Nags Head Sea Temperature
Looking to find out what the sea water temperature in Nags Head is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Nags Head and nearby locations.
Water temperature in Nags Head right now
Below is the current sea temperature for Nags Head, United States on 20th April 2024.
14.79° C
(58.63° F)
- yesterday: 14.4° C (57.92° F)
- a week ago: 13.21° C (55.78° F)
Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a very big risk.
The average sea temperature for Nags Head on April 20th over the last 10 years is 12.6° C (54.68° F), with a low temperature of 8° C (46.4° F) and a high of 14.99° C (58.98° F).
Analysis and forecast for Nags Head water temperatures
The water temperature in Nags Head today is higher than the average temperature of 12.6° C (54.68° F) and the temperature on this day last year, 20th April 2023, was 14.74° C (58.53° F).
The chart and table below shows the change in water temperature in Nags Head over the last 30 days:
The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.
Water temperature in Nags Head by month
The chart below shows the monthly average water temperature in Nags Head.
For more detailed information on how the sea temperature in Nags Head changes for each month of the year, choose from the months below.
Nags Head map and nearby water temperatures
Locations near Nags Head
The highest temperature in United States today is 26.53° C (79.76° F) in Duck Key. The lowest is in Barrow, where the temperature of the water is -1.62° C (29.09° F).
Why measure sea surface temperatures (SST) in Nags Head?
The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Nags Head because they want to understand and learn how the ocean communicates with the atomosphere of Earth.
SST is one measure that provides information on the global climate, and it can be used to predict the weather in Nags Head as well as atmospheric model simulations and to study marine ecosystems in the area.
Data source and citation
Raw data for the calculations made to find the sea surface temperature in Nags Head comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.
The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.
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