Barataria Bay near Grand Terre Island, Louisiana water temperature
Barataria Bay near Grand Terre Island, Louisiana · Lake
The current water temperature at Barataria Bay near Grand Terre Island is 29.8 °C (as of September 20, 2026, source: USGS).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 168 data points since July 22, 2026.
Lowest recorded value: 28.9 °C on July 23, 2026 · highest value: 32.6 °C on September 6, 2026.
In September, temperatures have ranged between 29.1 °C and 32.6 °C.
The current value is 0.9 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Barataria Bay near Grand Terre Island right now?
The current water temperature is 29.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Barataria Bay near Grand Terre Island?
Currently 29.8 °C (updated continuously).
How warm is at Barataria Bay near Grand Terre Island in September?
In September, the water temperature recently averaged 30.7 °C.
When is the water warmest at Barataria Bay near Grand Terre Island?
Across the measurement record, August is on average the warmest month (30.9 °C).
