World sea water temperatures

Water temperature in Roanoke Island (NC) in May

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Is it warm enough to swim in Roanoke Island in May? Average water temperature in Roanoke Island in May is 67.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Roanoke Island in May is 79°F, and the coldest is 54.1°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Roanoke Island

Changes water temperature in Roanoke Island in May 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 167.1°F64.9°F55.2°F67.6°F
May 265.8°F66°F54.1°F69.1°F
May 366.9°F65.3°F56.7°F69.3°F
May 469.1°F64.4°F57.6°F72.3°F
May 569.8°F66.4°F57.6°F73.9°F
May 673.2°F67.8°F57.7°F73.2°F
May 771.2°F69.8°F59°F71.2°F
May 873°F70.9°F61.5°F73°F
May 971.2°F71.8°F60.3°F72.1°F
May 1071.6°F70.9°F58.5°F71.6°F
May 1171.6°F68°F55.6°F71.8°F
May 1271.1°F65.5°F57.6°F71.1°F
May 1370.2°F63.1°F58.5°F71.8°F
May 1470°F63.1°F60.1°F71.8°F
May 1574.1°F65.8°F62.6°F74.1°F
Day 2025 2024 Min Max
May 1671.6°F67.5°F62.4°F72.5°F
May 1774.7°F67.8°F63.3°F74.7°F
May 1875°F66.7°F65.1°F75°F
May 1972.5°F64°F64°F72.9°F
May 2073.8°F60.8°F60.8°F74.7°F
May 2171.2°F64.9°F64.8°F74.3°F
May 2272.1°F66°F64.9°F75°F
May 2371.1°F67.3°F63.9°F73.9°F
May 2470.2°F69.6°F64.9°F75°F
May 2570°F70.9°F64.8°F75°F
May 2670°F74.8°F63.7°F75°F
May 2769.6°F70.2°F63.9°F76.6°F
May 2870.3°F74.5°F64.8°F78.1°F
May 2970.9°F74.5°F63.9°F77.4°F
May 3069.4°F73.2°F67.3°F77.9°F
May 3170°F72.7°F66.6°F79°F
Roanoke Island water temp chart in May

Average water temperature in Roanoke Island in May over a decade

20162017201820192020
66.2°F68.5°F68.2°F72°F65.1°F
20212022202320242025
67.1°F68.4°F65.3°F68°F70.9°F

Roanoke Island sea state in May

Chart comparing the height of waves in Roanoke Island in May 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 Roanoke Island in May

Roanoke Island 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 May?

Want to know where the water temperature in May 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 May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Croatan Sound68.4°F55°F81.9°F
Wanchese67.5°F53.6°F77.9°F
Manns Harbor68.9°F55.9°F81.7°F
Oregon Inlet67.1°F53.4°F76.8°F
Stumpy Point70.5°F58.5°F81.1°F
Pea Island67.6°F56.7°F77.2°F
Rodanthe67.6°F57°F77.2°F
Waves68.2°F57°F77.4°F
Salvo68.2°F57°F77.4°F
Hatteras Island69.3°F58.8°F77.9°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 Roanoke Island 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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