Measurements:
°C
°F
North Myrtle Beach
90°F
N 10 mph
Feels like: 106°F
Precip: 10%
World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+87.0°F
Maximum Sea Water Temperature in August: 90.2°F
Minimum Sea Water Temperature in August: 83.6°F
Average water temperature in August: 87.0°F

Sea Water Temperature for the Last 10 Days:

August 05 87.0°F July 31 88.4°F
August 04 87.6°F July 30 88.8°F
August 03 88.0°F July 29 88.0°F
August 02 88.6°F July 28 88.0°F
August 01 88.4°F July 27 88.0°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 July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for North Myrtle Beach was 88.5°F. The maximum and minimum values were 87.0°F and 89.6°F respectively.

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 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
April 17 days
November 16 days
The most warm months:
July 90.0 °F
August 87.8 °F
June 86.5 °F
Warmest sea temperature:
July 87.1 °F
August 87.0 °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 4 days
September 3 days
The most windy months:
March 10 mph
February 10 mph
April 9 mph

North Myrtle Beach on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
North Myrtle Beach
Local time: 15:53
05 aug, wednesday
1800 88°F
N
9 mph
2100 82°F
N
7 mph
06 aug, thursday
0000 82°F
N
7 mph
0300 82°F
N
6 mph
0600 82°F
N
7 mph
0900 84°F
N
7 mph
1200 90°F
N
8 mph
1500 90°F
N
9 mph