South Slough water temperature
South Slough, Elliot Creek · Sea/Coast
The current water temperature at South Slough is 16.7 °C (as of September 20, 2026, source: NOAA NERRS SWMP).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Measurement series & statistics
This measurement series includes 68 data points since September 1, 2026.
Lowest recorded value: 15.4 °C on September 3, 2026 · highest value: 20.8 °C on September 7, 2026.
In September, temperatures have ranged between 15.4 °C and 20.8 °C.
The current value is 0.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at South Slough right now?
The current water temperature is 16.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at South Slough?
Currently 16.7 °C (updated continuously).
How warm is at South Slough in September?
In September, the water temperature recently averaged 17.0 °C.
