North Topsail Beach water temp
This data the coastal North Topsail Beach 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 North Topsail Beach
Water temperature in North Topsail Beach today is 77.5°F. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near North Topsail Beach was recorded in 2018 and was 81.9°F, and the coldest was recorded in 2020 at 76.3°F. Sea water temperature in North Topsail Beach is expected to drop to 77°F in the next 10 days. September average water temperature in North Topsail Beach is 80.1°F, the minimum temperature is 75°F, and the maximum is 84.4°F.
The swimming season in North Topsail Beach lasts from May to November. During those months, North Topsail Beach water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in North Topsail Beach in winter reaches 57.6°F, in spring 63.9°F, in summer the average temperature rises to 80.2°F, and in autumn it is 73.4°F.
North Topsail Beach water temperature now
| September 24, 2025 |
|---|
| today temp |
| 77.5°F |
| September 23, 2025 |
|---|
| yesterday temp |
| 75.7°F |
The ocean salinity in North Topsail Beach is 34.24‰, and the average salinity of the World Ocean is 35‰.
Surf Forecast in North Topsail Beach 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 North Topsail Beach. 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 North Topsail Beach. Data in table shown for September 24, 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 |
|---|---|---|---|
| 3' 0" | 2' 10" | 2' 7" | 2' 6" |
| 0.92 m | 0.86 m | 0.8 m | 0.75 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 2' 4" | 2' 3" | 2' 2" | 2' 1" |
| 0.71 m | 0.68 m | 0.66 m | 0.64 m |
Surf report in North Topsail Beach
North Topsail Beach weather forecast
Current temperature and weather
Data in a table show North Topsail Beach temperature today (September 24, 2025). For more information and forecast for a few days, go to the weather forecast North Topsail Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  |  |
| 73.6°F | 72°F | 70.3°F | 73.4°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
 | | |  |
| 81.3°F | 82°F | 78.3°F | 77°F |
You may also be interested in other sections of our site for North Topsail Beach: Sunrise and Sunset, Tides
North Topsail Beach water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in North Topsail Beach. 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 North Topsail Beach 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
Chart monthly average water temperature in North Topsail Beach
