Cape May water temp

This data the coastal Cape May ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Cape May

Water temperature in Cape May today is 73.9°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Cape May was recorded in 2018 and was 79.7°F, and the coldest was recorded in 2024 at 69.6°F. Sea water temperature in Cape May is expected to drop to 72.5°F in the next 10 days. September average water temperature in Cape May is 72.5°F, the minimum temperature is 66.4°F, and the maximum is 79.7°F.

The swimming season in Cape May lasts from June to October. During those months, Cape May water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Cape May in winter reaches 43.3°F, in spring 49.8°F, in summer the average temperature rises to 72°F, and in autumn it is 64.8°F.

Cape May water temperature now

The ocean salinity in Cape May is 29.92‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Cape May for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Cape May. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Cape May. Data in table shown for September 7, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Cape May

Cape May weather forecast

Current temperature and weather

Data in a table show Cape May temperature today (September 7, 2025). For more information and forecast for a few days, go to the weather forecast Cape May.

0-3 h	3-6 h	6-9 h	9-12 h
74.7°F	73.8°F	73.4°F	75.4°F

12-15 h	15-18 h	18-21 h	21-24 h
78.1°F	79.3°F	76.8°F	73.4°F

Cape May water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Cape May. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Cape May on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Cape May

The nearest beaches and cities from Cape May with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Diamond Beach	73.9°F	78.8°F		3' 0"
Wildwood Crest	73.8°F	78.8°F		3' 0"
Cape May Point	73.8°F	78.8°F		2' 7"
Lower Township	73.8°F	78.8°F		2' 7"
Stone Harbor	73.6°F	75.2°F		3' 5"
Villas	73.9°F	78.8°F		2' 0"
Avalon	73.6°F	75.2°F		2' 11"
Cape Henlopen	74.1°F	80.6°F		1' 11"
Sea Isle City	73.6°F	75.2°F		2' 11"
Broadkill Beach	74.1°F	80.6°F		1' 5"

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Cape May Beach

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Our report for Cape May is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.