Poquonnock River at Bluff Point State Park, Connecticut · Sea/Coast
The current water temperature at Poquonnock River at Bluff Point State Park is 23.3 °C (as of September 20, 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.
This measurement series includes 114 data points since August 26, 2026.
Lowest recorded value: 21.8 °C on September 3, 2026 · highest value: 26.1 °C on August 26, 2026.
In September, temperatures have ranged between 21.8 °C and 24.4 °C.
The current value is 0.1 °C above the September average of this series.
Can you swim at Poquonnock River at Bluff Point State Park right now?
The current water temperature is 23.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Poquonnock River at Bluff Point State Park?
Currently 23.3 °C (updated continuously).
How warm is at Poquonnock River at Bluff Point State Park in September?
In September, the water temperature recently averaged 23.2 °C.