Flax Pond water temperature
Flax Pond, Old Field, New York · Sea/Coast
The current water temperature at Flax Pond is 21.4 °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: goodMeasurement series & statistics
This measurement series includes 435 data points since July 23, 2026.
Lowest recorded value: 21.1 °C on September 20, 2026 · highest value: 30.8 °C on August 9, 2026.
In September, temperatures have ranged between 21.1 °C and 27.1 °C.
The current value is 2.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Flax Pond right now?
The current water temperature is 21.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Flax Pond?
Currently 21.4 °C (updated continuously).
How warm is at Flax Pond in September?
In September, the water temperature recently averaged 23.8 °C.
When is the water warmest at Flax Pond?
Across the measurement record, August is on average the warmest month (24.9 °C).
How is the water quality at Flax Pond?
The official classification is: good.
