Measurements:
°C
°F
North Topsail Beach
88°F
N 7 mph
Feels like: 90°F
Precip: 8%
World Resorts USA North Topsail Beach Weather

North Topsail Beach Sea Water Temperature

Current Sea Water Temperature:
+86.6°F
Maximum Sea Water Temperature in August: 89.0°F
Minimum Sea Water Temperature in August: 83.4°F
Average water temperature in August: 85.9°F

Sea Water Temperature for the Last 10 Days:

August 25 86.6°F August 20 87.6°F
August 24 87.0°F August 19 87.4°F
August 23 87.6°F August 18 86.4°F
August 22 88.6°F August 17 86.4°F
August 21 88.0°F August 16 85.0°F

When is the Warmest Sea for North Topsail Beach?

According to our data for the last three years for North Topsail Beach the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for North Topsail Beach was 86.3°F. The maximum and minimum values were 84.8°F and 88.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for North Topsail Beach was 87.0°F. The maximum and minimum values were 85.4°F and 88.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for North Topsail Beach was 80.8°F. The maximum and minimum values were 77.6°F and 83.6°F respectively.

Best Time to Visit North Topsail Beach
The most sunny months:
April 17 days
October 16 days
January 15 days
The most warm months:
July 91.0 °F
August 88.8 °F
June 87.7 °F
Warmest sea temperature:
August 85.9 °F
July 85.7 °F
September 82.8 °F
The most cold months:
January 52.4 °F
February 56.4 °F
December 56.8 °F
The most rainy months:
July 5 days
August 5 days
May 3 days
The most windy months:
March 9 mph
April 9 mph
February 8 mph

North Topsail Beach on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
North Topsail Beach
Local time: 17:37
25 aug, tuesday
1800 88°F
N
7 mph
2100 80°F
NW
3 mph
26 aug, wednesday
0000 80°F
NW
3 mph
0300 76°F
S
3 mph
0600 74°F
SW
3 mph
0900 86°F
W
6 mph
1200 88°F
NW
4 mph
1500 92°F
N
7 mph