Measurements:
°C
°F
North Myrtle Beach
62°F
W 8 mph
Feels like: 62°F
Precip: 100%
World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+50.6°F
Maximum Sea Water Temperature in February: 59.6°F
Minimum Sea Water Temperature in February: 43.2°F
Average water temperature in February: 51.6°F

Sea Water Temperature for the Last 10 Days:

February 21 50.6°F February 16 45.8°F
February 20 49.6°F February 15 45.8°F
February 19 48.2°F February 14 45.4°F
February 18 47.0°F February 13 45.4°F
February 17 47.0°F February 12 45.4°F

When is the Warmest Sea for North Myrtle Beach?

According to our data for the last three years for North Myrtle 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: 2025 2024 2023

The average sea surface temperature in August 2025 for North Myrtle Beach was 86.9°F. The maximum and minimum values were 85.4°F and 90.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for North Myrtle Beach was 86.4°F. The maximum and minimum values were 82.0°F and 90.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for North Myrtle Beach was 81.7°F. The maximum and minimum values were 78.6°F and 84.2°F respectively.

Best Time to Visit North Myrtle Beach
The most sunny months:
October 17 days
November 16 days
December 15 days
The most warm months:
July 89.3 °F
August 87.8 °F
June 85.9 °F
Warmest sea temperature:
August 87.0 °F
July 86.9 °F
September 83.7 °F
The most cold months:
January 52.9 °F
December 57.0 °F
February 57.4 °F
The most rainy months:
August 6 days
July 5 days
September 3 days
The most windy months:
March 10 mph
February 10 mph
April 10 mph

North Myrtle Beach on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +70
Honolulu +70
Houston +74
Las Vegas +42
Los Angeles +48
Maui +66
Miami +86
Miami Beach +78
New York +42
San Diego +50
San Francisco +46
Sarasota +74
Tampa +78
Washington +48
24 Hours Weather Forecast
North Myrtle Beach
Local time: 11:04
21 feb, saturday
1200 62°F
W
8 mph
1500 62°F
SW
8 mph
1800 58°F
SW
11 mph
2100 54°F
SW
9 mph
22 feb, sunday
0000 52°F
SW
6 mph
0300 52°F
SW
2 mph
0600 52°F
NE
2 mph
0900 50°F
E
8 mph