Hackberry Bay Nw of Grand Isle, Louisiana water temperature
Hackberry Bay Nw of Grand Isle, Louisiana · Sea/Coast
The current water temperature at Hackberry Bay Nw of Grand Isle is 30.1 °C (as of September 21, 2026, source: USGS).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Measurement series & statistics
This measurement series includes 160 data points since July 23, 2026.
Lowest recorded value: 29.0 °C on September 1, 2026 · highest value: 32.7 °C on August 16, 2026.
In September, temperatures have ranged between 29.0 °C and 32.6 °C.
The current value is 0.5 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Hackberry Bay Nw of Grand Isle right now?
The current water temperature is 30.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Hackberry Bay Nw of Grand Isle?
Currently 30.1 °C (updated continuously).
How warm is at Hackberry Bay Nw of Grand Isle in September?
In September, the water temperature recently averaged 30.6 °C.
When is the water warmest at Hackberry Bay Nw of Grand Isle?
Across the measurement record, July is on average the warmest month (31.0 °C).
