Atlantic water temperature

Atlantic, Bar Harbor, ME · Sea/Coast

The current water temperature at Atlantic is 13.8 °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.

13.8 °C

Measured: September 20, 2026 · continuously updated

💧 Water 13.8° · ☀️ Air 10.9° · high today 14.9°

Temperature trend of recent weeks

Water quality

Official EPA rating: poor

Measurement series & statistics

This measurement series includes 97 data points since August 29, 2026.

Lowest recorded value: 13.3 °C on September 18, 2026 · highest value: 17.0 °C on August 29, 2026.

In September, temperatures have ranged between 13.3 °C and 15.8 °C.

The current value is 0.6 °C below the September average of this series.

Nearby waters

Atlantic, Bar Harbor · 0.0 km away13.8 °C Atlantic, Bar Harbor / Sand Beach · 7.2 km away13.8 °C Atlantic, Eastern Maine Shelf · 33.0 km away12.0 °C Atlantic, 20 NM SE of Jonesport, ME · 72.8 km away11.8 °C Atlantic, Penobscot Bay · 73.4 km away14.9 °C

More measuring points: Atlantic

South Port Everglades34.2 °C Trident Pier, Port Canaveral32.9 °C Trout Cove, FL31.7 °C Taylor River, FL31.4 °C Satan Shoal, FL (244)30.9 °C Highway Creek, FL30.7 °C

Frequently asked questions

Can you swim at Atlantic right now?
The current water temperature is 13.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Atlantic?
Currently 13.8 °C (updated continuously).

How warm is at Atlantic in September?
In September, the water temperature recently averaged 14.4 °C.

How is the water quality at Atlantic?
The official classification is: poor.

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