World sea water temperatures

Water temperature in Cape May (NJ) in April

Is it warm enough to swim in Cape May in April? Average water temperature in Cape May in April is 48.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Cape May in April is 57.2°F, and the coldest is 40.5°F. Average high air temperature in Cape May in April is 61°F, and average low temperature is 44°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cape May

Changes water temperature in Cape May in April 2025, 2024

To get an accurate forecast for the water temperature in Cape May for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cape May, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 147.5°F46.4°F40.5°F49.6°F
April 247.5°F46.6°F41.2°F50°F
April 347.8°F45.7°F41.5°F50°F
April 447.8°F46.9°F41.7°F51.6°F
April 546.9°F46.8°F42.3°F51.1°F
April 647.1°F46.8°F42.8°F50.2°F
April 747.8°F46.4°F43.3°F50.7°F
April 848.9°F46.6°F43.3°F53.4°F
April 948.9°F46.9°F43.5°F51.6°F
April 1047.1°F48.9°F43.5°F51.1°F
April 1147.3°F49.3°F44.2°F51.3°F
April 1247.5°F48.9°F45.1°F51.3°F
April 1346.8°F48.9°F45.1°F52.2°F
April 1447.3°F49.1°F45.1°F53.1°F
April 1547.3°F52.2°F45.5°F53.1°F
Day 2025 2024 Min Max
April 1647.8°F50.4°F45.7°F54.1°F
April 1748.7°F49.8°F44.8°F55°F
April 1848.2°F51.3°F45.1°F54.7°F
April 1948.2°F49.6°F45.7°F54°F
April 2050.4°F50°F45.9°F54.5°F
April 2150.5°F51.1°F46.9°F55.4°F
April 2252.2°F50.7°F47.7°F55°F
April 2353.4°F51.4°F48°F55.2°F
April 2453.4°F52°F48.2°F54.7°F
April 2553.1°F51.3°F48°F55.8°F
April 2649.3°F51.4°F45.3°F55.6°F
April 2749.5°F49.6°F49.5°F55.6°F
April 2850.7°F53.2°F49.5°F56.3°F
April 2950.9°F54.5°F48.2°F57.2°F
April 3052.9°F53.4°F48.7°F55.8°F
Cape May water temp chart in April

Average water temperature in Cape May in April over a decade

20162017201820192020
50.2°F50°F46°F48.7°F48.7°F
20212022202320242025
49.3°F48.9°F51.6°F49.5°F49.1°F

Cape May sea state in April

Chart comparing the height of waves in Cape May in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Cape May in April

Weather and climate in Cape May in April

This data display average monthly climate indicators in Cape May in April based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature61°F
  • Average LOW temperature44°F
  • Average rainfall days11 days
  • Average rainfall89mm/3.5''
  • Average daylight13h
  • Average sunshine8h
  • Average UV index6
  • Average snowfall5mm/0.2''

Cape May water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Diamond Beach48.7°F40.3°F57°F
Wildwood Crest49.1°F40.5°F57.2°F
Cape May Point49.5°F40.8°F57.9°F
Lower Township49.8°F41°F58.1°F
Stone Harbor48.6°F40.5°F56.5°F
Villas50.7°F41.5°F61.5°F
Avalon48.4°F40.5°F56.1°F
Cape Henlopen49.8°F41°F58.1°F
Sea Isle City48.6°F40.6°F56.1°F
Broadkill Beach50.5°F41.4°F58.6°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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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.

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