Barnegat Bay water temperature
Barnegat Bay, Barnegat Light, New Jersey · Sea/Coast
The current water temperature at Barnegat Bay is 21.6 °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.
Water quality
Official EPA rating: excellentMeasurement series & statistics
This measurement series includes 99 data points since August 26, 2026.
Lowest recorded value: 21.5 °C on September 21, 2026 · highest value: 26.4 °C on September 2, 2026.
In September, temperatures have ranged between 21.5 °C and 26.4 °C.
The current value is 2.4 °C below the September average of this series.
Nearby waters
More measuring points: Barnegat Bay
Frequently asked questions
Can you swim at Barnegat Bay right now?
The current water temperature is 21.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Barnegat Bay?
Currently 21.6 °C (updated continuously).
How warm is at Barnegat Bay in September?
In September, the water temperature recently averaged 24.0 °C.
How is the water quality at Barnegat Bay?
The official classification is: excellent.
