BrrChecker

Atlantic water temperature

Atlantic, Seavey Island · Sea/Coast

The current water temperature at Atlantic is 16.5 °C (as of September 20, 2026, source: NOAA CO-OPS).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

16.5 °C
Measured: September 20, 2026 · continuously updated
💧 Water 16.5° · ☀️ Air 13.7° · high today 16.3°
Temperature trend of recent weeks
Atlantic
Photo: Roger H. Goun from Brentwood, NH, USA · CC BY 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 1109 data points since July 22, 2026.

Lowest recorded value: 10.4 °C on July 24, 2026 · highest value: 20.7 °C on August 11, 2026.

In September, temperatures have ranged between 14.2 °C and 19.4 °C.

The current value is 0.9 °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 16.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Atlantic?
Currently 16.5 °C (updated continuously).

How warm is at Atlantic in September?
In September, the water temperature recently averaged 17.4 °C.

When is the water warmest at Atlantic?
Across the measurement record, August is on average the warmest month (17.7 °C).

Open in the BrrChecker app

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