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Carquinez Strait A Carquinez Branch near Crockett, California water temperature

Carquinez Strait A Carquinez Branch near Crockett, California · Sea/Coast

The current water temperature at Carquinez Strait A Carquinez Branch near Crockett is 19.8 °C (as of September 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.

19.8 °C
Measured: September 20, 2026 · continuously updated
💧 Water 19.8° · ☀️ Air 13.9° · high today 24.4°
Temperature trend of recent weeks
Carquinez Strait A Carquinez Branch near Crockett, California
Photo: Joe Futrelle · CC BY-SA 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 403 data points since July 22, 2026.

Lowest recorded value: 19.5 °C on September 4, 2026 · highest value: 21.9 °C on August 1, 2026.

In September, temperatures have ranged between 19.5 °C and 20.5 °C.

The current value is 0.1 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at Carquinez Strait A Carquinez Branch near Crockett right now?
The current water temperature is 19.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Carquinez Strait A Carquinez Branch near Crockett?
Currently 19.8 °C (updated continuously).

How warm is at Carquinez Strait A Carquinez Branch near Crockett in September?
In September, the water temperature recently averaged 19.9 °C.

When is the water warmest at Carquinez Strait A Carquinez Branch near Crockett?
Across the measurement record, July is on average the warmest month (21.0 °C).

Open in the BrrChecker app

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