Measurements:
°C
°F
North Myrtle Beach
88°F
NE 15 mph
Feels like: 92°F
Precip: 19%
World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in August: 90.2°F
Minimum Sea Water Temperature in August: 83.6°F
Average water temperature in August: 87.1°F

Sea Water Temperature for the Last 10 Days:

August 25 87.2°F August 20 88.6°F
August 24 87.4°F August 19 88.8°F
August 23 88.8°F August 18 88.4°F
August 22 89.4°F August 17 86.6°F
August 21 89.6°F August 16 86.4°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 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: 2026 2025 2024

The average sea surface temperature in August 2026 for North Myrtle Beach was 88.0°F. The maximum and minimum values were 86.4°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 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 87.1 °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 +80
Chicago +82
Hawaii +84
Houston +108
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
North Myrtle Beach
Local time: 17:26
25 aug, tuesday
1800 88°F
NE
15 mph
2100 84°F
W
6 mph
26 aug, wednesday
0000 82°F
NW
6 mph
0300 78°F
SE
4 mph
0600 78°F
S
4 mph
0900 82°F
SW
4 mph
1200 88°F
NW
4 mph
1500 90°F
N
7 mph