Measurements:
°C
°F
Oak Island
38°F
S 7 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Oak Island Weather

Oak Island Sea Water Temperature

Current Sea Water Temperature:
+49.2°F
Maximum Sea Water Temperature in January: 62.8°F
Minimum Sea Water Temperature in January: 44.0°F
Average water temperature in January: 53.4°F

Sea Water Temperature for the Last 10 Days:

January 29 49.2°F January 24 53.4°F
January 28 50.4°F January 23 52.8°F
January 27 50.4°F January 22 51.4°F
January 26 53.6°F January 21 52.2°F
January 25 53.6°F January 20 52.4°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: 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 52.9 °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 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Oak Island
Local time: 10:54
29 jan, thursday
1200 38°F
S
7 mph
1500 44°F
S
6 mph
1800 38°F
S
6 mph
2100 34°F
SW
6 mph
30 jan, friday
0000 32°F
SW
6 mph
0300 32°F
SW
6 mph
0600 32°F
SW
6 mph
0900 36°F
SW
7 mph