Measurements:
°C
°F
North Myrtle Beach
72°F
SW 9 mph
Feels like: 72°F
Precip: 25%
World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Water Temperature

Current Sea Water Temperature:
+81.6°F
Maximum Sea Water Temperature in October: 83.2°F
Minimum Sea Water Temperature in October: 66.8°F
Average water temperature in October: 75.5°F

Sea Water Temperature for the Last 10 Days:

October 05 81.6°F September 30 80.2°F
October 04 81.8°F September 29 80.0°F
October 03 81.8°F September 28 80.4°F
October 02 81.2°F September 27 81.2°F
October 01 80.4°F September 26 81.8°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 87.7°F. The maximum and minimum values were 86.0°F and 89.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for North Myrtle Beach was 85.7°F. The maximum and minimum values were 80.0°F and 89.0°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 88.2 °F
June 86.5 °F
Warmest sea temperature:
July 87.1 °F
August 87.1 °F
September 84.0 °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
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
North Myrtle Beach
Local time: 19:51
05 oct, monday
2100 72°F
SW
9 mph
06 oct, tuesday
0000 72°F
SW
12 mph
0300 72°F
SW
13 mph
0600 68°F
SW
12 mph
0900 70°F
SW
14 mph
1200 78°F
SW
16 mph
1500 78°F
W
17 mph
1800 76°F
W
16 mph