West Harbor water temperature
West Harbor, Soundside Beach · Sea/Coast
The current water temperature at West Harbor is 22.1 °C (as of September 21, 2026, source: USGS · Proxy).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Water quality
Official EPA rating: excellentMeasurement series & statistics
This measurement series includes 425 data points since July 23, 2026.
Lowest recorded value: 22.1 °C on September 21, 2026 · highest value: 28.5 °C on August 9, 2026.
In September, temperatures have ranged between 22.1 °C and 25.8 °C.
The current value is 2.2 °C below the September average of this series.
Nearby waters
More measuring points: West Harbor
Frequently asked questions
Can you swim at West Harbor right now?
The current water temperature is 22.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at West Harbor?
Currently 22.1 °C (updated continuously).
How warm is at West Harbor in September?
In September, the water temperature recently averaged 24.3 °C.
When is the water warmest at West Harbor?
Across the measurement record, August is on average the warmest month (25.6 °C).
How is the water quality at West Harbor?
The official classification is: excellent.
