Atlantic water temperature
Atlantic, Bethany Beach · Sea/Coast
The current water temperature at Atlantic is 23.7 °C (as of September 20, 2026, source: NOAA NDBC).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
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Water quality
Official EPA rating: excellentMeasurement series & statistics
This measurement series includes 623 data points since July 22, 2026.
Lowest recorded value: 22.9 °C on August 23, 2026 · highest value: 26.4 °C on August 10, 2026.
In September, temperatures have ranged between 23.5 °C and 26.4 °C.
The current value is 1.4 °C below the September average of this series.
Nearby waters
More measuring points: Atlantic
Frequently asked questions
Can you swim at Atlantic right now?
The current water temperature is 23.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Atlantic?
Currently 23.7 °C (updated continuously).
How warm is at Atlantic in September?
In September, the water temperature recently averaged 25.1 °C.
When is the water warmest at Atlantic?
Across the measurement record, September is on average the warmest month (25.1 °C).
How is the water quality at Atlantic?
The official classification is: excellent.
