Roanoke Island water temp
This data the coastal Roanoke Island 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 Roanoke Island
Water temperature in Roanoke Island today is 75.6°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Roanoke Island was recorded in 2018 and was 84.4°F, and the coldest was recorded in 2016 at 75.7°F. Sea water temperature in Roanoke Island is expected to rise to 77.2°F in the next 10 days. September average water temperature in Roanoke Island is 76.8°F, the minimum temperature is 70.7°F, and the maximum is 84.9°F.
The swimming season in Roanoke Island lasts from May to October. During those months, Roanoke Island water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Roanoke Island in winter reaches 51.6°F, in spring 59.5°F, in summer the average temperature rises to 78.8°F, and in autumn it is 69.6°F.
Roanoke Island water temperature now
| September 5, 2025 |
|---|
| today temp |
| 75.6°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 75.4°F |
The ocean salinity in Roanoke Island is 30.85‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Roanoke Island 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 Roanoke Island. 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 Roanoke Island. Data in table shown for September 5, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 2' 0" | 1' 10" | 1' 8" | 1' 7" |
| 0.6 m | 0.57 m | 0.51 m | 0.47 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 5" | 1' 7" | 1' 8" | 1' 7" |
| 0.44 m | 0.49 m | 0.52 m | 0.47 m |
Surf report in Roanoke Island
Roanoke Island weather forecast
Current temperature and weather
Data in a table show Roanoke Island temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Roanoke Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 74.8°F | 74.5°F | 74.3°F | 76.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 81.3°F | 81°F | 78.4°F | 75.9°F |
You may also be interested in other sections of our site for Roanoke Island: Sunrise and Sunset, Tides
Roanoke Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Roanoke Island. 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 Roanoke Island 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 51.1°F | 34.7°F | 62.4°F | cold |
| Ocean water temperature in Roanoke Island in January | ||||
| February | 48.9°F | 39.7°F | 59.9°F | cold |
| Ocean water temperature in Roanoke Island in February | ||||
| March | 51.6°F | 42.4°F | 62.6°F | cold |
| Ocean water temperature in Roanoke Island in March | ||||
| April | 59.2°F | 47.7°F | 68.2°F | cold |
| Ocean water temperature in Roanoke Island in April | ||||
| May | 67.6°F | 54.1°F | 79°F | cold |
| Ocean water temperature in Roanoke Island in May | ||||
| June | 76.1°F | 64.4°F | 85.3°F | warm |
| Ocean water temperature in Roanoke Island in June | ||||
| July | 80.2°F | 74.5°F | 86.9°F | hot |
| Ocean water temperature in Roanoke Island in July | ||||
| August | 80.1°F | 75.4°F | 85.1°F | hot |
| Ocean water temperature in Roanoke Island in August | ||||
| September | 76.8°F | 70.7°F | 84.9°F | warm |
| Ocean water temperature in Roanoke Island in September | ||||
| October | 70.2°F | 62.6°F | 79.7°F | warm |
| Ocean water temperature in Roanoke Island in October | ||||
| November | 61.7°F | 52°F | 70.3°F | cold |
| Ocean water temperature in Roanoke Island in November | ||||
| December | 55°F | 46.2°F | 64.8°F | cold |
| Ocean water temperature in Roanoke Island in December | ||||
Chart monthly average water temperature in Roanoke Island
