Merrimack River Estuary Us of Shad Creek, Salisbury, Massachusetts water temperature

Merrimack River Estuary Us of Shad Creek, Salisbury, Massachusetts · Sea/Coast

The current water temperature at Merrimack River Estuary Us of Shad Creek is 21.1 °C (as of August 20, 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.

21.1 °C

Measured: August 20, 2026 · continuously updated

💧 Water 21.1° · ☀️ Air 19.2° · high today 20.4°

Temperature trend of recent weeks

Merrimack River Estuary Us of Shad Creek, Salisbury, Massachusetts — Photo: Giorgio Galeotti · CC BY-SA 4.0 · Wikimedia Commons

Water quality

Official EPA rating: good

Measurement series & statistics

This measurement series includes 300 data points since July 8, 2026.

Lowest recorded value: 11.7 °C on July 23, 2026 · highest value: 26.0 °C on July 12, 2026.

Nearby waters

Atlantic, Hampton Beach · 10.0 km away21.6 °C Atlantic, Great Bay Buoy · 28.1 km away21.6 °C Atlantic, Seavey Island · 30.0 km away17.6 °C Atlantic, Seavey Island, ME · 30.0 km away17.2 °C Danvers River at Beverly Pier at Beverly, Massachusetts · 31.3 km away20.0 °C

Frequently asked questions

Can you swim at Merrimack River Estuary Us of Shad Creek right now?
The current water temperature is 21.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Merrimack River Estuary Us of Shad Creek?
Currently 21.1 °C (updated continuously).

How is the water quality at Merrimack River Estuary Us of Shad Creek?
The official classification is: good.

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