Grand Bay water temperature
Grand Bay, Bangs Lake · Sea/Coast
The current water temperature at Grand Bay is 29.6 °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.
Measurement series & statistics
This measurement series includes 65 data points since September 1, 2026.
Lowest recorded value: 28.7 °C on September 19, 2026 · highest value: 33.3 °C on September 6, 2026.
In September, temperatures have ranged between 28.7 °C and 33.3 °C.
The current value is 1.4 °C below the September average of this series.
Nearby waters
More measuring points: Grand Bay
Frequently asked questions
Can you swim at Grand Bay right now?
The current water temperature is 29.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Grand Bay?
Currently 29.6 °C (updated continuously).
How warm is at Grand Bay in September?
In September, the water temperature recently averaged 31.0 °C.
