Raritan Bay water temperature
Raritan Bay, Keansburg, New Jersey · Sea/Coast
The current water temperature at Raritan Bay is 17.3 °C (as of November 6, 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.
Measurement series & statistics
This measurement series includes 482 data points since September 7, 2026.
Lowest recorded value: 13.8 °C on November 2, 2026 · highest value: 27.2 °C on September 10, 2026.
In November, temperatures have ranged between 13.8 °C and 17.5 °C.
The current value is 2.0 °C above the November average of this series.
Nearby waters
More measuring points: Raritan Bay
Frequently asked questions
Can you swim at Raritan Bay right now?
The current water temperature is 17.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Raritan Bay?
Currently 17.3 °C (updated continuously).
How warm is at Raritan Bay in November?
In November, the water temperature recently averaged 15.3 °C.
When is the water warmest at Raritan Bay?
Across the measurement record, September is on average the warmest month (22.1 °C).
