BrrChecker

Pacific water temperature

Pacific, Stinson Beach · Sea/Coast

The current water temperature at Pacific is 18.8 °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.

18.8 °C
Measured: September 20, 2026 · continuously updated
💧 Water 18.8° · ☀️ Air 12.8° · high today 17.9°
Temperature trend of recent weeks
Pacific
Photo: this copy appeared in "History watch: Plan derailed," Marin Independent… · Public domain · Wikimedia Commons

Water quality

Official EPA rating: excellent

Measurement series & statistics

This measurement series includes 623 data points since July 22, 2026.

Lowest recorded value: 13.7 °C on July 30, 2026 · highest value: 19.4 °C on September 8, 2026.

In September, temperatures have ranged between 14.5 °C and 19.4 °C.

The current value is 2.6 °C above the September average of this series.

Nearby waters

More measuring points: Pacific

Frequently asked questions

Can you swim at Pacific right now?
The current water temperature is 18.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Pacific?
Currently 18.8 °C (updated continuously).

How warm is at Pacific in September?
In September, the water temperature recently averaged 16.2 °C.

When is the water warmest at Pacific?
Across the measurement record, September is on average the warmest month (16.2 °C).

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

Open in the BrrChecker app

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