Measurements:
°C
°F
Oak Island
78°F
SE 9 mph
Feels like: 80°F
Precip: 0%
World Resorts USA Oak Island Weather

Oak Island Sea Water Temperature

Current Sea Water Temperature:
+71.8°F
Maximum Sea Water Temperature in May: 81.6°F
Minimum Sea Water Temperature in May: 68.2°F
Average water temperature in May: 74.7°F

Sea Water Temperature for the Last 10 Days:

May 14 71.8°F May 09 69.6°F
May 13 72.0°F May 08 72.0°F
May 12 72.4°F May 07 70.8°F
May 11 73.4°F May 06 70.0°F
May 10 70.2°F May 05 68.2°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 16 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 55.8 °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
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Oak Island
Local time: 13:07
14 may, thursday
1500 80°F
SE
12 mph
1800 82°F
SE
14 mph
2100 72°F
S
13 mph
15 may, friday
0000 64°F
S
8 mph
0300 58°F
S
10 mph
0600 54°F
S
9 mph
0900 60°F
S
9 mph
1200 70°F
SE
7 mph