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Mattapoisett Hbr water temperature

Mattapoisett Hbr, Mattapoisett Town Beach · Sea/Coast

The current water temperature at Mattapoisett Hbr is 20.6 °C (as of September 21, 2026, source: USGS · Proxy).

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

20.6 °C
Measured: September 21, 2026 · continuously updated
💧 Water 20.6° · ☀️ Air 15.9° · high today 18.4°
Temperature trend of recent weeks

Water quality

Official EPA rating: excellent

Measurement series & statistics

This measurement series includes 150 data points since July 31, 2026.

Lowest recorded value: 0.0 °C on August 3, 2026 · highest value: 25.2 °C on August 21, 2026.

In September, temperatures have ranged between 20.6 °C and 24.3 °C.

The current value is 2.5 °C below the September average of this series.

Nearby waters

More measuring points: Mattapoisett Hbr

Frequently asked questions

Can you swim at Mattapoisett Hbr right now?
The current water temperature is 20.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Mattapoisett Hbr?
Currently 20.6 °C (updated continuously).

How warm is at Mattapoisett Hbr in September?
In September, the water temperature recently averaged 23.1 °C.

How is the water quality at Mattapoisett Hbr?
The official classification is: excellent.

Open in the BrrChecker app

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