Measurements:
°C
°F
Oak Island
86°F
NW 6 mph
Feels like: 90°F
Precip: 13%
World Resorts USA Oak Island Weather

Oak Island Sea Water Temperature

Current Sea Water Temperature:
+89.0°F
Maximum Sea Water Temperature in August: 90.8°F
Minimum Sea Water Temperature in August: 83.4°F
Average water temperature in August: 87.4°F

Sea Water Temperature for the Last 10 Days:

August 25 89.0°F August 20 90.2°F
August 24 89.4°F August 19 89.6°F
August 23 89.6°F August 18 89.8°F
August 22 90.8°F August 17 87.8°F
August 21 89.4°F August 16 87.4°F

When is the Warmest Sea for Oak Island?

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

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Oak Island was 88.6°F. The maximum and minimum values were 86.4°F and 90.2°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oak Island was 88.7°F. The maximum and minimum values were 86.6°F and 90.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Oak Island was 81.6°F. The maximum and minimum values were 78.2°F and 84.6°F respectively.

Best Time to Visit Oak Island
The most sunny months:
October 16 days
April 16 days
January 14 days
The most warm months:
July 89.8 °F
August 87.9 °F
June 85.8 °F
Warmest sea temperature:
July 87.6 °F
August 87.4 °F
September 83.7 °F
The most cold months:
January 52.7 °F
February 55.8 °F
December 57.0 °F
The most rainy months:
July 6 days
August 5 days
September 4 days
The most windy months:
March 10 mph
April 10 mph
February 10 mph

Oak Island on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +82
Hawaii +84
Houston +108
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
Oak Island
Local time: 17:27
25 aug, tuesday
1800 86°F
NW
6 mph
2100 80°F
NW
4 mph
26 aug, wednesday
0000 80°F
W
3 mph
0300 80°F
NE
1 mph
0600 76°F
S
2 mph
0900 86°F
W
7 mph
1200 92°F
N
6 mph
1500 94°F
N
9 mph