Great Bay water temperature
Great Bay, Lamprey River · Sea/Coast
The current water temperature at Great Bay is 12.2 °C (as of November 6, 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 453 data points since September 7, 2026.
Lowest recorded value: 8.7 °C on October 29, 2026 · highest value: 22.8 °C on September 7, 2026.
In November, temperatures have ranged between 9.1 °C and 12.2 °C.
The current value is 1.0 °C above the November average of this series.
Nearby waters
More measuring points: Great Bay
Frequently asked questions
Can you swim at Great Bay right now?
The current water temperature is 12.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Great Bay?
Currently 12.2 °C (updated continuously).
How warm is at Great Bay in November?
In November, the water temperature recently averaged 11.2 °C.
When is the water warmest at Great Bay?
Across the measurement record, September is on average the warmest month (19.8 °C).
