Mission Aransas water temperature

Mission Aransas, Ship Channel · Sea/Coast

The current water temperature at Mission Aransas is 30.7 °C (as of September 20, 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.

30.7 °C

Measured: September 20, 2026 · continuously updated

💧 Water 30.7° · ☀️ Air 28.7° · high today 30.0°

Temperature trend of recent weeks

Water quality

Official EPA rating: excellent

Measurement series & statistics

This measurement series includes 65 data points since September 1, 2026.

Lowest recorded value: 29.7 °C on September 2, 2026 · highest value: 31.5 °C on September 9, 2026.

In September, temperatures have ranged between 29.7 °C and 31.5 °C.

The current value is 0.3 °C above the September average of this series.

Nearby waters

Gulf of Mexico, Port Aransas · 1.5 km away30.7 °C Gulf of Mexico, Port Aransas, TX · 2.1 km away30.7 °C Gulf of Mexico, Port Aransas · 2.2 km away30.7 °C Gulf of Mexico, Enbridge, Ingleside, TX · 14.9 km away30.5 °C Gulf of Mexico, Enbridge, Ingleside · 15.8 km away30.6 °C

More measuring points: Mission Aransas

Aransas Bay31.0 °C Copano Bay East30.3 °C Copano Bay West29.6 °C Mesquite Bay29.4 °C

Frequently asked questions

Can you swim at Mission Aransas right now?
The current water temperature is 30.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Mission Aransas?
Currently 30.7 °C (updated continuously).

How warm is at Mission Aransas in September?
In September, the water temperature recently averaged 30.4 °C.

How is the water quality at Mission Aransas?
The official classification is: excellent.

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