Raritan Bay, Belvedero Beach · Sea/Coast
The current water temperature at Raritan Bay is 22.3 °C (as of September 21, 2026, source: USGS · Proxy).
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 99 data points since August 26, 2026.
Lowest recorded value: 22.3 °C on September 21, 2026 · highest value: 27.7 °C on August 26, 2026.
In September, temperatures have ranged between 22.3 °C and 27.2 °C.
The current value is 2.8 °C below the September average of this series.
Can you swim at Raritan Bay right now?
The current water temperature is 22.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Raritan Bay?
Currently 22.3 °C (updated continuously).
How warm is at Raritan Bay in September?
In September, the water temperature recently averaged 25.1 °C.