Oak Island water temp
This data the coastal Oak 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 Oak Island
Water temperature in Oak Island today is 79.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Oak Island was recorded in 2020 and was 86°F, and the coldest was recorded in 2009 at 80.1°F. Sea water temperature in Oak Island is expected to rise to 81.1°F in the next 10 days. September average water temperature in Oak Island is 80.4°F, the minimum temperature is 74.3°F, and the maximum is 86°F.
The swimming season in Oak Island lasts from May to November. During those months, Oak Island water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Oak Island in winter reaches 57.7°F, in spring 65.3°F, in summer the average temperature rises to 81.5°F, and in autumn it is 73.4°F.
Oak Island water temperature now
| September 5, 2025 |
|---|
| today temp |
| 79.3°F |
| September 4, 2025 |
|---|
| yesterday temp |
| 78.6°F |
The ocean salinity in Oak Island is 33.87‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in Oak 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 Oak 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 Oak 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 |
|---|---|---|---|
| 1' 5" | 1' 5" | 1' 4" | 1' 3" |
| 0.44 m | 0.44 m | 0.4 m | 0.38 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 2" | 1' 2" | 1' 1" | 1' 2" |
| 0.36 m | 0.35 m | 0.34 m | 0.35 m |
Surf report in Oak Island
Oak Island weather forecast
Current temperature and weather
Data in a table show Oak Island temperature today (September 5, 2025). For more information and forecast for a few days, go to the weather forecast Oak Island.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 77.7°F | 77.2°F | 75.7°F | 78.6°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | | |
| 82.9°F | 81.9°F | 81°F | 78.6°F |
You may also be interested in other sections of our site for Oak Island: Sunrise and Sunset, Tides
Oak Island water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Oak 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 Oak 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 | 57°F | 43.2°F | 69.1°F | cold |
| Ocean water temperature in Oak Island in January | ||||
| February | 55.9°F | 47.7°F | 65.7°F | cold |
| Ocean water temperature in Oak Island in February | ||||
| March | 59°F | 48.2°F | 67.6°F | cold |
| Ocean water temperature in Oak Island in March | ||||
| April | 64.4°F | 54.5°F | 73°F | cold |
| Ocean water temperature in Oak Island in April | ||||
| May | 72.3°F | 63.1°F | 80.6°F | warm |
| Ocean water temperature in Oak Island in May | ||||
| June | 79.2°F | 71.1°F | 84.9°F | hot |
| Ocean water temperature in Oak Island in June | ||||
| July | 82.6°F | 79.3°F | 87.1°F | hot |
| Ocean water temperature in Oak Island in July | ||||
| August | 82.9°F | 79°F | 86.4°F | hot |
| Ocean water temperature in Oak Island in August | ||||
| September | 80.4°F | 74.3°F | 86°F | hot |
| Ocean water temperature in Oak Island in September | ||||
| October | 73.9°F | 67.1°F | 81.9°F | warm |
| Ocean water temperature in Oak Island in October | ||||
| November | 66°F | 56.7°F | 73.4°F | cold |
| Ocean water temperature in Oak Island in November | ||||
| December | 60.3°F | 48.4°F | 70.2°F | cold |
| Ocean water temperature in Oak Island in December | ||||
Chart monthly average water temperature in Oak Island
