Cape May Water Temperature

(Today) 2024

6.4°C / 43.6°F

The water will feel very cold. For the hardcore only. The water is now dangerously cold and most people will risk hypothermia if not equipped with a thick, 6/5mm wetsuit along with boots and a hood

*Live data from Cape May, NJ: 5.8°C / 42.4°F

Current weather

7°C / 45°F
(clear sky)
Partly cloudy
Wind
8 mph
Humidity
94%

The measurements for the water temperature in Cape May, New Jersey are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Cape May water temperature derived from many years of historical sea surface temperature data.

Cape May average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Cape May
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.8 2 3.1 4.5 8.8 15.1 21.5 22.2 19.8 15.3 11 5.6
Max °C 8.9 6.9 7.6 12.9 18.5 24.5 25.9 27.3 25 22.2 15.9 12.2
Min °F 38 37.5 39.3 43.5 51.7 62.9 72.5 74 69.7 62.3 53.7 44.7
Max °F 45.1 42.4 43.8 51.9 61.4 72.3 76.9 79.1 74.9 69.2 58.6 51.3

The warmest water temperature is in August with an average around 76.5°F / 24.7°C. The coldest month is February with an average water temperature of 39.9°F / 4.4°C.