Measurements:
°C
°F
North Myrtle Beach
60°F
N 5 mph
Feels like: 60°F
Precip: 0%
World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+58.6°F
Maximum Sea Water Temperature in March: 65.2°F
Minimum Sea Water Temperature in March: 50.2°F
Average water temperature in March: 58.3°F

Sea Water Temperature for the Last 10 Days:

March 13 58.6°F March 08 59.0°F
March 12 61.0°F March 07 56.4°F
March 11 60.0°F March 06 53.2°F
March 10 59.0°F March 05 51.6°F
March 09 59.2°F March 04 51.4°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
February 56.8 °F
December 57.0 °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 +44
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +96
Los Angeles +100
Maui +70
Miami +80
Miami Beach +82
New York +42
San Diego +94
San Francisco +74
Sarasota +76
Tampa +82
Washington +60
24 Hours Weather Forecast
North Myrtle Beach
Local time: 18:16
13 mar, friday
2100 56°F
N
8 mph
14 mar, saturday
0000 58°F
NE
7 mph
0300 54°F
E
7 mph
0600 52°F
E
6 mph
0900 56°F
SE
5 mph
1200 68°F
SW
2 mph
1500 72°F
NW
5 mph
1800 68°F
NW
9 mph