Cape May Harbor at Cape May, New Jersey water temperature
Cape May Harbor at Cape May, New Jersey · Sea/Coast
The current water temperature at Cape May Harbor at Cape May is 23.8 °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.
Water quality
Official EPA rating: excellentMeasurement series & statistics
This measurement series includes 111 data points since August 26, 2026.
Lowest recorded value: 23.8 °C on September 20, 2026 · highest value: 26.5 °C on September 5, 2026.
In September, temperatures have ranged between 23.8 °C and 26.5 °C.
The current value is 1.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Cape May Harbor at Cape May right now?
The current water temperature is 23.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cape May Harbor at Cape May?
Currently 23.8 °C (updated continuously).
How warm is at Cape May Harbor at Cape May in September?
In September, the water temperature recently averaged 25.2 °C.
How is the water quality at Cape May Harbor at Cape May?
The official classification is: excellent.
