World sea water temperatures

Water temperature in Portsmouth (NC) in April

Is it warm enough to swim in Portsmouth in April? Average water temperature in Portsmouth in April is 65.5°F and therefore is not suitable for comfortable swimming. The warmest sea in Portsmouth in April is 73.8°F, and the coldest is 55.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Portsmouth

Changes water temperature in Portsmouth in April 2025, 2024

To get an accurate forecast for the water temperature in Portsmouth for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Portsmouth, 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 165.5°F55.2°F55.2°F68.9°F
April 265.3°F57.4°F57.4°F68.4°F
April 366.2°F56.7°F56.7°F68.2°F
April 465.5°F60.3°F59.2°F70.2°F
April 566.9°F64°F58.8°F69.6°F
April 667.5°F62.2°F57.9°F69.1°F
April 766.9°F59.5°F59.4°F67.8°F
April 867.3°F59.4°F59.4°F67.5°F
April 967.3°F60.1°F59.9°F67.3°F
April 1067.5°F62.2°F60.1°F68.2°F
April 1167.6°F62.8°F60.3°F68.4°F
April 1264°F63.5°F61.5°F68.4°F
April 1366.6°F63.5°F61°F68.5°F
April 1466.4°F64°F61.3°F69.3°F
April 1566.2°F64.8°F61.9°F70°F
Day 2025 2024 Min Max
April 1665.8°F64.6°F62.6°F69.3°F
April 1766°F65.1°F62.4°F68.9°F
April 1868°F66.2°F62.8°F70°F
April 1966.9°F65.7°F62.6°F69.6°F
April 2068.2°F66.7°F62.4°F70.5°F
April 2168.2°F66.7°F62.4°F70.9°F
April 2268.7°F62.6°F62.6°F71.1°F
April 2368.4°F62.4°F61.7°F70.9°F
April 2467.5°F62.4°F62.4°F71.1°F
April 2568.9°F64°F63.1°F72°F
April 2667.1°F59.4°F59.4°F72.1°F
April 2769.4°F59.9°F59.9°F72°F
April 2868.7°F63.3°F63.3°F72.7°F
April 2968.9°F62.8°F62.8°F73°F
April 3068.2°F62.6°F62.6°F73.8°F
Portsmouth water temp chart in April

Average water temperature in Portsmouth in April over a decade

20162017201820192020
64.8°F69.8°F63.5°F66.2°F64.6°F
20212022202320242025
65.1°F66.4°F67.3°F62.4°F67.1°F

Portsmouth sea state in April

Chart comparing the height of waves in Portsmouth 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 Portsmouth in April

Portsmouth 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
Davis64.9°F57.6°F72.9°F
Buxton64.8°F52°F73°F
Engelhard62.6°F51.1°F74.3°F
Cape Hatteras65.8°F51.3°F73.4°F
Oriental63.7°F54.3°F73.6°F
Outer Banks64.8°F50.9°F72.3°F
Harkers Island64.2°F55.8°F72.3°F
Cape Lookout64.6°F58.5°F72.3°F
Beaufort63.9°F54.3°F73.8°F
Minnesott Beach63.9°F54.5°F72.9°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 Portsmouth 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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