Bay of Fundy, Saint John · Sea/Coast
The current water temperature at Bay of Fundy is 13.4 °C (as of September 20, 2026, source: SmartAtlantic).
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 146 data points since September 6, 2026.
Lowest recorded value: 13.0 °C on September 19, 2026 · highest value: 15.1 °C on September 7, 2026.
In September, temperatures have ranged between 13.0 °C and 15.1 °C.
The current value is 0.5 °C below the September average of this series.
Can you swim at Bay of Fundy right now?
The current water temperature is 13.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Bay of Fundy?
Currently 13.4 °C (updated continuously).
How warm is at Bay of Fundy in September?
In September, the water temperature recently averaged 13.9 °C.