Manasquan River water temperature
Manasquan River, Allenwood, New Jersey · River
The current water temperature at Manasquan River is 18.4 °C (as of September 21, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 161 data points since July 23, 2026.
Lowest recorded value: 17.7 °C on September 16, 2026 · highest value: 24.1 °C on August 7, 2026.
In September, temperatures have ranged between 17.7 °C and 23.1 °C.
The current value is 2.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Manasquan River right now?
The current water temperature is 18.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Manasquan River?
Currently 18.4 °C (updated continuously).
How warm is at Manasquan River in September?
In September, the water temperature recently averaged 20.5 °C.
When is the water warmest at Manasquan River?
Across the measurement record, July is on average the warmest month (20.9 °C).
