Measurements:
°C
°F
Oak Island
56°F
SW 4 mph
Feels like: 54°F
Precip: 100%
World Resorts USA Oak Island Weather

Oak Island Sea Water Temperature

Current Sea Water Temperature:
+51.8°F
Maximum Sea Water Temperature in February: 61.0°F
Minimum Sea Water Temperature in February: 44.2°F
Average water temperature in February: 52.3°F

Sea Water Temperature for the Last 10 Days:

February 21 51.8°F February 16 46.4°F
February 20 50.4°F February 15 45.2°F
February 19 48.8°F February 14 46.6°F
February 18 49.4°F February 13 45.2°F
February 17 47.4°F February 12 44.8°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: 2025 2024 2023

The average sea surface temperature in July 2025 for Oak Island was 87.5°F. The maximum and minimum values were 84.0°F and 90.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Oak Island was 86.4°F. The maximum and minimum values were 84.4°F and 89.6°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 15 days
January 14 days
The most warm months:
July 89.3 °F
August 87.9 °F
June 85.5 °F
Warmest sea temperature:
July 87.4 °F
August 87.2 °F
September 83.7 °F
The most cold months:
January 52.7 °F
February 56.9 °F
December 57.0 °F
The most rainy months:
July 5 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
Chicago +28
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Oak Island
Local time: 08:21
21 feb, saturday
0900 56°F
SW
4 mph
1200 58°F
SW
8 mph
1500 56°F
W
7 mph
1800 56°F
W
7 mph
2100 52°F
SW
7 mph
22 feb, sunday
0000 50°F
W
6 mph
0300 48°F
NW
2 mph
0600 48°F
S
7 mph