Mission Aransas, Copano Bay East · Sea/Coast
The current water temperature at Mission Aransas is 25.5 °C (as of November 5, 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.
This measurement series includes 470 data points since September 6, 2026.
Lowest recorded value: 21.1 °C on October 18, 2026 · highest value: 32.3 °C on September 7, 2026.
In November, temperatures have ranged between 24.7 °C and 26.4 °C.
The current value is 0.2 °C below the November average of this series.
Can you swim at Mission Aransas right now?
The current water temperature is 25.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Mission Aransas?
Currently 25.5 °C (updated continuously).
How warm is at Mission Aransas in November?
In November, the water temperature recently averaged 25.7 °C.
When is the water warmest at Mission Aransas?
Across the measurement record, September is on average the warmest month (30.8 °C).