C | Hot |
| Jul ⭐ | 30°C | Hot |
| Aug | 30°C | Hot |
| Sep | 29°C | Hot |
| Oct | 26°C | Hot |
| Nov | 21°C | Pleasant |
| Dec | 18°C | Pleasant |
Nearby beaches
The closest coastline, with live water temperatures.