Mission Aransas water temperature

Mission Aransas, Copano Bay East · Sea/Coast

The current water temperature at Mission Aransas is 31.3 °C (as of September 1, 2026, source: NOAA NERRS SWMP).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

31.3 °C

Measured: September 1, 2026 · continuously updated

💧 Water 31.3° · ☀️ Air 30.6° · high today 33.5°

Nearby waters

Gulf of Mexico, Copano Bay · 2.0 km away32.0 °C Gulf of Mexico, Rockport, TX · 12.1 km away33.1 °C Gulf of Mexico, Rockport · 12.4 km away33.0 °C Mission Aransas, Aransas Bay · 17.0 km away31.9 °C Mission Aransas, Copano Bay West · 17.2 km away32.4 °C

More measuring points: Mission Aransas

Mesquite Bay32.5 °C Copano Bay West32.4 °C Aransas Bay31.9 °C Ship Channel30.1 °C

Frequently asked questions

Can you swim at Mission Aransas right now?
The current water temperature is 31.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Mission Aransas?
Currently 31.3 °C (updated continuously).

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