Measurements:
°C
°F
Myrtle Beach
62°F
NW 7 mph
Feels like: 62°F
Precip: 0%
World Resorts USA Myrtle Beach Weather

Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+62.4°F
Maximum Sea Water Temperature in April: 73.0°F
Minimum Sea Water Temperature in April: 59.2°F
Average water temperature in April: 66.6°F

Sea Water Temperature for the Last 10 Days:

April 03 62.4°F March 29 59.4°F
April 02 62.0°F March 28 59.6°F
April 01 61.4°F March 27 57.6°F
March 31 58.8°F March 26 56.2°F
March 30 59.0°F March 25 57.0°F

When is the Warmest Sea for Myrtle Beach?

According to our data for the last three years for 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 Myrtle Beach was 86.8°F. The maximum and minimum values were 85.4°F and 90.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Myrtle Beach was 85.4°F. The maximum and minimum values were 80.0°F and 89.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Myrtle Beach was 81.8°F. The maximum and minimum values were 78.4°F and 84.6°F respectively.

Best Time to Visit Myrtle Beach
The most sunny months:
October 17 days
November 16 days
April 16 days
The most warm months:
July 91.2 °F
August 89.4 °F
June 87.9 °F
Warmest sea temperature:
August 86.7 °F
July 86.5 °F
September 83.7 °F
The most cold months:
January 54.2 °F
December 58.0 °F
February 58.7 °F
The most rainy months:
August 5 days
July 4 days
June 3 days
The most windy months:
March 9 mph
February 8 mph
April 8 mph

Myrtle Beach on the Weather Map

USA Resorts:
NAME
Chicago +46
Hawaii +74
Honolulu +74
Houston +74
Las Vegas +54
Los Angeles +56
Maui +66
Miami +74
Miami Beach +78
New York +40
San Diego +58
San Francisco +50
Sarasota +72
Tampa +72
Washington +48
24 Hours Weather Forecast
Myrtle Beach
Local time: 05:51
03 apr, friday
0600 62°F
NW
7 mph
0900 68°F
NW
9 mph
1200 72°F
NW
9 mph
1500 72°F
NW
11 mph
1800 70°F
N
9 mph
2100 66°F
NW
6 mph
04 apr, saturday
0000 62°F
N
7 mph
0300 60°F
N
6 mph