Joice Island Lower water temperature
Joice Island Lower, Cordelia, California · Sea/Coast
The current water temperature at Joice Island Lower is 17.2 °C (as of September 22, 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.
Measurement series & statistics
This measurement series includes 38 data points since September 4, 2026.
Lowest recorded value: 16.4 °C on September 6, 2026 · highest value: 26.5 °C on September 7, 2026.
In September, temperatures have ranged between 16.4 °C and 26.5 °C.
The current value is 3.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Joice Island Lower right now?
The current water temperature is 17.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Joice Island Lower?
Currently 17.2 °C (updated continuously).
How warm is at Joice Island Lower in September?
In September, the water temperature recently averaged 20.3 °C.
